1. Y. Adachi, M. Sakabe, T. Nomura, J. Ohshita; Conjugated polymers with thiophene-fused thiaborin units and their strong intermolecular interactions; Polym. J., in press.

2. D. Zhang, M. Kanezashi, T. Tsuru, K. Yamamoto, T. Gunji, Y. Adachi, J. Ohshita; Preparation of thermally stable 3-glycidyloxypropyl-POSS-derived polysilsesquioxane RO membranes for water desalination; J. Membr. Sci., 2023, 668, 121213.

3. Kajimura, K. Horata, Y. Adachi, M. Kanezashi, T. Tsuru, J. Ohshita; Preparation of Urea- and Isocyanurate-Containing Polysilsesquioxane Membranes for CO2 Separation; J. Sol-Gel Sci. Technol., in press.

4. K. Yamamoto, I. Saito, Y. Amaike, T. Nakaya, J.Ohshita, T. Gunji; Gel structure and water desalination properties of divinylpyrazine-bridged polysilsesquioxanes; J. Sol-Gel Sci. Technol., in press.

5. T. Hamada, S. Takase, A. Tanaka, K. Okada, S. Mineoi, A. Uedono, J. Ohshita; Double-Decker Silsesquioxane-Grafted Polysilsesquioxane Hybrid Films as Thermal Insulation Materials; ACS Appl. Polym. Mater., 2023, 5, 743-750.

6. T. Hamada, T. Maeda, K. Kawashima, T. Sugimoto, A. Tanaka, Y. Tanaka, D. Katsura, S. Mineoi, Y. Kaneko, J. Ohshita; Effect of the Amine Hydrochloride Salt on the Antifogging Properties of Amino-Functionalized Polysilsesquioxane; ACS Appl. Polym. Mater., in press.

7. S. Takase, T. Hamada, K. Okada, S. Mineoi, J. Ohshita; Polysilsesquioxane-containing Thermally Degradable Groups for Potential Application as Thermal Insulation Materials; ACS Appl. Polym. Mater., in press.


1. J. Ohshita, A. Ohta, S. Z. B. Saadom, Y. Adachi, H. Murakami, T. Haino; Synthesis and optical properties of disiloxane-linked decathiophene and dodecathiophene polymers; Polym. J., 2022, 54, 91-96.

2. Y. Adachi, K. Kondo, X. Yin, F. Jäkle, J. Ohshita; m-Phenylene Linked Macrocycle Composed of Electron-Rich Dithienogermole and Electron-Deficient Tricoordinate Boron Units; Polymer, 2022, 239, 124404.

3. D. Zhang, M. Kanezashi, T. Tsuru, K. Yamamoto, T. Gunji, Y. Adachi, J. Ohshita; Development of PSQ-RO membranes with high water permeability by copolymerization of bis[3-(triethoxysilyl)propyl]amine and triethoxy(3-glycidyloxypropyl)silane; J. Membr. Sci., 2022, 644, 120162.

4. J. Ohshita, T. Okonogi, K. Kajimura, K. Horata, Y. Adachi, M. Kanezashi, T. Tsuru; Preparation of amine- and ammonium-containing polysilsesquioxane membranes for CO2 separation; Polymer J., 2022, 54, 875-882.

5. T. Hamada, T. Goto, S. Takase, K. Okada, A. Uedono, J. Ohshita; Structure–Thermal Property Relationships of Polysilsesquioxanes for Thermal Insulation Materials; ACS Appl. Polym. Mater., 2022, 4, 2851–2859.

2022 April ~

6. K. Yamamoto, T. Shimoda、Y. Sato, T. Nakaya, J. Ohshita, T. Gunji; Preparation and film properties of polysiloxanes consisting of di and quadra-functional hybrid units; J. Sol. Gel. Sci. Tech., 2022, 104, 724-734.

7. T. Hamada, T. Sugimoto, T. Maeda, D. Katsura, S. Mineoi, J. Ohshita; Robust and Transparent Antifogging Polysilsesquioxane Film Containing a Hydroxy Group; Langmuir, 2022, 38, 5829-5837.

8. W. Sun, Y. Adachi, J. Ohshita; Synthesis of thiazole-condensed germoles with enhanced electron-deficient properties; Dyes and Pigments, 2022, 203, 110333.

9. S. Takase, T. Hamada, K. Okada, S. Mineoi, A. Uedono, J. Ohshita; Organic-Inorganic Hybrid Thermal Insulator Materials Prepared via the Hydrosilylation Reaction of Polysilsesquioxane Having Hydrosilyl Group with Triallylisocyanurate; ACS Appl. Polym. Mater., 2022, 4, 3726-3733.

10. Y. Adachi, K. Yamada, J. Ohshita; Synthesis and Optical Properties of Anthryl-Substituted Tetracyclic Borepins; Chem. Lett., 2022, 51, 654-657.

11. D. Zhang, M. Kanezashi, T. Tsuru, K. Yamamoto, T. Gunji, Y. Adachi, J. Ohshita; Development of Highly Water Permeable Robust PSQ-based RO Membranes by Introducing Hydroxyethylurea-based Hydrophilic Water Channels; ACS Appl. Mater. Interfaces, 2022, 14, 21426–21435.

12. Y. Adachi, F. Arai, K. Yamada, M. Kurihara, J. Ohshita; Optical Properties of Boron-Incorporated Analogues of Tetrathienoanthracene; Organometallics, 2022, 41, 1225–1231.

13. D. Zhang, M. Kanezashi, T. Tsuru, K. Yamamoto, T. Gunji, Y. Adachi, J. Ohshita; Development of robust and high-performance polysilsesquioxane reverse osmosis membranes modified by SiO2 nanoparticles for water desalination; Sep. Purif. Technol., 2022, 296, 121421.

14. 大下浄治,張 典;有機ー無機ハイブリッドシリカ分離膜の合成と高性能化;NEW GLASS, 2022, 37, 15-18.

15. M. Sakai, J. Arakawa, H. Akebono, A. Sugeta, J. Ohshita, H. Tanizawa, K. Shimizu, J. Ogawa; Effect of fiber orientation on the fatigue crack initiation and propagation of glass fiber reinforced plastics; J. Appl. Polym. Sci., 2022, e53088.

16. T. Maeda, T. Sugimoto, T. Hamada, D. Katsura, S. Mineoi, J. Ohshita; Highly Durable Antifogging Materials Based on Polysilsesquioxane with Double Hydrophilic Groups: Effect of Bridged-Tetraethylene Glycol Chain in Polysilsesquioxane Film; ACS Appl. Polym. Mater., 2022, 4, 7599-7606.


1. Y. Adachi, T. Nabeya, K. Kawakami, K. Yamaji, F. Jäkle, J. Ohshita;Optical Characteristics of Hybrid Macrocycles with Dithienogermole and Tricoordinate Boron Units; Chem. Eur. J., 2021, 27, 3306-3314 (Selected as a Hot Paper for Frontispiece).

2. J. Ohshita, K. Kondo, Y. Adachi, M. Song, S.-H. Jin;Synthesis of Spirodithienogermole with Triphenylamine Units as a Dopant-Free Hole-Transporting Material for Perovskite Solar Cells; J. Mater. Chem. C, 2021, 9, 2001-2007.

3. Y. Adachi, T. Nomura, S. Tazuhara, H. Naito, J. Ohshita;Thiophene-based twisted bistricyclic aromatic ene with tricoordinate boron: a new n-type semiconductor; Chem. Commun., 2021, 57, 1316-1319 (Back Cover).
DOI: 10.1039/d0cc07952a

4. T. Hamada, Y. Nakanishi, K. Okada, J. Ohshita; Crack- and Shrinkage-Free Ethylene-Bridged Polysilsesquioxane Film Prepared by Hydrosilylation Reaction; ACS Omega, 2021, 6, 8430–8437.
DOI: 10.1021/acsomega.1c00183

2021 April ~

5. T. Maeda, T. Hamada, S. Tsukada, D.Katsura, K. Okada, J. Ohshita; Antifogging Hybrid Materials Based on Amino-functionalized Polysilsesquioxane; ACS Applied Polymer Materials, 2021, 3, 2568-2575.
DOI: 10.1021/acsapm.1c00155

6. Y. Adachi, F. Arai, M. Sakabe, J. Ohshita; Effect of conjugation pathway on electronic structures in p-π* conjugated polymers with fused borepin units; Polymer Chemistry, 2021, 12, 3471-3477.

7. T. Hamada, Y. Nakanishi, K. Okada, S. Tsukada, A. Uedono, J. Ohshita; Thermal Insulating Property of Silsesquioxane Hybrid Film Induced by Intramolecular Void Spaces; ACS Applied Polymer Materials, 2021, 3, 3383-3391.

8. D. Zhang, M. Kanezashi, T. Tsuru, K. Yamamoto, R. Yakuwa, T. Gunji, Y. Adachi, J. Ohshita; Preparation of polysilsesquioxane reverse osmosis membranes for water desalination from tris[(ethoxysilyl)alkyl]amines by sol-gel process and interfacial polymerization; Appl. Organomet. Chem., 2021, e6374.

9. S. Tsukada, Y. Nakanishi, T. Hamada, K. Okada, S. Mineoi, J. Ohshita; Ethylene-Bridged Polysilsesquioxane/Hollow Silica Particles Hybrid Film for Thermal Insulation Material; RSC Adv., 2021, 11, 24968-24975.
DOI: 10.1039/d1ra04301c

10. J. Yadav, A. Dolas, E. Iype, K. Rangan, J. Ohshita, D. Kumar, I. Kumar; Asymmetric Synthesis of Bridged N-Heterocycles with Tertiary Carbon Center through Barbas Dienamine-Catalysis: Scope and Applications; J. Org. Chem., 2021, 86, 17213–17225.
DOI: 10.1021/acs.joc.1c02295


1. C. Yan, R. Shang, M. Nakamoto, Y. Yamamoto, Y. Adachi; The Substituent Effect of Bridged Triarylamine Helicenes on Light-emitting and Charge Transfer Properties; Chem. Lett., 2020, 49, 457–460.

2. S. Tanaka, T. Enoki, H. Imoto, Y. Ooyama, J. Ohshita, T. Kato, K. Naka; Highly Efficient Singlet Oxygen Generation and High Oxidation Resistance Enhanced by Arsole-Polymer-Based Photosensitizer: Application as a Recyclable Photooxidation Catalyst; MACROMOLECULES, 2020, 53 2006-2013.
DOI: 10.1021/acs.macromol.9b02620

2020 April ~

3. A. Naka, S. Takase, H. Komuro, K. Uemura, M. Yoshioka, H. Kobayashi, J. Ohshita, Y. Adachi, M. Ishikawa; Synthesis and optical properties of compounds via platinum-catalyzed hydrosilylation of triethynyltriazine and silyl-substituted oligothiophenes; J. Organomet. Chem., 2020, 917, 121275.

4. J. Ohshita, K. Yamaji, Y. Adachi; Synthesis of spiro(dipyridinogermole)(dithienogermole)-copper complexes; J. Organomet. Chem., 2020, 921, 121297.

5. Y. Adachi, F. Arai, F. Jäkle; Extended conjugated borenium dimers via late stage functionalization of air-stable borepinium ions; Chem Commun., 2020, 56, 5119–5122 (Back Cover).
DOI: 10.1039/D0CC02514C

6. M. Guo, M. Kanezashi, H. Nagasawa, L. Yu, Y. Yamamoto, T. Gunji, J. Ohshita, T. Tsuru; Pore subnano-environment engineering of organosilica membranes for highly selective propylene/propane separation; J. Membr. Sci., 2020, 603, 117999.
DOI: 10.1016/j.memsci.2020.117999

7. C. Yan, M. Takeshita, J. Nakatsuji, A. Kurosaki, K. Sato, R. Shang, M. Nakamoto, Y. Yamamoto, Y. Adachi, K. Furukawa, R. Kishi, M. Nakano; Synthesis and properties of hypervalent electron-rich pentacoordinate nitrogen compounds; Chem. Sci., 2020, 11, 50825088.
DOI: 10.1039/D0SC00002G

8. T. Imagawa, M. Nakamoto, R. Shang, Y. Adachi, J. Ohshita, N. Tsunoji, Y. Yamamoto; Complexation of B(C6F5)3 and 9,10-Dicyanoanthracene: Dual Role of Borane as Spatial and Electronic Tuner; Chem. Lett., 2020, 49, 1022-1025.
DOI: 10.1246/cl.200339

9. K. Yamamoto, I. Saito, Y. Amaike, T. Nakaya, J. Ohshita, T. Gunji; Preparation and water desalination properties of bridged polysilsesquioxane membranes with divinylbenzene and divinylpyridine unit; Polymer J., 2020, 52, 1367-1374.
DOI: 10.1038/s41428-020-0386-x

10. J. Ohshita, Y. Matsuzawa, T. Yagami, Y. Adachi, A. Sekiguchi, M. Ohashi, H. Nakano; Photo-Energy Transfer in σ-π Conjugated Polysilanes Prepared by Platinum-Catalyzed Reactions of Arylacetylenes with Layered Polysilane; Chem. Lett., 2020, 49, 1174-1177.
DOI: 10.1246/cl.200338

11. J. Ohshita, Y. Tanaka, K. Yamamoto, H. Kadowaki, M. Nakashima, Y. Adachi, M. Ohashi, H. Nakano;Optical Properties of Silicon Nanosheets Modified with Triphenylamine and Quinoline Units. Charge and Energy Transfer from Conjugated Substituents to Catenated Silicon Backbone; J. Phys. Chem. C, 2020, 124, 17347-17351.
DOI: 10.1021/acs.jpcc.0c04478

12. T. Ishimoto, S. Tsukada, S. Wakitani, K. Sato, D. Saito, Y. Nakanishi, S. Takase, T. Hamada, J. Ohshita, H. Kai; Model-based research toward design of innovative materials: Molecular weight prediction of bridged polysilsesquioxanes; RSC Adv.,2020, 10, 28595-28602.
DOI: 10.1039/d0ra02909b

13. J. Ohshita, K. Yamaji, Y. Adachi;Crystal Structures and Phosphorescent Properties of Group 14 Dipyridinometalloles and Their Copper Complexes; ChemPlusChem, 2020, 85, 1912-1918.
DOI: 10.1002/cplu.202000418

14. G.Dong, H. Nagasawa, L. Yu, Q. Wang, K. Yamamoto, J. Ohshita, M. Kanezashi, T. Tsuru;Pervaporation removal of methanol from methanol/organic azeotropes using organosilica membranes: Experimental and modeling;J. Membr. Sci., 2020, 610, 118284.

15. M. Guo, M. Kanezashi, H. Nagasawa, L. Yu, J. Ohshita, T. Tsuru;
Amino-decorated organosilica membranes for highly permeable CO2 capture;J. Membr. Sci., 2020, 611, 118328.

