Ohta Yoshihiro

Affiliation and department：

Research field (3)： Polymer chemistry , Bioorganic chemistry , Structural/physical organic chemistry

Research keywords (7)：高分子化学 , 有機化学 , ハイパーブランチポリマー , 多分岐高分子 , ブロック共重合体 , 精密重合 , 自己組織化

Research theme for competitive and other funds (6)：

2018 - 2021 Selective synthesis of pi-conjugated polymer with functional group at both ends by means of two different coupling reactions
2019 - 2020 ハイパーブランチポリマーを含むジブロック共重合体の自己組織化による新規ナノ構造体の創製
2018 - 2020 ハイパーブランチブラシブロック共重合体による新規フォトニック結晶の開発
2015 - 2018 Control of polymer ends of pi-conjugated alternating polymer via intra- and intermolecular catalyst transfer
2014 - 2016 ハイパーブランチポリマーの嵩高さを利用した新規リビングラジカル重合の開発

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Papers (74)：

Takayoshi Katoh, Reo Yamato, Yoshihiro Ohta, Tsutomu Yokozawa. Selective synthesis of cyclic-polymer-free poly(ether sulfone)s with OH ends or F ends by non-stoichiometric, reversible polycondensation. Polymer Chemistry. 2024. 15. 27. 2747-2752
Ryusuke Shimada, Yoshihiro Ohta, Tsutomu Yokozawa. Synthesis and end-group control of soluble, high-molecular-weight hyperbranched poly(phenylene thienylene)s by non-stoichiometric A2 + B3 Suzuki-Miyaura polycondensation without gelation. European Polymer Journal. 2024. 214. 113155-113155
Natsumi Harada, Rina Yachida, Ryusuke Shimada, Takayoshi Katoh, Sena Hashimoto, Yoshihiro Ohta, Izumi Iwakura, Tsutomu Yokozawa. Intramolecular catalyst transfer on silylene group between benzene rings in Suzuki-Miyaura coupling reaction: synthesis of σ-π conjugated cyclic polymers. Polymer Journal. 2024. 56. 777-781
Reo Nitto, Yoshihiro Ohta, Tsutomu Yokozawa. Suzuki-Miyaura Catalyst-Transfer Condensation Polymerization for the Synthesis of Polyphenylene with Ester Side Chain by Using Stable, Reactive 1,1,2,2-Tetraethylethylene Glycol Boronate (B(Epin)) Monomer. Macromolecules. 2024. 57. 3. 985-990
Ryouichi Okabayashi, Ken-ichiro Shirai, Ryo Ohba, Takayoshi Katoh, Yoshihiro Ohta, Tsutomu Yokozawa. Introduction of end groups into cyclic poly(ether sulfone) by means of transetherification with bis(aryloxyphenyl) sulfone. Journal of Polymer Science. 2023. 62. 7. 1323-1330

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Books (8)：

Macromolecular Engineering: From Precise Synthesis to Macroscopic Materials and Applications
2022 ISBN:3527344551
Topological polymer chemistry : concepts and practices
Springer Nature Singapore 2022 ISBN:981166806X
環状高分子の合成と機能発現 (新材料・新素材シリーズ)
シーエムシー出版 2019 ISBN:478131399X
Conjugated objects : developments, synthesis, and applications
Pan Stanford Publishing 2017 ISBN:9789814774031
Semiconducting Polymers: Controlled Synthesis and Microstructure (Polymer Chemistry Series)
2016 ISBN:1782620346

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Professional career (1)：

Committee career (2)：

2016/09 - 2016/09 第 65 回高分子討論会運営委員
2011/09 - 2011/09 The 3rd Asian Symposium on Advanced Materials: Chemistry & Physics of Functional Materials (ASAM-3) Organizing Committee Member

Association Membership(s) (2)：

THE SOCIETY OF POLYMER SCIENCE , THE CHEMICAL SOCIETY OF JAPAN

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