2016 - 2019 Triplet Harvesting by Control of the Transition State
2016 - 2019 Development of New Super-organic-donor Reagents by Photo-activation and Their Application to Photo-catalysts
2003 - 2005 Control of the Reactivity of Ketyl Radicals through Acid-Base Interaction with Proton and Metal Ions
2002 - 2003 電子移動反応のための多機能含窒素複素環化合物の開発
2002 - 2003 Efficient Methods for Asymmetric Synthesis Based on Asymmetric Transmission via Sigmatropic Rearrangements
2001 - 2001 含窒素複素環化合物を用いる可視光利用環元反応系の開発
1998 - 2000 PHOTOINDUCED TRANSFORMATION OF CARBONYL COMPOUNDS UTILIZING SELECTIVE INTERACTION WITH AMINES
1996 - 1996 含窒素複素環化合物を利用する新規光還元反応系の開発
1995 - 1995 光誘起電子移動過程を利用する高効率,高選択的還元反応の開発
1993 - 1993 新規有機イオンラジカル反応プローブの開発
1989 - 1989 光電子移動過程を利用する炭素-炭素結合形成反応に関する研究
Show all
Papers (91)：
Ryo Miyajima, Yuuki Ooe, Tomoaki Miura, Tadaaki Ikoma, Hajime Iwamoto, Shin-ya Takizawa, Eietsu Hasegawa. Triarylamine-Substituted Benzimidazoliums as Electron Donor-Acceptor Dyad-Type Photocatalysts for Reductive Organic Transformations. Journal of the American Chemical Society. 2023. 145. 18. 10236-10248
Tsukasa Tanaka, Takehiro Kiuchi, Yuuki Ooe, Hajime Iwamoto, Shin-ya Takizawa, Shigeru Murata, Eietsu Hasegawa. A Photocatalytic System Composed of Benzimidazolium Aryloxide and Tetramethylpiperidine 1-Oxyl to Promote Desulfonylative α-Oxyamination Reactions of α-Sulfonylketones. ACS Omega. 2022. 7. 5. 4655-4666
Eietsu Hasegawa, Shyota Nakamura, Kazuki Oomori, Tsukasa Tanaka, Hajime Iwamoto, Kan Wakamatsu. Competitive Desulfonylative Reduction and Oxidation of α-Sulfonylketones Promoted by Photoinduced Electron Transfer with 2-Hydroxyaryl-1,3-dimethylbenzimidazolines under Air. The Journal of Organic Chemistry. 2021
Hajime Iwamoto, Yuki Ishizu, Eietsu Hasegawa, Ryo Sekiya, Takeharu Haino. Translational isomers of N-sulfonylated [3]catenane: synthesis and isomerization. Chemical Communications. 2021
Eietsu Hasegawa, Hiroyuki Tsuchida, Mutsuko Tamura. Cyclization and ring-expansion reactions involving reductive formation and oxidative ring-opening of cyclopropanol derivatives (vol 34, pg 1688, 2005). CHEMISTRY LETTERS. 2007. 36. 8. 1080-1080
Lectures and oral presentations (23)：
A photo-catalytic system of benzimidazolium aryloxide catalysts and TEMPO to promote -oxyamination reaction of carbonyl compounds
(The 14th International Symposium on Organic Reactions 2020)
Benzimidazolium aryloxides: These betaine molecules act as visible light promoted organic photoredox catalysts
(The 13th International Symposium on Organic Reactions 2018)
Significant solvent effects on copper(II) tetrafluoroborate promoted oxidative ring-opening reactions of bicyclic cyclopropyl silyl ethers
(The 12th International Symposium on Organic Reactions 2016)
Visible light promoted reductive transformation of various organic functional groups by using hydroxyaryl substituted benzimidazoline derivatives
(The 2016 Korea-Japan Symposium on Frontier Photoscience held at the 26th IUPAC Symposium on Photochemistry 2016)
- 1985 Tohoku University Graduate School of Science Department of Chemistry
- 1980 Yamagata University Faculty of Science Department of Chemistry
Professional career (1)：
理学博士 (東北大学)
Work history (8)：
2017/04 - 現在 Niigata University Faculty of Science Department of Science Professor
2010/04/01 - 現在 Niigata University Graduate School of Science and Technology Fundamental Sciences Professor
2006/06 - 2017/03 Niigata University Faculty of Science Department of Chemistry Professor
1992/04 - 2006/05 Niigata University Faculty of Science Department of Chemistry Associate Professor
1999/03 - 1999/03 Steacie Institute for Molecular Sciences, National Research Council Canada Visiting research associate
1992/03 - 1993/01 University of Pittsburgh, USA Department of Chemistry Visiting Associate Professor
1987/10/01 - 1992/03/31 Niigata University Faculty of Science Department of Chemistry Assistant
1986/02 - 1987/09 University of Maryland, USA Department of Chemistry Postdoctoral fellow
Show all
Association Membership(s) (5)：
THE CHEMICAL SOCIETY OF JAPAN
, THE SOCIETY OF SYNTHETIC ORGANIC CHEMISTRY, JAPAN
, THE JAPANESE PHOTOCHEMISTRY ASSOCIATION
, 有機電子移動化学研究会
, AMERICAN CHEMICAL SOCIETY