16. J. Yadav, A. P. Pawar, Y. Nagare, E. Iype, K. Rangan, J. Ohshita, D. Kumar, I. Kumar;Direct Amine Catalyzed Enantioselective Synthesis of Pentacyclic Dibenzo [b,f][1,4]oxazepine/thiazepine-Fused Isoquinuclidines along with DFT-Calculations; J. Org. Chem.,2020, 85, 21, 14094–14108.
DOI: 10.1021/acs.joc.0c02141


1.H. Arase, K. Taniguchi, T. Kai, K. Murakami, Y. Adachi, Y. Ooyama, Y. Kunugi, J. Ohshita; Hydrophobic Modification of SiO2 Surface by Aminosilane Derivatives; Composite Interfaces, 2019, 26 (1), 15-25.

2.H. Arase, T. Kai, S. Taniguchi, Y. Adachi, Y. Ooyama, T. Mori, M. Yanase, S. Hayakawa, Y. Kunugi, J. Ohshita; Hydrophobic modification of SiO2 surface with disilanobiphenyl and disilanobithiophene and the application to pentacene-based organic transistors; Composite Interfaces, 2019, 26, 221-231.

3.J. H. Song, T. Nabeya, Y. Adachi, Y. Ooyama, J. Ohshita; Preparation and reactions of 4,4-dilithiodithienogermole; J. Organomet. Chem., 2019, 883, 47-51.

4.Y. Adachi, T. Nomura, J. Ohshita; Intramolecular Energy Transfer in Dithienogermole Derivatives;Chem.Eur. J., 2019, 25, 4974-4983.
DOI: 10.1002/chem.201900670

5.安達洋平,大下浄治;元素架橋によるπ電子系の物性制御と元素ブロック材料への展開 ; 日本画像学会誌,2019,58 (1),100-110.

6.J. Ohshita, K. Yamaji, Y. Ooyama, Y. Adachi, M. Nakamura, S. Watase; Synthesis, Properties, and Complex Formation of Antimony- and Bismuth-Bridged Bipyridyls; Organometallics, 2019, 38(7), 1516-1523.
DOI: 10.1021/acs.organomet.8b00945

7.J. Ohshita, M. Sugino, Y. Ooyama, Y. Adachi; Synthesis of Pyridinothienogermoles as Unsymmetrically Condensed Germoles; Organometallics, 2019, 38(7), 1606-1613.

8. S.Zhang, R. Shang, M. Nakamoto, Y. Yamamoto,Y. Adachi,J. Ohshita; Luminescent Di- and Tetranuclear Gold Complexes of Bis(diphenylphosphinyl)-Functionalized Dipyrido-annulated N-heterocyclic Carbene; Inorg. Chem.,2019, 58, 6328-6335.

9. H. Nakano, Y. Tanaka, K. Yamamoto, H. Kadowaki, M. Nakashima, T. Matsui, S. Shirai, M. Ohashi, J. Ohshita; Silicanes Modified by Conjugated Substituents for Optoelectronic Devices; Advanced Optical Materials, 2019, 7(18), 1900696.

10.M. Guo, M. Kanezashi, H. Nagasawa, L. Yu, K. Yamamoto, T. Gunji, J. Ohshita, T. Tsuru; Tailoring the microstructure and permeation properties of bridged organosilica membranes via control of the bond angles; J. Membr. Sci., 2019, 584, 56-65.

11.K. Yamamoto, J. Ohshita;Bridged polysilsesquioxane membranes for water desalination; Polym. J., 2019, 51(11), 1103-1116 (invited review).

12.D. Zhang, J. Ohshita; Preparation of robust RO membrane for water desalination by interfacial copolymerization of bis[(triethoxysilyl)propyl]amine and bis(triethoxysilyl)ethane ; Polym. J., 2019, 51(11), 1231-1234.

13.J. Ohshita, T. Kai, Y. Adachi, K. Yamaji, M. Nakamura, S. Watase, S. Mori,N. Matsuyama; Synthesis of non-planar bipyridyls bridged by disilane and disiloxane and their phosphorescent copper complexes; Appl. Organomet. Chem., 2019, e5306.

14.S. Tsukada, Y. Nakanishi, H. Kai, T. Ishimoto, K. Okada, Y. Adachi, I. Imae, J. Ohshita; NIR-shielding films based on PEDOT-PSS/polysiloxane and polysilsesquioxane hybrid; J. Appl. Polym. Sci., 2019, 137, 48367.
DOI: 10.1002/app.48367

15.S. Zhang, R. Shang, M. Nakamoto, Y. Yamamoto, Y. Adachi, J. Ohshita; Bis(diphenylphosphinyl)-functionalized dipyrido-annulated NHC towards copper(I) and silver(I), Dalton Trans., 2019, 48(32), 12250-12256.


16. A. Naka, S. Takase, J. Ohshita, Y. Adachi, M. Ishikawa;Synthesis and optical properties of polymers with bithiophene condensed with disilacyclohexadiene rings and benzothiadiazole; J. Organomet. Chem.,2019, 900, 120939.

17.K. Hirano, T. Ikeda, N.Fujii, T. Hirao, M. Nakamura, Y. Adachi, J. Ohshita, T. Haino; Helical assembly of a dithienogermole exhibiting switchable circularly polarized luminescence;Chem. Commun.,2019, 55, 10607-10610.

DOI: 10.1039/c9cc05253d

18.Y. Adachi , T. Nabeya , T. Nomura , K. Kondo , K. Kawakami , Y. Ooyama and J. Ohshita; Direct comparison of dithienosilole and dithienogermole as p-conjugated linkers in photosensitizers for dye-sensitized solar cells; Dalton Trans.,2019, 48, 16671 - 16678.

DOI: 10.1039/C9DT02600B


1.F.-T. Zheng, K. Yamamoto, M. Kanezashi, T. Tsuru, J. Ohshita;Preparation of bridged silica RO membranes from copolymerization of bis(triethoxysilyl)ethene/(hydroxymethyl)triethoxysilane. Effects of ethenylene-bridge enhancing water permeability;J. Membr. Sci., 2018, 546, 173-178.

2. Y. Adachi, D. Tanaka, Y. Ooyama, J. Ohshita;Modification of TiO2 Surface by Disilanylene Polymers and Application to Dye-Sensitized Solar Cells;Inorganics, 2018, 6, 3 (invited review)(one of the journal's most highly accessed).

3. Y. Adachi, Y. Ooyama, Y. Ren, X. Yin, F. Jäkle, J. Ohshita; Hybrid conjugated polymers with alternating dithienosilole or dithienogermole and tricoordinate boron units; Polym. Chem., 2018, 9, 291-299. (Inside Front Cover)

4.F.-T. Zheng, T. Kai, Z. Lu, K. Yamamoto, J. Ohshita; Preparation of polydimethylsiloxane with amino end group via Pd-catalyzed dehydrogenative coupling of terminal hydrosilyl unit and amine;J. Organomet. Chem., 2018, 860, 9-13.

5.Y. Adachi, J. Ohshita; Synthesis and Properties of Benzo[d]dithieno[b,f]borepins; Organometallics, 2018, 37, 869–881.

6.F. Taba, A. Onoda, U. Hasegawa, T. Enoki, Y. Ooyama, J. Ohshita, T. Hayashi; Mitochondria-Targeting Polyamine-Protoporphyrin Conjugates for Photodynamic Therapy; ChemMedChem, 2018, 13 (1), 15-19.

7. 安達洋平,大下浄治;π電子系元素ブロック高分子材料の創出;化学と工業,2018,71,323-325.

8. 大下浄治;耐熱性ケイ素ポリマーの創出とその特異性;工業材料,2018,66,34-37.

9. Y. Adachi, J. Ohshita; Germanium and tin in conjugated organic materials; in “Main group strategies towards functional hybrid materials” (eds T. Baumgartner, F. Jaekle), Wiley (2018).

10.K. Yamamoto, H. Muragishi, T. Mizumo, T. Gunji, M. Kazezashi, T. Tsuru, J. Ohshita; Diethylenedioxane-bridged microporous organosilica membrane for gas and water separation; Sep. Pur. Tech., 2018, 207, 370-376.
doi: 10.1016/j.seppur.2018.06.036

11. J. Ohshita, Y. Hayashi, Y. Adachi, T. Enoki, K. Yamaji, Y. Ooyama; Optical and Photosensitizing Properties of Spiro(dipyridinogermole)(dithienogermole)s with Eletron-Donating Amino and Electron-Withdrawing Pyridinothiadiazole Substituents; ChemSelect, 2018, 3, 8604-8609.
doi: 10.1002/slct.201801031

12. F.-T. Zheng, K. Yamamoto, M. Kanezashi, T. Gunji, T. Tsuru, J. Ohshita; Preparation of Hybrid Organosilica Reverse Osmosis Membranes by Interfacial Polymerization of Bis[(trialkoxysilyl)propyl]amine, Chem. Lett., 2018, 47, 1210-1212.

13. 大下浄治;高耐熱性有機ケイ素ポリマー;耐熱樹脂,技術情報協会,2018

14.T. Enoki, J. Ohshita, Y. Ooyama, Synthesis and Photophysical and Electrochemical Properties of Structural Isomers of Pyrazine-Based D-π-A-π-D Fluorescent Dyes, Bull. Chem. Soc. Jpn; 2018, 91, 1704-1709.

15.Y. Ooyama, R. Sagisaka, T. Enoki, N. Tsunoji, J. Ohshita; Tetraphenylethene- and diphenyldibenzofulvene-anthracene- based fluorescence sensors possessing photo-induced electron transfer and aggregation-induced emission enhancement characteristics for detection of water; New J. Chem., 2018, 42, 13339-13350.


1.T. Mizumo, M. Nakashima, J. Ohshita; Oligosiloxanes with Silatrane Moieties for Use in Lithium-ion Conductive Matrices; Silicon, 2017, 9 (1), 85-96.
doi: 10.1007/s12633-014-9187-1

2. K. Yamamoto, S. Koge, T. Gunji, M. Kanezashi, T. Tsuru, J. Ohshita; Preparation of POSS-derived robust RO membranes for water desalination; Desalination, 2017, 404, 322-327.
doi: 10.1016/j.desal.2016.11.017

3. Y. Adachi, Y. Ooyama, N. Shibayama, J. Ohshita; Dithienogermole-containing D-π-A-π-A Photosensitizers for Dye-sensitized Solar Cells; Chem. Lett., 2017, 46, 310-312.
doi: 10.1246/cl.161034

4. M. Nakamura, K. Shigeoka, Y. Adachi, Y. Ooyama, S. Watase, J. Ohshita; Preparation of Dithienogermole-containing Polysilsesquioxane Films for Sensing Nitroaromatics; Chem. Lett., 2017, 46, 438-441.
doi: 10.1246/cl.161119

5. K. Yamamoto, J. Ohshita, T. Mizumo, M. Kanezashi, T. Tsuru; Synthesis of organically bridged trialkoxysilanes bearing acetoxymethyl groups and applications to reverse osmosis membranes; Appl. Organomet. Chem., 2017, 31, e3580.
doi: 10.1002/aoc.3580

6. L. Yu, M. Kanezashi, H. Nagasawa, J. Oshita, A. Naka, T. Tsuru; Pyrimidine-bridged organoalkoxysilane membrane for high-efficiency CO2 transport via mild affinity; Separation and Purification Technology, 2017, 178, 232–241.
doi: 10.1016/j.seppur.2017.01.039

7. J. Ohshita, Y. Adachi, R. Sagisaka, M. Nakashima, Y. Ooyama, Y. Kunugi; Synthesis of dithienogermole-containing Polythiophenes; Syn. Met., 2017, 227, 87-92.
doi: 10.1016/j.synthmet.2017.03.009

8. K. Yamamoto, M. Kanezashi, T. Tsuru, J. Ohshita; Preparation of bridged polysilsesquioxane-based membranes containing 1,2,3-triazole moieties for water desalination; Polym J., 2017, 49, 401-406.
doi: 10.1038/pj.2016.128

9. F.-B. Zhang, Y. Ooyama, J. Ohshita; Synthesis of (Benzofurano)(benzothieno)germole; Chem. Select, 2017, 2, 3106-3109.
doi: 10.1002/slct.201700597

10. J. Ohshita, T. Tsuchida, K. Komaguchi, K. Yamamoto, A. Adachi, Y. Ooyama, Y. Harima, K. Tanaka; Studies on Spherically Distributed LUMO and Electron-Accepting Properties of Caged Hexakis(germasesquioxane)s; Organometallics, 2017, 36, 2536-2540.
doi: 10.1021/acs.organomet.6b00950

11.M. Tanabe, T. Hagio, K. Osakada, M. Nakamura, Y. Hayashi, J. Ohshita; Synthesis of 4,4-Dihydrodithienosilole and Its Unexpected Cyclodimerization Catalyzed by Ni and Pt Complexes; Organometallics, 2017, 36, 1974-1980.

12.L. Yu, M. Kanezashi, H. Nagasawa, J. Ohshita, A. Naka, T. Tsuru; Fabrication and Microstructure Tuning of a Pyrimidine-Bridged Organoalkoxysilane Membrane for CO2 Separation; Ind. Eng. Chem. Res., 2017, 56, 1316–1326.
doi: 10.1021/acs.iecr.6b04460

13.K. Yamamoto, S. Koge, K. Sasahara, T. Mizumo, Y. Kaneko, M. Kanezashi, T. Tsuru, J. Ohshita; Preparation of bridged polysilsesquioxane membranes from bis[3-(triethoxysilyl)propyl]amine for water desalination; Bull. Chem. Soc. Jpn, 2017, 90, 1035-1040.

14. Y. Ooyama, M. Sugino, T. Enoki, K. Yamamoto, N. Tsunoji, J. Ohshita;
Aggregation-induced emission (AIE) characteristic of water-soluble tetraphenylethene (TPE) bearing four sulfonate salts;New J. Chem., 2017, 41, 12, 4747-4749.

15. A. Harada, K. Shikinaka, J. Ohshita, Y. Kaneko;Preparation of a one-dimensional soluble polysilsesquioxane containing phosphonic acid side-chain groups and its thermal and proton-conduction properties; Polymer, 2017, 121, 228-233.

16. Y. Ooyama, R. Nomura, T. Enoki, R. Sagisaka, N. Tsunoji, J. Ohshita;Development of a Dual-Fluorescence Emission Sensor Based on Photo-Induced Electron Transfer and Aggregation-Induced Emission Enhancement for Detection of Water;Chem. Select, 2017, 2, 26, 7765-7770.

17. Y. Ooyama, T. Enoki, S. Aoyama, J. Ohshita;Synthesis and optical and electrochemical properties of a phenanthrodithiophene (fused-bibenzo[c]thiophene) derivative;Org. Bio. Chem., 2017, 15, 35, 7302-7307.

18. A. Naka, A. Okamoto, M. Noguchi, T. Enoki, J. Ohshia, Y. Ooyama, M. Ishikawa;Preparation of branched molecules by regioselective hydrosilation of tetrakis(ethynyldimethylsilyl)silanes and some of their properties;J. Organomet. Chem., 2017, 846, 360-366.

19. M. Kanezashi, Y. Yoneda, H. Nagasawa, T. Tsuru, K. Yamamoto, J. Ohshita;Gas permeation properties for organosilica membranes with different Si/C ratios and evaluation of microporous structures;AICHE J., 2017, 63, 10, 4491-4498.

20.J. Ohshita, Y. Matsumura, T. Nakayama, H. Yoshida, A. Kunai, Y. Hisaeda, T. Hayashi;meso-Tetraaryl(porphyrinato)cobalt(III)-Catalyzed Oxygenation of Disilanes under Aerobic Conditions;Chem. Lett., 2017, 46, 1807-1809.

21.Y. Ooyama, M. Sugino, J. Ohshita;Expression of fluorescence properties by self-PET (photo-induced electron transfer) suppression both in solution and in the solid state;New J. Chem., 2017,41, 13215-13218.
doi: 10.1039/c7nj02930f

22.Y. Ooyama, K. Yamaji, J. Ohshita;Photovoltaic performances of type-II dye-sensitized solar cells based on catechol dye sensitizers: retardation of back-electron transfer by PET (photo-induced electron transfer); Mater. Chem. Front., 2017,1, 2243-2255.
doi: 10.1039/c7qm00211d

23.T. Enoki, K. Matsuo, J. Ohshita, Y. Ooyama;Synthesis and optical and electrochemical properties of julolidine-structured pyrido[3,4-b]indole dye;Phys. Chem. Chem. Phys., 2017,19, 3565-3574.
doi: 10.1039/c6cp08573c

24.T. Hirohara, T. Kai, J. Ohshita, Y. Kaneko;Preparation of protic ionic liquids containing cyclic oligosiloxane frameworks;RSC Adv., 2017,7, 10575-10582.
doi: 10.1039/c7ra00656j

25.Y. Ooyama, M. Kanda, T. Enoki, Y. Adachi, J. Ohshita;Synthesis, optical and electrochemical properties, and photovoltaic performance of a panchromatic and near-infrared (D)(2-pi-A) type BODIPY dye with pyridyl group or cyanoacrylic acid;RSC Adv., 2017,7, 13072-13081.
doi: 10.1039/c7ra00799j

26.Y. Ooyama, T. Enoki, J. Ohshita, T. Kamimura, S. Ozako, T. Koide, F. Tani;Singlet oxygen generation properties of an inclusion complex of cyclic free-base porphyrin dimer and fullerene C-60;RSC Adv., 2017,7, 18690-18695.
doi: 10.1039/c7ra02699d


1. X.-L.Zhang, H. Yamada, T. Saito, T. Kai, K. Murakami, M. Nakashima, J. Ohshita, K. Akamatsu, S. Nakao; Development of hydrogen-selective triphenylmethoxysilane-derived silica membranes with tailored pore size by chemical vapor deposition; J. Membrane Sci. 2016, 499, 28-35.
doi: 10.1016/j.memsci.2015.09.025

2. K. Murakami, Y. Ooyama, H. Higashimura, J. Ohshita; Synthesis, Properties, and Polymerization of Spiro[(dipyridinogermole)(dithienogermole)]; Organometallics, 2016, 35, 20-26.
DOI: 10.1021/acs.organomet.5b00817

3. Y. Ooyama, T. Enoki, J. Ohshita; Development of D-π-A pyrazinium photosensitizer possessing singlet oxygen generation; RSC Adv., 2016, 6, 5428-5435.
DOI: 10.1039/C5RA26647E

4. K. Takagi, K. Yamauchi, S. Kubota, S. Nagano, M. Hara, T. Seki, K. Murakami, Y. Ooyama, J. Ohshita, M. Kondo, H. Masu; Fused π-conjugated imidazolium liquid crystals: synthesis, self-organization, and fluorescent properties ; RSC Adv., 2016, 6, 9152-9159.
DOI: 10.1039/C5RA25496E

5. K. Murakami, Y. Ooyama, S. Watase, K. Matsukawa, S. Omagari, T. Nakanishi, Y. Hasegawa, K. Inumaru, J. Ohshita; Synthesis of Dipyridinogermole-Copper Complex as Soluble Phosphorescent Material; Chem. Lett., 2016, 45, 502-504.
DOI: 10.1246/cl.160036

6. M. Nakashima, N. Murata, Y. Suenaga, H. Naito, T. Sasaki, Y. Kunugi, J. Ohshita; Disilanobithiophene-dithienylbenzothiadiazole alternating polymer as donor material of bulk heterojunction polymer solar cells; Syn. Met., 2016, 215, 116-120.


7. M. Nakashima, Y. Ooyama, T. Sugiyama, H. Naito, J. Ohshita; Synthesis of a Conjugated D-A Polymer with Bi(disilanobithiophene) as a New Donor Component; Molecules, 2016, 21, 789.

8. J. Ohshita, K. Yamamoto, D. Tanaka, M. Nakashima, Y. Kunugi, M. Ohashi, H. Nakano; Preparation and Photocurrent Generation of Silicon Nanosheets with Aromatic Substituents on the Surface; J. Phys. Chem. C, 2016, 120, 10991-10996.

9. M. Nakashima, M. Miyazaki, Y. Ooyama, Y. Fujita, S. Murata, Y. Kunugi, J. Ohshita; Synthesis of silicon- or carbon-bridged polythiophenes and application to organic thin-film transistors; POLYMER JOURNAL, 2016, 48, 645-651.

10. M. Morisue, Y. Hoshino, M. Nakamura, T. Yumura, S. Machida, Y. Ooyama, M. Shimizu, J. Ohshita; Group 14 Dithienometallole-Linked Ethynylene-Conjugated Porphyrin Dimers; Inorg. Chem., 2016, 55, 7432–7441.

11. F. B. Zhang, Y. Adachi, Y. Ooyama, J. Ohshita; Synthesis and Properties of Benzofuran-Fused Silole and Germole Derivatives: Reversible Dimerization and Crystal Structures of Monomers and Dimers; Organometallics, 2016, 35, 2327–2332.

DOI: 10.1021/acs.organomet.6b00222

12. M. Nakamura, Y. Ooyama, S. Hayakawa, M. Nishino, J. Ohshita; Synthesis of Poly(dithienogermole)s; Organometallics, 2016, 35, 2333–2338.
DOI: 10.1021/acs.organomet.6b00263

13. M. Tanioka, S. Kamino, A. Muranaka, Y. Shirasaki, Y. Ooyama, M. Ueda, M. Uchiyama, S. Enomoto, D. Sawada; Water-Tunable Solvatochromic and Nanoaggregate Fluorescence: Dual Colour Visualisation and Quantification of Trace Water in Tetrahydrofuran; Phys. Chem. Chem. Phys., 2016,
DOI: 10.1039/C6CP06808A

14. Y. Ooyama, N. Yamaguchi, J. Ohshita, Y. Harima; Impacts of molecular structure and adsorption mode of D-π-A dye sensitizers with pyridyl group for dye-sensitized solar cells on adsorption equilibrium constant for dye-adsorption to TiO2 surface; Phys. Chem. Chem. Phys., 2016, 18, 32992-32998.
DOI: 10.1039/c6cp07386g

15. Y. Ooyama, K. Furue, T. Enoki, Y. Adachi, M. Kanda, J. Ohshita; Development of Type-I/Type-II hybrid dye sensitizer with both pyridyl group and catechol unit as anchoring group for Type-I/Type-II dye-sensitized solar cell; Phys. Chem. Chem. Phys., 2016, 18, 30662-30676.
DOI: 10.1039/c6cp06513a

16. Y. Harima, K. Kubota, Y. Ishiguro, Y. Ooyama, I. Imae; Electrical Characteristics of Pentacene Films on Cross-Linked Polymeric Insulators of Varying Thicknesses; ACS Omega, 2016, 1, 784-788.

17. Y. Ooyama, M. Hato, T. Enoki, S. Aoyama, K. Furue, N. Tsunoji, J. Ohshita; A BODIPY sensor for water based on photo-induced electron transfer method with fluorescence enhancement and attenuation systems; New J. Chem., 2016, 40, 7278-7281.

18. I. Imae, T. Koshima, K. Korai, Y. Ooyama, K. Komaguchi, Y. Harima; Enhanced photovoltaic performances of panchromatic EDOT-containing dye by introducing bulky dialkylfluorene units in donor moiety; Dyes Pigm., 2016, 132, 262-269.

19. Y. Ooyama, K. Uenaka, T. Kamimura, S. Ozako, M. Kanda, T. Koide, F. Tani; Dye-sensitized solar cell based on inclusion complex of cyclic porphyrin dimer bearing four 4-pyridyl groups and fullerene C60; RSC Adv., 2016, 6, 16150-16158.

20. J. Ohshita; Group 14 metalloles condensed with heteroaromatic systems; Org. Photonics Photovolt., 2016, 4, 52–59.

21. A. Naka, K. Fujishima, E. Okada, M. Noguchi, J. Ohshita, Y. Adachi, Y. Ooyama, M. Ishikawa; Synthesis of pentamethyldisilanyl-substituted starlike molecule with triazine core and its application to dye-sensitized solar cells; J. Organomet. Chem., 2016, 825, 63-68.

22. A. Harada, S. Koge, J. Ohshita, Y. Kaneko; Preparation of a Thermally Stable Room Temperature Ionic Liquid Containing Cage-Like Oligosilsesquioxane with Two Types of Side-Chain Groups; Bull. Soc. Chem., Jpn, 2016, 89 (9), 1129-1135.

23. Z. Lu, K. Murakami, S. Koge, T. Mizumo, J. Ohshita; Palladium-catalyzed dehydrogenative amination of polyhydrosiloxanes; J. Organomet. Chem., 2016, 808, 63-67.

24. J. Ohshita, Y. Hayashi, K. Murakami, T. Enoki, Y. Ooyama, Singlet oxygen generation sensitized by spiro(dipyridinogermole)(dithienogerrnole)s, Dalton Trans., 2016, 45 (39), 15679-15683.

25. Y. Adachi, Y. Ooyama, N. Shibayama, J. Ohshita; Synthesis of organic photosensitizers containing dithienogermole and thiadiazolo[3,4-c]pyridine units for dye-sensitized solar cells; Dalton Trans., 2016, 45 (35), 13817-13826.

26. 山本一樹,大下浄治;有機架橋型元素ブロックを用いたオルガノシリカ連続膜の作製とその分離能;セラミックス協会誌,2016, 51 (11), 770-772.

27.S. Nagaoka, T. Kakiuchi, J. Ohshita, O. Takahashi, Y. Hikosaka; Site-Specific Electron-Relaxation Caused by Si:2p Core-Level Photoionization: Comparison between F3SiCH2CH2Si(CH3)3 and Cl3SiCH2CH2Si(CH3)3 Vapors by Means of Photoelectron Auger Electron Coincidence Spectroscopy; J. Phys. Chem. A 2016, 120, 9907-9915.

28. Y. Ooyama, J. Ohshita;Development of D-pi-A Dye Sensitizers with Azine Ring and Their Photovoltaic Performances of Dye-Sensitized Solar Cells;JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN,2016, 74, 760-780.
DOI: 10.5059/yukigoseikyokaishi.74.760


1. Yamamoto, K; Ohshita, J; Mizumo, T; Tsuru, T; Efficient Synthesis of
SiOC Glasses from Ethane, Ethylene, and Acetylene-bridged Polysilsesquioxanes; J. Non-Cryst. Solids, 2015, 408, 137-141.
doi: 10.1016/j.jnoncrysol.2014.10.024

2. Ooyama, Y; Uenaka, K; Sato, T; Shibayama, N; Ohshita, J; Effective co-sensitization using D-pi-A dyes with a pyridyl group adsorbing at Bronsted acid sites and Lewis acid sites on a TiO2 surface for dye-sensitized solar cells; RSC ADVANCES, 2015, 5, 2531-2535.
doi: 10.1039/C4RA14190C

3. Ohshita, J; Miyazaki, M; Nakashima, M; Tanaka, D; Ooyama, Y; Sasaki, T; Kunugi, Y; Morihara, Y; Synthesis of conjugated D-A polymers bearing bi(dithienogermole) as a new donor component and their applications to polymer solar cells and transistors; RSC ADVANCES, 2015, 5, 12686-12691.
doi: 10.1039/C4RA16749J

4. Ishii, T; Enoki, T; Mizumo, T; Ohshita, J; Kaneko, Y; Preparation of imidazolium-type ionic liquids containing silsesquioxane frameworks and their thermal and ion-conductive properties; RSC ADVANCES, 2015, 5, 15226-15232.
doi: 10.1039/C4RA17113F

5. Ooyama, Y; Uenaka, K; Ohshita, J; Synthesis, optical, electrochemical and photovoltaic properties of a D-pi-A fluorescent dye with triazine ring as electron-withdrawing anchoring group for dye-sensitized solar cells; RSC ADVANCES, 2015, 5, 21012-21018.
doi: 10.1039/C4RA16399K

6. Tokunaga, T; Koge, S; Mizumo, T; Ohshita, J; Kaneko, Y; Facile preparation of a soluble polymer containing polyhedral oligomeric silsesquioxane units in its main chain; POLYMER CHEMISTRY, 2015, 6, 3039-3045.
doi: 10.1039/C5PY00192G

7. Ohshita, J; Adachi, Y; Tanaka, D; Nakashima, M; Ooyama, Y; Synthesis of D-A polymers with a disilanobithiophene donor and a pyridine or pyrazine acceptor and their applications to dyesensitized solar cells; RSC ADVANCES, 2015, 5, 36673-36679.
doi: 10.1039/C5RA01055A

8. Ohshita, J; Nakamura, M; Yamamoto, K; Watase, S; Matsukawa, K; Synthesis of dithienogermole-containing oligo- and polysilsesquioxanes as luminescent materials; DALTON TRANSACTIONS, 2015, 44, 8214-8220.
doi: 10.1039/C5DT00777A

9. Ohshita, J; Muragishi, H; Yamamoto, K; Mizumo, T; Kanezashi, M ; Tsuru, T; Preparation and separation properties of porous norbornane-bridged silica membrane;JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 2015, 73, 365-370. doi: 10.1007/s10971-014-3542-y

10. Ooyama, Y; Uenaka, K; Kanda, M; Yamada, T; Shibayama, N; Ohshita, J; A new co-sensitization method employing D-π-A dye with pyridyl group and D-π-Cat dye with catechol unit for dye-sensitized solar cells; DYES AND PIGMENTS, 2015, 122, 40-45.
doi: 10.1016/j.dyepig.2015.06.009

11. Ooyama, Y; Uenaka, K; Ohshita, J; Development of D-π-A Fluorescent Dyes with 3-Pyridyl Group as Electron-Withdrawing Anchoring Group for Dye-Sensitized Solar Cells; EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 2015, 3713-3720. doi: 10.1002/ejoc.201500341

12. Tanioka, M; Kamino, S; Muranaka, A; Ooyama, Y; Ota, H; Shirasaki, Y; Horigome, J; Ueda, M; Uchiyama, M; Sawada, D; Enomoto, S; Reversible Near-Infrared/Blue Mechanofluorochromism of Aminobenzopyranoxanthene; Journal of the American Chemical Society, 2015, 137, 6436-6439.
doi: 10.1021/jacs.5b00877

13. Ooyama, Y; Uenaka, K; Ohshita, J; Development of functionally separated D-π-A fluorescent dye with pyrazyl group as electron-accepting group for dye-sensitized solar cell; ORGANIC CHEMISTRY FRONTIERS, 2015, 2, 552-559.
doi: 10.1039/C5QO00050E

14. Shibayama, N; Ozawa, H; Ooyama Y; Arakawa, H; Highly Efficient Cosensitized Plastic-Substrate Dye-Sensitized Solar Cells with Black Dye and Pyridine-Anchor Organic Dye; BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 2015, 88, 366-374. doi: 10.1246/bcsj.20140344

15. Imae, I; Mashima, T; Sagawa, H; Komaguchi, K; Ooyama, Y; Harima, Y; In situ conductivity measurements of polythiophene partially containing 3,4-ethylenedioxythiophene and 3-hexylthiophene; JOURNAL OF SOLID STATE ELECTROCHEMISTRY, 2015, 19, 71-76.
doi: 10.1007/s10008-014-2579-8

16. Mizumo, T.; Muragishi, H.; Yamamoto, K.; Ohshita, J.; Kanezashi, M.; Tsuru, T.; Preparation and separation properties of oxalylurea-bridged silica membranes;Appl. Organomet. Chem., 2015, 29, 433-438.
doi: 10.1002/aoc.3311

17. Murakami, K.; Ohshita, J.; Inagi, S.; Tomita, I.; Synthesis, and Optical and Electrochemical Properties of Germanium-Bridged Viologen; Electrochemistry, 2015, 83, 605-608.
doi: 10.5796/electrochemistry.83.605

18. Ishikawa, M.; Naka, A.; Ohshita, J.; The Chemistry of Silacyclopropenes; Asian J. Org. Chem., 2015, 4, 1192–1209.
doi: 10.1002/ajoc.201500271

19. Nakashima, M.; Otsura, T.; Naito, H.; Ohshita, J.; Synthesis of new D-A polymers containing disilanobithiophene donor and application to bulk heterojunction polymer solar cells; Polym. J., 2015, 47, 733-738.

20. Imae, I,; Korai, K.; Ooyama, Y,; Komaguchi, K.; Harima, Y.; Synthesis of novel dyes having EDOT-containing oligothiophenes as π-linker for panchromatic dye-sensitized solar cells; Synth. Met., 2015, 207, 65-71.

21. Harima, Y.; Kano, Y.; Fujita, T.; Imae, I.; Ooyama, Y.; Ohshita, J.; Photoinduced electron injection from an organic dye having a pyridyl anchor to Lewis acid site of TiO2 surface; RSC Adv., 2015, 5, 71387-71392.

22. Ooyama, Y.; Aoyama, S.; Furue, K.; Uenaka, K.; Ohshita, J.; Fluorescence sensor for water based on PET (photo-induced electron transfer): anthracene-bis(aminomethyl)phenylboronic acid ester; Dyes Pigm., 2015, 123, 248-253.

23. Ooyama, Y.; Sato, T.; Enoki, T.; Ohshita, J.; Development of D-π-A dye with (pyridiniumyl)alkanesulfonate as electron-withdrawing anchoring group for dye-sensitized solar cell; Dyes Pigm., 2015, 123, 349-354.

24. Ooyama, Y.; Kanda, M.; Uenaka, K.; Ohshita, J.; Effect of substituents in catechol dye sensitizers on photovoltaic performances of type-II dye-sensitized solar cells; ChemPhysChem, 2015, 16, 3049-3057.

25. Ohshita, J.; Nakamura, M.; Ooyama, Y.; Preparation and Reactions of Dichlorodithienogermoles; Organometallics, 2015, 34, 5609-5614.
doi: 10.1021/acs.organomet.5b00832

26. Kubo, T.; Koge, S.; Ohshita, J.; Kaneko, Y.; Preparation of Imidazolium Salt Type Ionic Liquids Containing Cyclic Siloxane Frameworks; CHEMISTRY LETTERS, 2015, 10, 1362-1364.
doi: 10.1246/cl.150598

27. Yamamoto, K; Ohshita, J; Mizumo, T; Kanezashi, M; Tsuru, T; Preparation of hydroxyl group containing bridged organosilica membranes for water desalination ; SEPARATION AND PURIFICATION TECHNOLOGY, 2015, 156, 396-402.
doi: 10.1016/j.seppur.2015.10.028


1. J. Ohshita, K. Murakami, D. Tanaka, Y. Ooyama, T. Mizumo, N. Kobayashi, H. Higashimura, T. Nakanishi, Y. Hasegawa; Synthesis of Group 14 Dipyridinometalloles with Enhanced Electron-Deficient Properties and Solid-State Phosphorescence; Organometallics, 2014, 33, 517-521. doi: 10.1021/om401019b

2. J. Ohshita, M. Nakashima, D. Tanaka, Y. Morihara, H. Fueno, K. Tanaka; Preparation of D-A Polymer with Disilanobithiophene as New Donor Component and Application to High-voltage Bulk Heterojunction Polymer Solar Cell; Polym. Chem., 2014, 5, 346 – 349. doi: 10.1039/C3PY01157G

3. J. Ohshita, F. Kaneko, D. Tanaka, Y. Ooyama, Preparation and photo-induced energy and electron transfer of new donor-silicon-acceptor polymers; Asian J. Org. Chem., 2014, 3, 170-175. doi: 10.1002/ajoc.201300288

4. J. Ohshita, T. Kajihara, D. Tanaka, Y. Ooyama; Preparation of poly(disilanylenetetracyanobutadienyleneoligothienylene)s as new donor-acceptor type organosilicon polymers; J. Organomet. Chem., 2014, 749, 255-260. doi: 10.1016/j.jorganchem.2013.10.007

5. Y. Ooyama, T. Sato, Y. Harima, and J. Ohshita; Development of D-π-A fluorescent dye with benzothienopyridine as electron-withdrawing anchoring group for dye-sensitized solar cells; J. Mater. Chem. A, 2014, 2, 3293-3296. doi: 10.1039/C3TA15067D

6. S. Kamino, M. Murakami, M. Tanioka, Y. Shirasaki, K. Watanabe, J. Horigome, Y. Ooyama, and S. Enomoto; Design and Syntheses of Highly Emissive Aminobenzopyrano-xanthene Dyes in the Visible and Far-Red Regions; Org. Lett., 2014, 16, 258-261. doi: 10.1021/ol403262x

7. I. Imae, S. Imabayashi, K. Komaguchi, Z. Tan, Y. Ooyama, and Y. Harima; Synthesis and Electrical Properties of Novel Oligothiophenes Partially Containing 3,4-Ethylenedioxythiophenes; RSC Adv., 2014, 4, 2501-2508. doi: 10.1039/C3RA44129F

8. Y. Ooyama, Y. Hagiwara, Y. Oda, H. Fukuoka, and J. Ohshita; BODIPY dye possessing solid-state red fluorescence and green metallic luster property in both crystalline and amorphous states; RSC Adv., 2014, 4, 1163-1167. doi: 10.1039/C3RA45785K

9. Z. Tan, I. Imae, K. Komaguchi, Y. Ooyama, J. Ohshita, and Y. Harima; Effects of π-conjugated side chains on properties and performances of photovoltaic copolymers; Synth. Met., 2014, 187, 30-36. doi: 10.1016/j.synthmet.2013.10.016

10. K. Yamamoto, J. Ohshita, T. Mizumo, T. Tsuru; Polymerization Behavior and Gel Properties of Ethane, Ethylene and Acetylene-Bridged Polysilsesquioxanes; J. Sol-Gel Tech. Sci., 2014, 71, 24-30. doi: 10.1007/s10971-014-3322-8

11. Y. Ooyama, K. Furue, K. Uenaka, J. Ohshita; Development of highly-sensitive fluorescence PET (photo-induced electron transfer) sensor for water: anthracene-boronic acid ester; RSC Adv., 2014, 4, 25330–25333. doi: 10.1039/C4RA02265C

12. N. Shibayama, H. Ozawa, M. Abe, Y. Ooyama, and H. Arakawa; New cosensitization method using Lewis acid sites of TiO2 photoelectrode for
dye-sensitized solar cells; Chem. Commun., 2014, 50, 6398-6401. doi: 10.1039/C3CC49461F

13. Y. Ooyama, T. Yamada, T. Fujita, Y. Harima, and J. Ohshita; Development of D-π-Cat fluorescent dyes with catechol group for dye-sensitized solar cells based on dye-to-TiO2 charge transfer; J. Mater. Chem. A, 2014, 2, 8500-8511. doi: 10.1039/C4TA01286K

14. Y. Ooyama, K. Uenaka, Y. Harima, and J. Ohshita; Development of D-π-A dyes with pyrazine ring as electron-withdrawing anchoring group for
dye-sensitized solar cells; RSC Adv., 2014, 4, 30225-30228. doi:10.1039/C4RA03999H

15. I. Suhaina M, R. Xu, H. Nagasawa, A. Naka, J. Ohshita, T. Yoshioka, M. Kanezashi, T. Tsuru; A closer look at the development and performance of organic-inorganic membranes using 2,4,6-tris-[3(triethoxysilyl)-1-propoxyl]-1,3,5-triazine (TTESPT); RSC ADVANCES, 2014, 4, 12404-12407. doi: 10.1039/C3RA47736C

16.I. Suhaina M, R. Xu, H. Nagasawa, A. Naka, J. Ohshita, T. Yoshioka, M. Kanezashi, T. Tsuru; Insight into the pore tuning of triazine-based nitrogen-rich organoalkoxysilane membranes for use in water desalination; RSC ADVANCES, 2014, 4, 23759-23769. doi: 10.1039/C4RA02772H

17. R. Xu, I. Suhaina M, M. Kanezashi, T. Yoshioka, K. Ito, J. Ohshita, T. Tsuru; New Insights into the Microstructure-Separation Properties of Organosilica Membranes with Ethane, Ethylene, and Acetylene Bridges; ACS APPLIED MATERIALS & INTERFACES, 2014, 6,9357-9364. doi: 10.1021/am501731d

18. FB. Zhang, J. Ohshita, M. Miyazaki, D. Tanaka, Y. Morihara; Effects of substituents and molecular weight on the optical, thermal and photovoltaic properties of alternating dithienogermole-dithienylbenzothiadiazole polymers; POLYMER JOURNAL, 2014, 46, 628-631. doi: 10.1038/pj.2014.35

19. J. Ohshita, T. Tsuchida, K. Murakami, Y. Ooyama, T. Nakanishi, Y. Hasegawa, N. Kobayashi, H. Higashimura; Distibylation of Acetylenes with Ph2Sb-SbPh2: Synthesis, Crystal Structures and Phosphorescence Properties of Bis(diphenylstibyl)ethenes; ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 2014,69, 1181-1187. doi: 10.5560/ZNB.2014-4166


1. K. Mase, E. Kobayashi, A. Nambu, T. Kakiuchi, O. Takahashi, K. Tabayashi, J. Ohshita, S. Hashimoto, M. Tanaka, S. Nagaoka; Site-specific ion desorption from condensed F3SiCD2CH2Si(CH3)3 induced by Si-2p core-level ionizations studied with photoelectron photoion coincidence (PEPICO) spectroscopy, Auger photoelectron coincidence spectroscopy (APECS) and Auger electron photoion coincidence (AEPICO) spectroscopy; Surface Science, 2013, 607, 174-180. doi: 10.1016/j.susc.2012.09.003

2. Y. Ooyama, N. Yamaguchi, I. Imae, K. Komaguchi, J. Ohshita and Y. Harima; Dye-sensitized solar cells based on D-π-A fluorescent dyes with two pyridyl groups as electron-withdrawing-injecting anchoring group; Chem. Commun., 2013, 49, 2548-2550. doi: 10.1039/C3CC40498F

3. J. Ohshita, Y. Tominaga, D. Tanaka, Y. Ooyama, T. Mizumo, N. Kobayashi, and H. Higashimura; Synthesis of dithienosilole-based highly photoluminescent donor-acceptor type compounds; Dalton Trans., 2013, 42, 3646-3652. doi: 10.1039/C2DT32738D

4. Y. Ooyama, Y. Oda, T. Mizumo and J. Ohshita; Specific solvatochromism of D-π-A type pyridinium dyes bearing various counter anions in halogenated solvents; Tetrahedron, 2013, 69, 1755-1760. doi: 10.1016/j.tet.2012.12.033

5. Ohshita, J.; Miyazaki, M.; Tanaka, D.; Morihara, Y.; Fujita, Y.; Kunugi, Y. Synthesis of Poly(dithienogermole-2,6-diyl)s, Polymer Chemistry 2013, 4, 3116-3122. doi: 10.1039/C3PY00253E

6. Tanaka, D.; Ohshita, J.; Ooyama, Y.; Morihara, Y. Synthesis and Optical and Photovoltaic Properties of Dithienosilole-Dithienylpyridine and Dithienosilole-Pyridine Alternate Polymers and Polymer-B(C6F5)3 Complexes, Polymer Journal 2013, 45, 1153-1158. doi: 10.1038/pj.2013.46

7. Lu, Z.; Ohshita, J.; Tanaka, D.; Mizumo, T.; Fujita, Y.; Kunugi, Y. Synthesis of oligo(dimethylsiloxane)-oligothiophene alternate polymers from α,ω-dibromooligo(dimethylsiloxane), Journal of Organometallic Chemistry 2013, 731, 73-77. doi: 10.1016/j.jorganchem.2013.02.011

8. Ohshita, J.; Miyazaki, M.; Zhang, Fei-Bao.; Tanaka, D.; Morihara, Y. Synthesis and Properties of Dithienometallole-Pyridinochalcogenadiazole Alternate Polymers, Polymer Journal 2013, 45, 979-984. doi: 10.1038/pj.2013.13

9. Ohshita, J.; Tominaga, Y.; Tanaka, D.; Mizumo, T.; Fujita, Y.; Kunugi, Y. Synthesis and optical properties of organosilicon oligothiophene branched polymers, J. Organomet. Chem. 2013, 736, 50-54. doi: 10.1016/j.jorganchem.2013.03.007

10. Tan, Z.; Imae, I.; Ooyama, Y.; Komaguchi, K.; Ohshita, J.; Harima, Y.
Low bandgap polymers with benzodithiophene and bisthienylacrylonitrile units for photovoltaic applications, European Polymer Journal 2013, 49, 1634-1641. doi: 10.1016/j.eurpolymj.2013.02.020

11. D. Tanaka, J. Ohshita, T. Mizumo, Y. Ooyama, Y. Harima; Synthesis of donor-acceptor type new organosilicon polymers and their applications to dye-sensitized solar cells; J. Organomet. Chem., 2013,
741-742, 97-101. doi: 10.1016/j.jorganchem.2013.05.042

12. A. Naka, R. Fukuda, Y. Jahana, J. Ohshita, H. Kobayashi, M. Ishikawa; Synthesis and optical properties of H-shaped silicon-containing molecule with bithiophene units; J. Organomet. Chem.; 2013, 741-742, 67-71. doi: 10.1016/j.jorganchem.2013.05.024

13. Y. Ooyama, Y. Hagiwara, T. Mizumo, Y. Harima and J. Ohshita; Synthesis of diphenylamino-carbazole substituted BODIPY dyes and their photovoltaic performance in dye-sensitized solar cells; RSC Adv., 2013, 3, 18099-18106. doi: 10.1039/C3RA43577F

14. Y. Harima, T. Fujita, Y. Kano, I. Imae, K. Komaguchi, Y. Ooyama, and J. Ohshita; Lewis Acid Sites of TiO2 Surface for Adsorption of Organic Dye Having Pyridyl Group as Anchoring Unit; J. Phys. Chem. C, 2013, 117, 16364-16370. doi: 10.1021/jp405835y

15. Y. Ooyama, Y. Hagiwara, T. Mizumo, Y. Harima and J. Ohshita; Photovoltaic performance of dye-sensitized solar cells based on D-π-A type BODIPY dye with two pyridyl groups; New J. Chem., 2013, 37, 2479-2485. doi: 10.1039/C3NJ00456B

16. Y. Ooyama, Y. Hagiwara, Y. Oda, T. Mizumo, Y. Harima and J. Ohshita; Dye-sensitized solar cells based on functionally separated D-π-A fluorescent dye with aldehyde as electron-accepting group; New J. Chem., 2013, 37, 2336-2340. doi: 10.1039/C3NJ00430A

17. Y. Ooyama, Y. Oda, T. Mizumo, Y. Harima and J. Ohshita; Synthesis of Specific Solvatochromic D-π-A Dyes with Pyridinium Ring as Electron-Withdrawing Group for Dye-Sensitized Solar Cells; Eur. J. Org. Chem., 2013, 21, 4533-4538. doi: 10.1002/ejoc.201300465

18. Y. Ooyama, Y. Oda, Y. Hagiwara, H. Fukuoka, E. Miyazaki, T. Mizumo, and J. Ohshita; Solid-state fluorescence properties and mechanofluorochromism of D-π-A pyridinium dyes bearing various counter anions; Tetrahedron, 2013, 69, 5818-5822. doi: 10.1016/j.tet.2013.05.047

19. Y. Ooyama, N. Yamaguchi, J. Ohshita, and Y. Harima; Development of Dye-Sensitized Solar Cells Based on D-π-A Pyridinium Dye without Carboxylic Acid Moiety as Anchoring Group; Electrochemistry, 2013, 81, 325-327. doi: 10.5796/electrochemistry.81.325

20. Y. Ooyama, K. Uenaka, A. Matsugasako, Y. Harima, and J. Ohshita; Molecular design and synthesis of fluorescence PET (photo-induced electron transfer) sensors for detection of water in organic solvents; RSC Adv., 2013, 3, 23255-23263. doi: 10.1039/C3RA42833H

21. D. Tanaka, J. Ohshita, Y. Ooyama, N. Kobayashi, H. Higashimura, T. Nakanishi, Y. Hasegawa; Synthesis, Optical Properties, and Crystal Structures of Dithienostannoles; Organometallics, 2013, 32, 4136-4141. doi: 10.1021/om400213q

22. T. Mizumo, T. Kajihara, T. Yamada, J. Ohshita; Preparation and utilization of poly (methacryloylsilatrane) as a salt-dissociation enhancer in PEO-based polymer electrolytes; Polymers for Advanced Technologies, 2013, 24, 705-714. doi: 10.1002/pat.3134

23. R. Xu, M. Kanezashi, T. Yoshioka, T. Okuda, J. Ohshita, T. Tsuru; Tailoring the Affinity of Organosilica Membranes by Introducing Polarizable Ethenylene Bridges and Aqueous Ozone Modification; ACS Applied Materials & Interfaces, 2013, 5, 6147-6154. doi: 10.1021/am401056a


1. Y. Ooyama, N. Yamaguchi, S. Inoue, T. Nagano, E. Miyazaki, H. Fukuoka, I. Imae, K. Komaguchi, J. Ohshita and Y. Harima; Mechanofluorochromism of carbazole-type D-π-A fluorescent dyes; Tetrahedron, 68, 529-533(2012). doi: 10.1016/j.tet.2011.11.012

2. A. Naka, R. Fukuda, R. Kishimoto, Y. Yamashita, Y. Ooyama, J. Ohshita, M. Ishikawa, Nanosized starlike molecules. Synthesis and optical properties of 2,4,6-tris(disilanylenebithienylene)-1,3,5-triazine derivatives, J. Organomet. Chem., 702, 67-72 (2012). doi: 10.1016/j.jorganchem.2011.12.029

3. Z. Lu, J. Ohshita, T. Mizumo, Palladium-catalyzed formation and reactions of iodo- and bromosiloxane intermediates, J. Organomet. Chem., 697, 51-56 (2012). doi: 10.1016/j.jorganchem.2011.10.012

4. K.-H. Lee, J. Ohshita, D. Tanaka, Y. Tominaga, A. Kunai, Synthesis and optical properties of spirobi(dithienometallole)s and spirobi(dithienothiametalline)s, J. Organomet. Chem., 710, 53-58 (2012). doi: 10.1016/j.jorganchem.2012.03.012

5. A.Naka, J. Ohshita, E. Miyazaki, T. Miura, H. Kobayashi, M. Ishikawa, Stereochemistry of Disilanylene-Containing Cyclic Compounds. Palladium-Catalyzed Reactions of cis- and trans-3,4-Benzo-1,2-diisopropyl-1,2-dimethyl-1,2-disilacyclobut-3-ene with Ethylene, Organometallics, 31, 3492-3498 (2012). doi: 10.1021/om201061x
6. I.-S. Lee, M.-h. Ahn, M. A. Kumar, U.-k. Lee, J. Ohshita, Y.-W. Kwak, Synthesis and Structures of New Silaanthracenophanes, Bull. Kor. Chem. Soc., 33, 255-260 (2012). doi: 10.5012/bkcs.2012.33.1.255

7. Y. Kano, K. Kushimoto, K. Komaguchi, Y. Ooyama, I. Imae, J. Ohshita, and Y. Harima; Intermolecular Distances of Carboxylated TEMPO Derivatives on TiO2 Evaluated by Spin-Probe ESR; Phys. Chem. Chem. Phys., 2012, 14, 15988-15990. doi: 10.1039/C2CP43015K

8. D. Tanaka, J. Ohshita, Y. Ooyama, T. Mizumo, and Y. Harima; Synthesis of disilanylene polymers with donor-acceptor-type π-conjugated units and applications to dye-sensitized solar cells; J. Organomet. Chem., 2012, 719, 30-35. doi: 10.1016/j.jorganchem.2012.08.019

9. J. Ohshita, R. Fujita, D. Tanaka, Y. Ooyama, N. Kobayashi, H. Higashimura, and Y. Yamamoto; Synthesis and Optical Properties of Dithienostiboles; Chem. Lett., 2012, 41, 1002-1003. doi: 10.1246/cl.2012.1002

10. Y. Ooyama, K. Kushimoto, Y. Oda, D. Tokita, N. Yamaguchi, S. Inoue, T. Nagano, Y. Harima, and J. Ohshita; Synthesis and Specific Solvatochromism of D-π-A Type Pyridinium Dye; Tetrahedron., 2012, 68, 8577-8580. doi: 10.1016/j.tet.2012.08.010

11. Y. Ooyama, T. Sugiyama, Y. Oda, Y. Hagiwara, N. Yamaguchi, E. Miyazaki, H. Fukuoka, T. Mizumo, Y. Harima, and J. Ohshita; Synthesis of Carbazole-Type D-π-A Fluorescent Dyes Possessing Solid-State Red Fluorescence Properties; Eur. J. Org. Chem., 2012, 25, 4853-4859. doi: 10.1002/ejoc.201200643

12. Y. Ooyama, A. Matsugasako, Y. Hagiwara, J. Ohshita, and Y. Harima; Highly-sensitive fluorescence PET (Photo-induced Electron Transfer) sensor for water based on anthracene-bisboronic acid ester; RSC Adv., 2012, 2, 7666-7668. doi: 10.1039/C2RA21067C

13. I. Imae, Y. Nakamura, K. Komaguchi, Y. Ooyama, J. Ohshita, and Y. Harima; Development of a simple method for fabrication of transparent conductive films with high mechanical strength; Sci. Technol. Adv. Mater., 2012, 13, 045005 (5pp). doi: 10.1088/1468-6996/13/4/045005

14. I. Imae, D. Tokita, Y. Ooyama, K. Komaguchi, J. Ohshita, and Y. Harima; Oligothiophenes incorporated in polysilsesquioxane network: application to tunable transparent conductive films; J. Mater. Chem., 2012, 22, 16407-16415. doi: 10.1039/C2JM32259E

15. 大山陽介、大下浄治、播磨裕;分子配列・配向性を制御したD-π-A蛍光性色素の開発と色素増感太陽電池への応用;有機合成化学協会誌 特集号-有機合成がリードする材料の科学と機能-;2012年, Vol. 70 (5), p524–540. doi: 10.5059/yukigoseikyokaishi.70.524

16. Y. Ooyama, J. Ohshita, and Y. Harima; Control of Molecular Arrangement and/or Orientation of D-π-A Fluorescent Dyes for Dye-Sensitized Solar Cells; Chem. Lett., 2012, 41, 1384-1396 (Highlight Review). doi: 10.1246/cl.2012.1384

17. I. Imae, S. Takayama, D. Tokita, Y. Ooyama, K. Komaguchi, J. Ohshita and Y. Harima; Synthesis of a Novel Family of Polysilsesquioxanes Having Oligothiophenes with Well-Defined Structures; International Journal of Polymer Science, 2012, vol. 2012, Article ID 484523, 10 pages, 2012. doi:10.1155/2012/484523. doi: 10.1155/2012/484523

18. Lu, Z.; Ohshita, J.; Tanaka, D.; Mizumo, T.; Fujita, Y.; Kunugi, Y. Preparation, hybrid formation with single-walled carbon nanotube, and film morphology of pyrene-containing polysiloxanes, Composite Interfaces 2012, 19, 573-581. doi: 10.1080/15685543.2012.762866



1. Y. Ooyama, T. Nagano, S. Inoue, I. Imae, K. Komaguchi, J. Ohshita and Y. Harima; Dye-Sensitized Solar Cells Based on D-π-A Fluorescent Dyes with Pyridine Ring as Electron-Withdrawing-Injecting Anchoring Group; Chem.- Eur. J., 17, 14837-14843(2011). doi: 10.1002/chem.201101923

2. Y. Ooyama, S. Inoue, T. Nagano, K. Kushimoto, J. Ohshita, I. Imae, K. Komaguchi and Y. Harima; Dye-Sensitized Solar Cells Based On Donor–Acceptor π-Conjugated Fluorescent Dyes with a Pyridine Ring as an Electron-Withdrawing Anchoring Group; Angew. Chem. Int. Ed., 50, 7429-7433(2011). doi: 10.1002/anie.201102552

3. Y. Harima, S. Setodoi, I. Imae, K. Komaguchi, Y. Ooyama, J. Ohshita, H. Mizota, J. Yano, Electrochemical reduction of graphene oxide in organic solvents, Electrochimica Acta, 56, 5363-5368 (2011). doi: 10.1016/j.electacta.2011.03.117

4. T. Mizumo, R. Fujita, H. Ohno, J. Ohshita, Lithium Ion Conduction in Silatrane Matrices. Chem. Lett., 40, 798-800 (2011). doi: 10.1246/cl.2011.798

5. J. Ohshita, Y. Kurushima, M. Arita, Y. Tominaga, T. Mizumo, Preparation and Optical Properties of Dithienosilole-arylphosphine Alternate Oligomers, Phosphorus, Sulfur, and Silicon and the Related Elements,186, 1303-1307 (2011). doi: 10.1080/10426507.2010.525763

6. J. Ohshita, D. Tanaka, J. Matsukawa, T. Mizumo, H. Yoshida, Y. Ooyama, Y. Harima, Hybridization of Carbon Nanotubes with Si-π Polymers and Attachment of Resulting Hybrids to TiO2 Surface, Chem. Lett. 40, 87-89 (2011). doi: 10.1246/cl.2011.87

7. J. Ohshita, Y. Tominaga, T. Mizumo, Y. Kuramochi, H. Higashimura, Synthesis and Optical Properties of a Bis(diphenylphosphino)dithienosilole-Digold(I) Complex, Heteroatom Chemistry, 22, 514-517 (2011). doi: 10.1002/hc.20715

8. I. Imae, D. Tokita, Y. Ooyama, K. Komaguchi, J. Ohshita, Y. Harima,Charge transport properties of polymer films comprising oligothiophene in silsesquioxane network, Polym. Chem., 2, 868-872 (2011). doi: 10.1039/C0PY00387E

9. X.-Q. Jiang, Z.-M. Zheng, Y. Harima, J. Ohshita, P.-P. Sun, Optical properties of a series of monosilylene-oligothiophene copolymers and the application to light-emitting diodes, J. Mater. Chem., 21, 1902-1906 (2011). doi: 10.1039/c0jm02761h

10. J. Ohshita, Y.-M. Hwang, T. Mizumo, H. Yoshida, Y. Ooyama, Y. Harima, Y. Kunugi, Synthesis of Dithienogermole-containing π-Conjugated Polymers and Applications to Photovoltaic Cells, Organometallics, 30 (12), 3233-3236 (2011). doi: 10.1021/om200081b

11. Y.-M. Hwang, J. Ohshita, Y. Harima, T. Mizumo, Y. Ooyama, Y. Morihar T. Izawa, T. Sugioka, A. Fujita, Synthesis, characterization, and photovoltaic applications of dithieno germole-dithienylbenzothiadiazole and -dithienylthiazolothiazole copolymers, Polymer, 52, 3912 (2011). doi: 10.1016/j.polymer.2011.07.009

12. H. R. Lee, T. Shibata, M. Kanezashi, T. Mizumo, J. Ohshita, T. Tsuru, Pore-size-controlled silica membranes with disiloxane alkoxides for gas separation, J. Membr. Sci., 383, 152-158 (2011). doi: 10.1016/j.memsci.2011.08.046

13. Y.-M. Hwang, J. Ohshita, T. Mizumo, H. Yoshida, Y. Kunugi, T. Sugioka, Synthesis and Optical Properties of Pyridino End-Capped Oligothiophenes, Bull. Soc. Chem. Jpn.,84, 1243-1247 (2011). doi: 10.1246/bcsj.20110168

14. H. Yoshida, Y. Ito, J. Ohshita, Three-component coupling using arynes and DMF: straightforward access to coumarins via ortho-quinone methides, Chem. Commun., 47, 8512-8514 (2011). doi: 10.1039/C1CC11955A

15. H. Yoshida, Y. Ito, Y. Yoshikawa, J. Ohshita, K. Takaki, Aryne reaction with trifluoromethyl ketones in three modes: C-C bond cleavage, 2+2 cycloaddition and O-arylation, Chem. Commun., 47, 8664-8666 (2011). doi: 10.1039/C1CC12820E

16. 吉田拡人,大下浄治,σ―結合へのアラインの挿入反応,有機合成化学協会誌,59, 877-888 (2011). doi: 10.5059/yukigoseikyokaishi.69.877

17. 大下浄治,ケイ素-オリゴチオフェンからなる機能性高分子材料の開発と無機酸化物とのハイブリッド化,ネットワークポリマー,32, 276-282(2011). doi: 10.11364/networkpolymer.32.276

18. H. Ottosson, J. Ohshita, Silenes, Science of Synthesis, Knowledge Updates 2011/3, 47-55 (2011).


1. J. Ohshita, Y. Hatanaka, S. Matsui, Y. Ooyama, Y. Harima, Y. Kunugi, Synthesis of star-shaped molecules with pyrene-containing pai-conjugated units linked by an organosilicon core, Appl. Organomet. Chem., 24, 540-544 (2010). doi: 10.1002/aoc.1551

2. Y. Harima, Y. Ishiguro, Y. Fujikawa, T. Hashiguchi, K. Komaguchi, Y. Ooyama, I. Imae, J. Ohshita, Absorption spectra of field-generated cation radical in triphenyldiamine film: Lack of intervalence-charge transfer band, Chem. Phys. Lett., 485, 100-103 (2010). doi: 10.1016/j.cplett.2009.12.021

3. Y. Kunugi, Y. Yamada, H. Horiuchi, H. Hiratsuka, J. Ohshita, OFET Characteristics of Stretched Poly(3-hexylthiophene) Films, Electrochemistry, 3, 191-193 (2010). doi: 10.5796/electrochemistry.78.191

4. J. Ohshita, Y. Hatanaka, S. Matsui, T. Mizumo, Y. Kunugi, Y. Honsho, A. Saeki, S. Seki, J. Tibbelin, H. Ottosson, T. Takeuchi, Effects of the silicon core structures on the hole mobility of star-shaped oligothiophenes, Dalton Trans., 39, 9314-9320 (2010). doi: 10.1039/C0DT00224K

5. J. Ohshita, S. Matsui, R. Yamamoto, T. Mizumo, Y. Ooyama, Y. Harima, T. Murafuji, K. Tao, Y. Kuramochi, T. Kaikoh, H. Higashimura, Synthesis of Dithienobismoles as Novel Phosphorescence Materials, Organometallics, 29, 3239-3241 (2010). doi: 10.1021/om100560n

6. T. Morishita, H. Yoshida, J. Ohshita, Copper-catalysed bromoalkynylation of arynes, Chem. Commun., 46, 640-642 (2010). doi: 10.1039/B919301D

7. J. Ohshita, H. Kawamoto, A. Kunai, H. Ottosson, Formation of Acylsilenolates from Bis(acyl)trisilanes as the Silicon Analogues of Acylenolates, Organometallics, 29, 4199-4202 (2010). doi: 10.1021/om100643d

8. H. Yoshida, T. Morishita, J. Ohshita, An Aryne Route to Cytosporone B and Phomopsin C, Chem. Lett., 39, 508-509 (2010). doi: 10.1246/cl.2010.508

9. H. Yoshida, M. Mukae, J. Ohshita, Facile access to boryltetralins and borylnaphthalenes via a cycloaddition using o-quinodimethanes, Chem. Commun., 46, 5253-5255 (2010). doi: 10.1039/C002949A

10. H. Yoshida, K. Okada, S. Kawashima, K. Tanino, J. Ohshita, Platinum-catalysed diborylation of arynes: synthesis and reaction of 1,2-diborylarenes, Chem. Commun., 46, 1763-1765 (2010). doi: 10.1039/B919407J


1. T. Maehara, J. Takenaka, K. Tanaka, M. Yamaguchi, H. Yamamoto, J. Ohshita, Synthesis and Polymerization of Novel Epoxy Compounds Having an Adamantane Ring and Evaluation of thier Heat Resistance and Transparancy, J. Appl. Polym. Sci., 112, 496-504 (2009). doi: 10.1002/app.29320

2. J. Ohshita, K. Hino, T. Iwawaki, A. Kunai, Electrochemical reduction of alkoxychlorosilanes for Si-Si bond formation, J. Electroanal. Chem., 625, 138-143 (2009). doi: 10.1016/j.jelechem.2008.10.022

3. A. Naka, Y. Matsumoto, T. Itano, K. Hasegawa, T. Shimamura, J. Ohshita, A. Kunai, T. Takeuchi, M. Ishikawa, Nanosized starlike molecules. Synthesis and optical properties of tris- and tetrakis[oligo(disilanylenebithienylene)dimethylsilyl]benzene, J. Organomet. Chem., 694, 346-352 (2009). doi: 10.1016/j.jorganchem.2008.10.053

4. J. Ohshita, Y. Tada, A. Kunai, Y. Harima, Y. Kunugi, Hole-injection properties of annealed polythiophene films to replace PEDOT-PSS in multilayered OLED systems, Synthetic Metals, 159, 214-217 (2009). doi: 10.1016/j.synthmet.2008.09.002

5. J. Ohshita, J. Matsukawa, T. Iwawaki, S. Matsui, Y. Ooyama, Y. Harima, Attachment of poly[(ethoxyhexylsilylene)oligothienylene]s to inorganic oxide surface, Synthetic Metals,159, 817-820 (2009). doi: 10.1016/j.synthmet.2009.01.014

6. J. Ohshita, H. Kai, K. Kimura, K.-H. Lee, A. Kunai, Synthesis of Alternate Copolymers Composed of Dithienosilole and π-Conjugated Units, Polym. J.,41, 482-485 (2009). doi: 10.1295/polymj.PJ2008278

7. A. Naka, J. Sakata, J. Ikadai, H. Kawasaki, J. Ohshita, E. Miyazaki, A.Kunai, Kazunari Yoshizawa, and Mitsuo Ishikawa, Palladium–catalyzed Reactions of cis- and trans-3,4- Benzo-1,2-diisopropyl-1,2-dimethyl-1,2-disilacyclobut-3-ene, Z. Naturforsch. B, 64b, 1580-1590 (2009).

8. T. Maehara, J. Ohshita, R. Taketsugu, K. Hino, A. Kunai, Hydrosilylation Polymerization for the Synthesis of Organosilicon Polymers Containing Adamantane Units, Polym. J., 41, 973-977 (2009). doi: 10.1295/polymj.PJ2009128

9. T. Maehara, S. Hashimoto, J. Ohshita, Synthesis and Heat-resistance of Arylenedioxy-organosilanylene Polymers with Adamantane Units, Z. Naturforsch. B, 64b, 1567-1570 (2009).

10. I. Imae, S. Takayama, D. Tokita, Y. Ooyama, K. Komaguchi, J. Ohshita, T. Sugioka, K. Kanehira, Y. Harima, Development of anchored oligothiophenes on substrates for the application to the tunable transparent conductive films, Polymer, 50, 6198-6201 (2009). doi: 10.1016/j.polymer.2009.10.058

11. H. Yoshida, Y. Mimura, J. Ohshita, Insertion of Arynes into Carbon-Chlorine Bonds of Chlorotriazines. Chem. Lett., 38, 1132-1133 (2009). doi: 10.1246/cl.2009.1132

12. H. Yoshida, T. Morishita, H. Nakata, J. Ohshita, Copper-Catalyzed 2:1 Coupling Reaction of Arynes with Alkynes, Org. Lett., 11, 373-376 (2009). doi: 10.1021/ol802609j

13. 大下浄治,新規σ-π共役型ポリマーの合成と発光・キャリア輸送材料への応用,次世代共役ポリマーの超階層制御と革新機能,第7章,赤木和夫監修,シーエムシー (2009).

14. J. Ohshita, Conjugated Oligomers and Polymers Containing Dithienosilole Units, Macromol. Chem. Phys., 210, 1360-1370 (2009). doi: 10.1002/macp.200900180


1. J. Ohshita, J. Matsukawa, M. Hara, A. Kunai, S. Kajiwara, Y. Ooyama, Y. Harima, M. Kakimoto, Attachment of Disilanylene-Oligothienylene Polymers on TiO2 Surface by Photochemical Cleavage of the Si-Si Bonds, Chem. Lett., 37, 316-317 (2008). doi: 10.1246/cl.2008.316

2. I.-S. Lee, Y.-W. Kwak, M.K. Ghosh, J. Ohshita, C. H. Choi, Ring Flipping of Seven-membered and Eight-membered Dithienodisila-heterocycles, Bull. Kor. Chem. Soc., 29, 377-380 (2008). doi: 10.5012/bkcs.2008.29.2.377

3. J. Ohshita, J. Morioka, H. Kawamoto, H. Kobayashi, A. Kunai, A. Naka, Selective Formation of Rearranged Silenes from Polysilylenone via 1,3- and 1,5-Silyl Migration, Organometallics, 27, 5423-5425 (2008). doi: 10.1021/om800708t

4. I-S. Lee, Y.-W. Kwak, D.-H. Kim, Y. Cho, J. Ohshita, Synthesis of E-alkenylsilanes with dithienosilole and their electrochemical and optical properties, J. Organomet. Chem., 693, 3233-3239 (2008). doi: 10.1016/j.jorganchem.2008.07.030

5. A. Naka, S. Ueda, J. Ohshita, A. Kunai, T. Miura, H. Kobayashi, M. Ishikawa, Silicon-carbon unsaturated compounds. 75. Thermal isomerization of 2-alkyl- and 2-aryl-2-trimethyl siloxy-1,1-bis(trimethylsilyl)-1-silacyclohex-4-enes, Organometallics, 27, 2922-2928 (2008). doi: 10.1021/om800219n

6. A. Naka, S. Motoike, N. Senba, J. Ohshita, A. Kunai, K. Yoshizawa, M. Ishikawa, Silicon-Carbon Unsaturated Compounds. 74. Thermal Behavior of 1-Silacyclobut-3-Enes Generated from the Reaction of Acylpolysilanes with Tert-Butylacetylene, Organometallics, 27, 2750-2755 (2008). doi: 10.1021/om701005b

7. H. Kai, J. Ohshita, S. Ohara, N, Nakayama, A. Kunai, I.-S. Lee, Y.-W. Kwak, Disilane- and siloxane-bridged biphenyl and bithiophene derivatives as electron-transporting materials in OLEDs, J. Organomet. Chem., 693, 3490-3494 (2008). doi: 10.1016/j.jorganchem.2008.08.018

8. T. Morishita, H. Fukushima, H. Yoshida, J. Ohshita, A. Kunai, Three-component Coupling using Arynes and Aminosilanes for ortho-Selective Double Functionalization of Aromatic Skeletons, J. Org. Chem., 73, 5452-5457 (2008). doi: 10.1021/jo800761b

9. H. Yoshida, T. Kishida, M. Watanabe, J. Ohshita, Fluorenes as new molecular scaffolds for carbon-carbon sigma-bond cleavage reaction: acylfluorenylation of arynes, Chem. Commun., 5963-5965 (2008). doi: 10.1039/b814597k

10. H. Yoshida, T. Morishita, J. Ohshita, Direct Access to Anthranilic Acid Derivatives via CO2 Incorporation Reaction Using Arynes, Org. Lett., 10, 3845-3847 (2008). doi: 10.1021/ol801588s

11. H. Yoshida, S. Nakano, M. Mukae, J. Ohshita, Palladium-Catalyzed Disilylation of o-Quinodimethanes: Synthesis of 9-and 10-Membered Disilacarbocycles, Org. Lett., 10, 4319-4322 (2008). doi: 10.1021/ol801788t

12. 大下浄治,ケイ素-π電子系交互ポリマーの合成と機能,高分子,57,146-149 (2008).


1. J. Ohshita, S. Kangai, H. Yoshida, A. Kunai, S. Kajiwara, Y. Ooyama, Y. Harima, Synthesis of organosilicon polymers containing donor-acceptor type π-conjugated units and their applications to dye-sensitized solar cells, J. Organomet. Chem.,692, 801-805 (2007). doi: 10.1016/j.jorganchem.2006.10.016

2. J. Ohshita, S. Kangai, Y. Tada, H. Yoshida, K. Sakamaki, A. Kunai, Y. Kunugi, Synthesis of diarylenenaphthylene- and diaryleneanthrylene-containing organosilicon polymers and their applications to organic EL devices, J. Organomet. Chem., 692, 1020-1024 (2007). doi: 10.1016/j.jorganchem.2006.10.062

3. M. Fujitsuka, D. W. Cho, J. Ohshita, A. Kunai, T. Majima, Fluorescence Properties of Si-linked Oligothiophenes, J. Phys. Chem. C, 111, 1993-1998 (2007). doi: 10.1021/jp066336y

4. J. Ohshita, Y. Tada, A. Kunai, Y. Harima, A. Kohno, Y. Kunugi, Effects of annealing of poly(3-hexylthiophene) film on the performance of double-layered EL devices of ITO/polymer/Alq3/Mg-Ag, Synthetic Metals, 157, 104-108 (2007). doi: 10.1016/j.synthmet.2006.12.009

5. J. Ohshita, K. Kimura, K.-H. Lee, A. Kunai, Y.-W. Kwak, E.-C. Son, Y. Kunugi, Synthesis of Silicon-Bridged Polythiophene Derivatives and Their Applications to EL Device Materials, J. Polym. Sci., Part A, Polym. Chem., 45, 4588-4596 (2007). doi: 10.1002/pola.22196

6. J. Ohshita, K. Inata, Y. Izumi, A. Kunai, Palladium-catalyzed synthesis of poly(bromoalkoxy- and bromoalkanoyloxy methylsiloxane)s from poly(hydromethylsiloxane)s, J. Organomet. Chem., 692, 3526-3531 (2007). doi: 10.1016/j.jorganchem.2007.04.038

7. J. Ohshita, K. Hino, K. Inata, A. Kunai, T. Maehara, Palladium-catalyzed silation of adamantanedi- and triol, leading to adamantane-siloxane alternating polymers with high heat resistance, Polymer, 48, 4301-4304 (2007). doi: 10.1016/j.polymer.2007.05.052

8. J. Ohshita, Y. Kurushima, K.-H. Lee, Y. Ooyama, Y. Harima, Synthesis of Bis(diaryl phosphino)dithienosilole Derivatives as Novel Photo- and Electro luminescence Materials, Organometallics, 26, 6591-6595 (2007). doi: 10.1021/om700765w

9. J. Ohshita, Y. Izumi, D.-H. Kim, A. Kunai, T. Kosuge, Y. Kunugi, A. Naka, M. Ishikawa, Applications of Silicon-Bridged Oligothiophenes to Organic FET Materials, Organometallics, 26, 6150-6154 (2007). doi: 10.1021/om700631s

10. A. Naka, N. Fujioka, J. Ohshita, J. Ikadai, A. Kunai, H. Kobayashi, T. Miura, M. Ishikawa, Silicon-Carbon Unsaturated Compounds. 72. Thermolysis of Acylpolysilanes with Diphenylketene, Organometallics, 26, 5535-5542 (2007). doi: 10.1021/om700838n

11. H. Yoshida, Y. Mimura, J. Ohshita, A. Kunai, Insertion of arynes into carbon-halogen sigma-bonds: regioselective acylation of aromatic rings, Chem. Commun., 2405-2407 (2007). doi: 10.1039/b701581j

12. H. Yoshida, H. Fukushima, T. Morishita, J. Ohshita, A. Kunai, Three-component coupling using arynes and isocyanides: straightforward access to benzo-annulated nitrogen or oxygen heterocycles, Tetrahedron, 63, 4793-4805 (2007). doi: 10.1016/j.tet.2007.03.042

13. H. Yoshida, T. Morishita, H. Fukushima, J. Ohshita, A. Kunai, Three-Component Coupling of Arynes, Aminosilanes, and Aldehyde, Org. Lett., 9, 3367-3370 (2007). doi: 10.1021/ol071347a

14. H. Yoshida, M. Watanabe, T. Morishita, J. Ohshita, A. Kunai, Straightforward construction of diarylmethane skeletons via aryne insertion into carbon-carbon sigma-bonds, Chem. Commun., 1505-1507 (2007). doi: 10.1039/b616768c

15. 大下浄治,π電子系機能へのケイ素置換基の効果と新規高分子材料への応用,日本接着学会誌,43,32-38 (2007).


1. Y. W. Kwak, I. S. Lee, M. K. Baek, U. Lee, H. J. Choi, M. Ishikawa, A. Naka, J. Ohshita, K.-H. Lee, A. Kunai, Palladium-Catalyzed Reactions of 4,4,5,5-Tetramethyl-2,7-bis(trimethylsilyl) dithieno[3,2-c : 2 ',3 '-e]disilacyclohexadiene with Alkynes, Organometallics, 25, 48-53 (2006). doi: 10.1021/om050375z

2. Y. Harima, D.-H. Kim, Y. Tsutitori, X. Jiang, Y. Ooyama, J. Ohshita, A. Kunai, Influence of extended π-conjugation units on carrier mobilities in conducting polymers, Chem. Phys. Lett., 420, 387-390 (2006). doi: 10.1016/j.cplett.2006.01.009

3. D.-H. Kim, J. Ohshita, Y. Kunugi, A. Kunai, Synthesis of Silicon-Bridged Oligothiophenes and Applications to Thin Film Transisters, Chem. Lett., 35, 266-267 (2006). doi: 10.1246/cl.2006.266

4. J. Ohshita, H. Takahashi, A. Kunai, K. Komaguchi, A. Naka, M. Ishikawa, Kinetic studies on Brook-type isomerization of acylpolysilanes to silenes, J. Organomet. Chem., 691, 541-544 (2006). doi: 10.1016/j.jorganchem.2005.09.023

5. J. Ohshita, Y. Izumi, Z. Lu, J. Ikadai, A. Kunai, Ring-opening reactions of cyclic ethers with diiodo- and dibromodimethylsilane equivalents, J. Organomet. Chem., 691, 1907-1911 (2006). doi: 10.1016/j.jorganchem.2006.01.010

6. J. Ohshita, T. Uemura, T. Inoue, K. Hino, A. Kunai, Preparation of Poly(silylene-p-phenylene)s Bearing a Benzocrown Pendant Group and Their Iono- and Solvatochromic Behavior in the Emission Spectra, Organometallics, 25, 2225-2229 (2006). doi: 10.1021/om0506015

7. D.-H. Kim, J. Ohshita, K.-H. Lee, Y. Kunugi, A. Kunai, Synthesis of -Conjugated Oligomers Containing Dithienosilole Units, Organometallics, 25, 1511-1516 (2006). doi: 10.1021/om0510122

8. J. Ohshita, R. Taketsugu, K. Hino, A. Kunai, Synthesis and reactions of poly[(ethoxysilylene)phenylenevinylene]s and chain-to-pendant energy transfer in the resulting polymer, J. Organomet. Chem., 691, 3065-3070 (2006). doi: 10.1016/j.jorganchem.2006.03.021

9. J. Ohshita, T. Iida, Y. Izumi, A. Kunai, Synthesis of Poly[(cyanophenyl)silylene-p-phenylene]s as Patternable Ceramic Precursors, J. Cer. Soc., Jpn., 114, 529-532 (2006). doi: 10.2109/jcersj.114.529

10. S. Nagaoka, U. Nagashima, J. Ohshita, Chemical Shifts in ESCA and NMR: The Case of Bridged Trichlorosilyl-Trimethylsilyl Molecules, Bull. Chem. Soc. Jpn., 79, 537-548 (2006). doi: 10.1246/bcsj.79.537

11. J. Ohshita, H. Ohnishi, A. Naka, N. Senba, J. Ikadai, A. Kunai, H. Kobayashi, M. Ishikawa, Silicon-Carbon Unsaturated Compounds. 71. Thermolysis of 1,2-Bis(acyl)tetrakis (trimethylsilyl)disilane with Di-Substituted Acetylenes, Organometallics, 25, 3955-3962 (2006). doi: 10.1021/om060458v

12. M. Fujitsuka, D.-W. Cho, J. Ohshita, A. Kunai, T. Majima, Singlet Energy Migration along Alternating Block Copolymer of Oligothiophene and Oligosilylene in Solution, J. Phys. Chem. B, 110, 12446-12450 (2006). doi: 10.1021/jp054819g

13. H. Yoshida, H. Fukushima, J. Ohshita, A. Kunai, CO2 Incorporation Reaction Using Arynes: Straightforward Access to Benzoxazinone, J. Am. Chem. Soc., 128, 11040-11041 (2006). doi: 10.1021/ja064157o

14. H. Yoshida, S. Nakano, Y. Yamaryo, J. Ohshita, A. Kunai, Palladium-Catalyzed Distannylation of ortho-Quinodimethanes, Org. Lett., 8, 4157-4159 (2006). doi: 10.1021/ol0617345


1. X. Jiang, R. Patil, Y. Harima, J. Ohshita, A. Kunai, Influences of self-assembled structure on mobilities of charge carriers in pi-conjugated polymers, J. Phys. Chem., 109, 221-229 (2005). doi: 10.1021/jp0460994

2. K.-H. Lee, J. Ohshita, K. Kimura, Y. Kunugi, A. Kunai, Synthesis of oligomers having a pendant dithienosilole unit and their applications to EL device materials, J. Organomet. Chem., 690, 333-337 (2005). doi: 10.1016/j.jorganchem.2004.09.039

3. J. Ohshita, T. Uemura, D.-H. Kim, A. Kunai, Y. Kunugi, M. Kakimoto, Preparation of Poly(silylene-p-phenylene)s Containing a Pendant Fluorophor and Their Applications to PL Imaging, Macromolecules, 38, 730-735 (2005). doi: 10.1021/ma040108p

4. J. Ohshita, H. Arase, T. Sumida, N. Mimura, K. Yoshimoto, Y. Tada, Y. Kunugi, Y. Harima, A. Kunai, Preparation of polymers containing Fe(0)-coordinated 2,5-diethynylsilole units, Inorg. Chim. Acta, 358, 4156-4162 (2005). doi: 10.1016/j.ica.2005.01.017

5. J. Ikadai, H. Yoshida, J. Ohshita, A Kunai, Facile Synthesis of Polycyclic Aromatic Hydrocarbons via a Trisaryne Equivalent, Chem. Lett., 34, 56-57 (2005). doi: 10.1246/cl.2005.56

6. H. Yoshida, J. Ikadai, M. Shudo, J. Ohshita, A. Kunai, Addition of Silicon-Silicon σ-Bonds to Arynes or Bisarynes Catalyzed by a Palladium Complex, Organometallics, 24, 156-162 (2005). doi: 10.1021/om049276w

7. S. Nagaoka, Y. Tanemori, M. Hino, T. Kakiuchi, J. Ohshita, K. Okada, T. Ibuki, I.H. Suzuki, Site-Specific Fragmentation Caused by Si:1s Core-Level Photoionization of F3SiCH2CH2Si(CH3)3 Vapor, Chem. Phys. Lett., 412, 459-463 (2005). doi: 10.1016/j.cplett.2005.07.044

8. J. Ohshita, T. Uemura, T. Inoue, T. Iida, A. Kunai, Synthesis of Silicon-Bridged Benzocrown Ethers and Their Ionochromism in the Emission Spectra Arising from Intramolecular - Stacking, Organometallics, 24, 2570-2576 (2005). doi: 10.1021/om0400907

9. J. Ohshita, D. Hamamoto, Y. Kimura, A. Kunai, Anodic Polymerization of Dithienosilole and Electroluminescent Properties of the Resulting Polymer, J. Organomet. Chem., 690, 3027-3032 (2005). doi: 10.1016/j.jorganchem.2005.03.039

10. H. Yoshida, M. Watanabe, J. Ohshita, A. Kunai, Facile Insertion Reaction of Arynes into Carbon-Carbon Sigma-Bonds, Chem. Commun., 3292-3294 (2005). doi: 10.1039/B505392G

11. H. Yoshida, T. Minabe, J. Ohshita, A. Kunai, Facile Aminosilylation of arynes with aminosilanes: synthesis of 2-silylaniline, Chem. Commun., 3454-3456 (2005). doi: 10.1039/B505615B

12. J. Ohshita, D. Nada, Y. Tada, Y. Kimura, H. Yoshida, A. Kunai, Y. Kunugi, Sonogashira-Type Coupling of Diethynylsilane and Dibromoarene in Wet Solvent for the Formation of Poly[(ethynylenearylene)-co-(diethynylenesilylenearylene)], J. Organomet. Chem., 690, 3951-3956 (2005). doi: 10.1016/j.jorganchem.2005.05.029

13. J. Ohshita, D.-H. Kim, Y. Kunugi, A. Kunai, Synthesis of Organosilanylene-Oligothienylene Alternate Polymers and Their Applications to EL Device and FET Materials, Organometallics, 24, 4494-4496 (2005). doi: 10.1021/om050189t

14. H. Yoshida, M. Watanabe, J. Ohshita, A. Kunai, Aryne Insertion into -Cyanocarbonyl Compounds: Direct Introduction of Carbonyl and Cyanomethyl Moieties into the Aromatic Skeletons, Tetraheron Lett., 46, 6729-6731 (2005). doi: 10.1016/j.tetlet.2005.07.119

15. S. Nagaoka, A. Tamura, A. Fujii, J. Ohshita, K. Okada, T. Ibuki, I. H. Suzuki, H. Ohhashi, Y. Tamenori, Site-specific fragmentation caused by core-level photoexcitation: Comparison between Si:1s and 2p photoexcitations in F3SiCH2CH2Si(CH3)3 vapor, International, Journal of Mass Spectrometry, 257, 101-105 (2005). doi: 10.1016/j.ijms.2005.10.003

16. A. Naka, H. Ohnishi, J. Ohshita, J. Ikadai, A. Kunai, M. Ishikawa, Silicon-carbon Unsaturated Compounds. 70. Thermolysis and Photolysis of Acylpolysilanes with Mesitylacetylene, Organometallics, 24, 5356-5363 (2005). doi: 10.1021/om050174v

17. H. Yoshida, K. Tanino, J. Ohshita, A. Kunai, Palladium-catalysed dimerisation-distannylation of arynes: synthesis and reaction of 2,2 '-distannylbiaryls, Chem. Commun., 5678-5680 (2005). doi: 10.1039/B511773A

18. H. Yoshida, M. Watanabe, J. Ohshita, A. Kunai, Carbophosphinylation of Arynes with Cyanomethyldiphenylphosphine Oxide, Chem. Lett., 34, 1538-1539 (2005). doi: 10.1246/cl.2005.1538


1. J. Ohshita, T. Iida, M. Ikeda, T. Uemura, N. Ohta, A. Kunai, Synthesis of poly{[bis(diethynylphenyl)silylene]phenylene}s with highly heat-resistant properties and an application to conducting materials, J. Organomet. Chem., 689, 1540-1545 (2004). doi: 10.1016/j.jorganchem.2004.01.033

2. K. Komaguchi, T. Iida, Y. Goh, J. Ohshita, A. Kunai, M. Shiotani, An ESR study of dynamic biradicals of two TEMPOs bridged with -(SiMe2)n- (n = 1-4) in liquid solution, Chem. Phys. Lett., 387, 327-331 (2004). doi: 10.1016/j.cplett.2004.02.010

3. J. Ohshita, K.-H. Lee, D. Hamamoto, Y. Kunugi, J. Ikadai, Y.-W Kwak, A. Kunai, Synthesis of of Novel Spiro-Condensed Dithienosiloles and the Application to Organic FET, Chem. Lett., 33, 892-3 (2004). doi: 10.1246/cl.2004.892

4. H. Yoshida, H. Fukushima, J. Ohshita, A. Kunai, Arynes in a Three-Component Coupling Reaction: Straightforward Synthesis of Benzoannulated Iminofurans, Angew. Chem. Int. Ed. Engl, 43, 3935-3938 (2004). doi: 10.1002/anie.200460009

5. J. Ohshita, R. Taketsugu, Y. Nakahara, A. Kunai, Convenient synthesis of alkoxyhalosilanes from hydrosilanes, J. Organomet. Chem., 689, 3258-3264 (2004). doi: 10.1016/j.jorganchem.2004.07.048

6. K.-H. Lee, J. Ohshita, A. Kunai, Syntheis and Properties of Novel Dithienothiasiline Derivatives, Organometallics, 23, 5365-5371 (2004). doi: 10.1021/om0496479

7. H. Yoshida, M. Watanabe, H. Fukushima, J. Ohshita, A. Kunai, A 2:1 Coupling Reaction of Arynes with Aldehydes via 0-Quinone Methides: Straight Forward Synthesis of 9-Arylxanthenes, Org. Lett., 6, 4049-4051 (2004). doi: 10.1021/ol048298b

8. H. Yoshida, H. Fukushima, J. Ohshita, A. Kunai, Straightforward access to 2-iminoisoindolines via three-component coupling of arynes, isocyanides and imines, Tetrahedron Lett., 45, 8659-8662 (2004). doi: 10.1016/j.tetlet.2004.09.144

9. M. Yasui, M. Ikeda, K. Takimiya, J. Ohshita, S. Yamanaka, K. Inumaru, Aminopropyl-Glucose Sequentially Grafted Mesoporous Silica Nanocomposite as a Novel Boron Adsorbent, Chem. Lett., 33, 1582-2583 (2004). doi: 10.1246/cl.2004.1582

10. K.-H. Lee, J. Ohshita, A. Kunai, Syntheis and Properties of Bis(methylthio)dithienosilole and Its Oxides, Organometallics, 23, 5481-5487 (2004). doi: 10.1021/om049642b

11. J. Ohshita, K.-H. Lee, K. Kimura, A. Kunai, Synthesis of Siloles Condensed with Benzothiophene and Indole Rings, Organometallics, 23, 5622-5625 (2004). doi: 10.1021/om049656h

12. J. Ohshita, K. Kawashima, A. Iwata, H. Tang, M. Higashi, A. Kunai, Selective Substitution of Hex2SiFCl for the Preparation of Polymers with Two Different Alternate -Electron Systems Linked by Hex2Si Units, Z. Naturforschung, B, 59, 1332-1336 (2004).

13. H. Yoshida, K. Tanino, J. Ohshita, A. Kunai, Distannylation of strained carbon-carbon triple bonds catalysed by a palladium complex, Angew. Chem. Int. Ed., 43, 5052-5055 (2004). doi: 10.1002/anie.200460189

14. H. Yoshida, T. Terayama, J. Ohshita, A. Kunai, Thiostannylation of arynes with stannyl sulfides: synthesis and reaction of 2-(arylthio)arylstannanes, Chem. Commun., 1980-1981 (2004). doi: 10.1039/B405883F


1. J. Ohshita, T. Inoue, T. Iida, T. Uemura, A. Kunai, Synthesis of Silicon-Bridged Benzocrown Ethers as the Novel Ion-Sensing Chromophores Based on Sigma-Pai System, Silicon Chemistry, 2, 147-149 (2003). doi: 10.1023/B:SILC.0000046713.91798.4f

2. A transport study of poly(3-hexylthiophene) films with different regioregularities, Syn. Met., 135-136, 351-352 (2003). doi: 10.1016/S0379-6779(02)00541-6

3. A. Kunai, J. Ohshita, T. Iida, K. Kanehara, A. Adachi, K. Okita, Synthesis and Properties of Silicon-Bridged Bithiophenes and Application to EL Devices, Syn, Met., 137, 1007-1008 (2003). doi: 10.1016/S0379-6779(02)00854-8

4. J. Ohshita, K. Yoshimoto, M. Hashimoto, D. Hamamoto, A. Kunai, Y. Harima, Y. Kunugi, K. Yamashita, M. Kakimoto, M. Ishikawa, Synthesis of organosilanylene-pentathienylene alternating polymers and their application to the hole-transporting materials in double-layer electroluminescent devices, J. Organomet. Chem., 665, 29-32 (2003). doi: 10.1016/S0022-328X(02)02039-9

5. H. Yoshida, Y. Yamaryo, J. Ohshita, A. Kunai, Base-free oxidative homocoupling of arylboric esters, Tetrahedron Lett., 44, 1541-1544 (2003). doi: 10.1016/S0040-4039(03)00023-6

6. A. Iwata, Y. Toyoshima, T. Hayashida, T. Ochi, A. Kunai, J. Ohshita, PdCl2 and NiCl2-catalyzed hydrogen-halogen exchange for the convenient preparation of bromo- and iodosilanes and germanes, J. Organomet. Chem., 667, 90-95 (2003). doi: 10.1016/S0022-328X(02)02147-2

7. J. Ohshita, H. Takayama, M. Tamai, T. Iida, A. Kunai, Thermal Isomerization of an Acyl(ethenyl)disilane via 2-Siladiene Intermediates, Organometallics, 22, 2338-2341 (2003). doi: 10.1021/om020886a

8. J. Ohshita, H. Takayama, M. Ishikawa, A. Kunai, Thermal Isomerization of 1,2-Diadamantoyltetrakis(trimethylsilyl)disilane via a 2,3-Disilabutadiene Intermediate, J. Organomet. Chem., 672, 72-76 (2003). doi: 10.1016/S0022-328X(03)00143-8

9. J. Ohshita, N. Honda, K. Nada, T. Iida, T. Mihara, Y. Matsuo, A. Kunai, A. Naka, M. Ishikawa, Substitution Effects on the Thermal Extrusion of Silylenes from 1,1-Diarylsilacyclopropenes, Organometallics, 22, 2436-2441 (2003). doi: 10.1021/om020996h

10. H. Yoshida, J. Ikadai, M. Shudo, J. Ohshita, A. Kunai, Palladium-Catalyzed Bissilylation of Arynes with Cyclic Disilanes: Synthesis of Benzo-Annulated Disilacarbocycles, J. Am. Chem. Soc., 125, 6638-6639 (2003). doi: 10.1021/ja034571d

11. J. Ohshita, K. Yoshimoto, Y. Tada, Y. Harima, A. Kunai, Y. Kunugi, K. Yamashita, Hole-Transporting Properties of Organosilanylene-Diethynylpyrene and Diethynylanthracene Alternating Polymers. Applications to Patterning of Light-Emitting Images, J. Organomet. Chem., 678, 33-38 (2003). doi: 10.1016/S0022-328X(03)00394-2
12. J. Ohshita, M. Hashimoto, K.-H. Lee, H. Yoshida, A. Kunai, Synthesis of organosilanylene-thienylene alternating oligomers bearing ether side chains, J. Organomet. Chem., 682, 267-271 (2003). doi: 10.1016/j.jorganchem.2003.07.009

13. T. Iida, J. Ohshita, K. Komaguchi, Y. Itagaki, M. Shiotani, A. Kunai, Spin-spin interaction between phenoxy radicals through σ-π System, J. Organomet. Chem., 688, 192-199 (2003). doi: 10.1016/j.jorganchem.2003.09.004

14. H. Yoshida, Y. Yamaryo, J. Ohshita, A. Kunai, Activator-free oxidative homocoupling of organosilanes catalysed by a palladium-DPPP complex, Chem. Commun., 1510-1511 (2003). doi: 10.1039/B303852A

15. A. Kunai, J. Ohshita, Selective synthesis of halosilanes from hydrosilanes and utilization for organic synthesis, J. Organomet. Chem., 686 3-15 (2003). doi: 10.1016/S0022-328X(03)00254-7


1. J. Ohshita, H. Kai, T. Sumida, A. Kunai, A. Adachi, K. Sakamaki, K. Okita, Synthesis of novel bithiophene derivatives with an organosilanylene bridge, and their applications to electron-transporting materials in EL devices, J. Organomet. Chem., 642, 137-142 (2002). doi: 10.1016/S0022-328X(01)01257-8

2. S. Nagaoka, T. Fujibuchi, J. Ohshita, U. Nagashima, I. Koyano, Si:2p site-specific excitation and fragmentation of bridged trihalosilyltrimethylsilyl molecules: role of the bridge and final-state effect, Chem. Phys., 276 (3), 243-256 (2002). doi: 10.1016/S0301-0104(01)00656-5

3. L. Zhu, H. Tang, Y. Harima, K. Yamashita, J. Ohshita, A. Kunai, Metallophthalocyanine films as hole-transport layer in organic light-emitting devices, Syn. Met., 126, 331-335 (2002). doi: 10.1016/S0379-6779(01)00580-X

4. J. Ohshita, T. Iida, N. Ohta, K. Komaguchi, M. Shiotani, A. Kunai, Synthesis of Phenylnitroxides Bridged by an sp3-Likage, Org. Lett., 4, 403-406 (2002). doi: 10.1021/ol017093p

5. A. Iwata, J. Ohshita, H. Tang, A. Kunai, Y. Yamamoto, C. Matui, Ring-Opening Iodo- and Bromosilation of Lactones for the Formation of Silyl Haloalkanoates, J. Org. Chem., 67, 3927-3929 (2002). doi: 10.1021/jo011153n

6. Iwata, H. Tang, A. Kunai, J. Ohshita, Y. Yamamoto, C. Matui, Ring-Opening Reactions of Cyclic Acetals and 1,3-Oxazolidines with Halosilane Equivalents, J. Org. Chem., 67, 5170-5175 (2002). doi: 10.1021/jo020019f

7. J. Ohshita, K.–H. Lee, M. Hashimoto, Y. Kunugi, Y. Harima, K. Yamashita, A. Kunai, Preparation of 4,4-Diaryl-2-(tricyanoethenyl)dithienosiloles and Vapor-Chromic Behavior of the Film, Org. Lett., 4, 1891-1894 (2002). doi: 10.1021/ol025889y

8. M. Ishikawa, S. Shirai, A. Naka, H. Kobayashi, J. Ohshita, A. Kunai, Y. Yamamoto, S.-H. Cha, K. K. Lee, Y. –W. Kwak, Young-Woo, Silicon-Carbon Unsaturated Compounds. 66. Photolysis of cis- and trans-1,2-Dimethyl-1,2-diphenyl-1,2-disilacyclohexane in the Presence of Isobutene, Organometallics, 21, 4206-4211 (2002). doi: 10.1021/om020316a

9. X. Jiang, Y. Harima, K. Yamashita, Y. Tada, J. Ohshita, A. Kunai, Doping-induced change of carrier mobilities in poly(3-hexylthiophene) films with different stacking structures, Chem. Phys. Lett., 364, 616-620 (2002). doi: 10.1016/S0009-2614(02)01383-0

10. T. Iida, T. Uemura, H. Fukuoka, N. Ohta, K. Komaguchi, Y. Itagaki, M. Shiotani, S. Yamanaka, A. Kunai, J. Ohshita, Spin-Spin Interaction between Phenyl Nitroxides through  System, Silicon Chemistry, 1, 383-389 (2002). doi: 10.1023/B:SILC.0000025597.03015.71


1. M. Ishikawa, J. Ikadai, A. Naka, J. Ohshita, A. Kunai, K. Yoshizawa, S. -Y. Kang, T. Yamabe, Synthesis and Stereochemistry of cis- and trans-3,4-Benzo-1,2-di (tert-butyl)-1,2-dimethyl1,2-disilacyclobutene, Organometallics, 24, 1059-1061 (2001). doi: 10.1021/om000909q

2. J. Ohshita, M. Tamai, H. Sakurai, A. Kunai, Reactions of Lithium Silenolates with Acetylenes, Formation and Characterization of 2-Siladienes, Organometallics, 20, 1065-1070 (2001). doi: 10.1021/om000851f

3. L. Zhu, H. Tang, Y. Harima, Y. Kunugi, K. Yamashita, J. Ohshita, A. Kunai, Electrochemical Properties of Oligothienylene-Oligosilanylene Block Copolymers: Influeneces of Block Sizes, J. Appl. Electrochem., 31, 175-180 (2001). doi: 10.1023/A:1004109919790

4. K. Sakamaki, J. Ohshita, A. Kunai, H. Nakao, A. Adachi, K. Okita, Synthesis and properties of  conjugated alternating polymers consisting of carbazole and organosilicon units, Appl. Organomet. Chem., 15, 604-612 (2001). doi: 10.1002/aoc.171

5. J. Ohshita, A. Iwata, H. Tang, Y. Yamamoto, C. Matui, A. Kunai, Ring-Opening Reactions of Alkanone Acetals with Iodosilane Equivalents for the Formation of Siloxyalkyl Enol Ethers, Chem. Lett., 740-741 (2001). doi: 10.1246/cl.2001.740

6. J. Ohshita, M. Hashimoto, T. Iida, H. Tang, A. Kunai, Synthesis of Organosilanylene-Thienylene Alternating Oligomers Bearing Ether Side Chains. Peculiar Solvatochromic Behavior in their Fluorescence Spectra, Organometallics, 20, 4295-4297 (2001). doi: 10.1021/om0102753

7. J. Ohshita, Y. Toyoshima, A. Iwata, H. Tang, A. Kunai, Selective Synthesis of Chlorohydrogermanes from Mono-, Di-, and Trihydrogermanes, Chem. Lett., 886-887 (2001). doi: 10.1246/cl.2001.886

8. J. Ohshita, H. Sakurai, S. Masaoka, M. Tamai, A. Kunai, M. Ishikawa, Reactions of Lithium Silenolates with Benzophenone, J. Organomet. Chem., 633, 131-136 (2001). doi: 10.1016/S0022-328X(01)01071-3

9. J. Ohshita, K. Yoshimoto, T. Iida, A. Kunai, Oxa-Cope Rearrangement of Silenes Thermally Generated from 1,2-Bis[tris(trimethylsilyl)silylcarbonyl]alkanes, J. Am. Chem. Soc., 123, 8400-8401 (2001). doi: 10.1021/ja0109646

10. J. Ohshita, H. Kai, A. Takata, T. Iida, A. Kunai, N. Ohta, K. Komaguchi, M. Shiotani, A. Adachi, K. Sakamaki, K. Okita, Effects of Conjugated Substituents on the Optical, Electrochemical, and Electron-Transporting Properties of Dithienosiloles, Organometallics, 20, 4800-4805 (2001). doi: 10.1021/om0103254

11. K. Sakamaki, J. Ohshita, A. Kunai, H. Nakao, A. Adachi, K. Okita, Synthesis and properties of novel σ-π alternating polymers with triphenylamine and organosilicon units, Appl. Organomet. Chem., 15, 939-946 (2001). doi: 10.1002/aoc.248

12. Y. Itagaki, T. Iseoka, T. Iida, J. Ohshita, M. Shiotani, A. Kunai, An ESR Study on Structures of a Series of Silylnitrenes, Chem. Phys. Lett., 348, 249-254 (2001). doi: 10.1016/S0009-2614(01)01112-5

13. L. Zhu, H. Tang, Y. Harima, Y. Kunugi, K. Yamshita, J. Ohshita, A. Kunai, A relation ship between driving voltage and highest occupied molecular orbital level of hole-transporting metallophthalocyanine layer for organic electroluminescence devices, Thin Solid Films, 396, 213-218 (2001). doi: 10.1016/S0040-6090(01)01232-9

14. A. Kunai, T. Ochi, A. Iwata, J. Ohshita, Synthesis of Bromohydrosilanes: Reactions of Hydrosilanes with CuBr2 in the Presence of CuI, Chem. Lett., 1228-1229 (2001). doi: 10.1246/cl.2001.1228

15. M. Ishikawa, H. Teramura, K.-K. Lee, W. Schneider, A. Naka, H. Kobayashi, Y. Yamaguchi, M. Kikugawa, J. Ohshita, A. Kunai, H. Tang, Y. Harima, T. Yamabe, T. Takeuchi, Nanosized, Starlike Silicon Compounds. Synthesis and Optical Properties of Tris[(tert-butyldimethylsilyl) oligothienylenedimethylsilyl] methylsilanes, Organometallics, 20, 5331-5341 (2001). doi: 10.1021/om010483v

16. 大下浄治,ケイ素−π電子系交互分子の合成と機能開発, 有機合成化学協会誌,59, 11-22 (2001). doi: 10.5059/yukigoseikyokaishi.59.11