太田 哲 (オオタ アキラ)   

学術研究院(理学系)

理学部 理学科 化学コース 

教授 

学位

  • 博士(理学)

研究キーワード

    構造有機化学, 有機機能化学

研究分野

  • 構造有機化学、物理有機化学, 有機化学

メールアドレス

    aohta★shinshu-u.ac.jp

経歴

  • 2017年
    信州大学 理学部 教授
  • 2008年 - 2017年
    信州大学 理学部 准教授
  • 2007年 - 2008年
    信州大学 理学部 助教
  • 1997年 - 2007年
    信州大学 理学部 助手
  • 1996年 - 1997年
    日本学術振興会 特別研究員
  • 1996年 - 1996年
    分子科学研究所 特別協力研究員

学歴

  • 1996年, 総合研究大学院大学, 数物科学研究科
  • 1993年, 信州大学大学院, 理学研究科
  • 1991年, 信州大学, 理学部

論文

  • Molecular Transformation to Pyrroles, Pentafulvenes, andPyrrolopyridines by [2+2] Cycloaddition of Propargylamines withTetracyanoethylene
    T. Shoji, S. Takagaki, Y. Ariga, A.Yamazaki, M. Takeuchi, A. Ohta, R. Sekiguchi, S.i Mori, T. Okujima, S. Ito
    Chem. Eur. J., 26, 1931-1935, 2020年
  • Synthesis of phthalimides cross-conjugated with an azulene ring, and their structural, optical and electrochemical properties
    T. Shoji, N. Iida, A. Yamazaki Y. Ariga, A. Ohta, R. Sekiguchi, T. Nagahata, T. Nagasawa, S. Ito
    Org. Biomol. Chem., 18, 2274-2282, 2020年
  • Synthesis of 6-Amino- and 6-Arylazoazulenes via Nucleophilic Aromatic Substitution and Their Reactivity and Propertie
    T. Shoji, S. Sugiyama, M. Takeuchi, A. Ohta, R. Sekiguchi, S.i Ito, T. Yatsu, T. Okujima, M. Yasunami
    J. Org. Chem., 84, 1257-1275, 2019年
  • Synthesis of azulenophthalimides by phosphine-mediated annulation of 1,2-diformylazulenes with maleimides
    T. Shoji, T. Araki, N. Iida, K. Miura, A. Ohta, R. Sekiguchi, S. Ito, T. Okujima
    Org. Chem. Front., 6, 195-204, 2019年
  • Synthesis of azuleno[2,1-b]thiophenes by cycloaddition of azulenylalkynes with elemental sulfur and their structural, optical and electrochemical properties
    T. Shoji, K. Miura, A. Ohta, R. Sekiguchi, S. Ito, Y. Endo, T. Nagahata, S. Mori, T. Okujima
    Org. Chem. Front., 6, 2801-2811, 2019年
  • Synthesis of azulene-substituted benzofurans and isocoumarins via intramolecular cyclization of 1-ethynylazulenes, and their structural and optical properties.
    T. Shoji; M. Tanaka; S. Takagaki; K. Miura; A. Ohta; R. Sekiguchi; S. Itoi; S. Mori; T. Okujima.
    Org. Biomol. Chem., 16, 480-489, 2018年
  • Molecular Transformation of 2-Methylazulenes: An Efficient and Practical Synthesis of 2-Formyl- and 2-Ethynylazulenes.
    T. Shoji; T. Araki; N. Iida; Y. Kobayashi; A. Ohta; R. Sekiguchi; S. Itoi; S. Mori; T. Okujima; Y. Yasunami.
    Eur. J. Org. Chem., 2018, 1145-1157, 2018年
  • Synthesis of 2-Methyl-1-azulenyl Tetracyanobutadienes and Dicyanoquinodimethanes: Substituent Effect of 2-Methyl Moiety on the Azulene Ring toward the Optical and Electrochemical Properties.
    T. Shoji; K. Miura; T. Araki; A. Maruyama; A. Ohta; R. Sekiguchi; S. Itoi; T. Okujima.
    J. Org. Chem., 83, 6690-6705, 2018年
  • Micropore Formation of [Zn2(Oxac) (Taz)2]·(H2O)2.5 via CO2 Adsorption
    M. Zubir, A.Hamasaki, T. Iiyama, A. Ohta, H. Ohki, S. Ozeki
    LANGMUIR, 33, 680-684, 2017年
  • Synthesis of 2-Azulenyltetrathiafulvalenes by Palladium-Catalyzed Direct Arylation of 2-Chloroazulenes with Tetrathiafulvalene and Their Optical and Electrochemical Properties
    T. Shoji, T. Araki, S. Sugiyama, A. Ohta, R. Sekiguchi, S. Ito, T. Okujima, K. Toyota
    J. Org. Chem., 82, 1657-1665, 2017年
  • Synthesis of 2-Aminofurans by Sequential [2+2] Cycloaddition-Nucleophilic Addition of 2-Propyn-1-ols with Tetracyanoethylene and Amine-Induced Transformation into 6-Aminopentafulvenes
    T. Shoji, D. Nagai, M. Tanaka, T. Araki, A. Ohta, R. Sekiguchi, S. Ito, S. Mori, T. Okujima
    Chem. Eur. J., 23, 5126-5136, 2017年
  • Synthesis of 2-amino- and 2-arylazoazulenes via nucleophilic aromatic substitution of 2-chloroazulenes with amines and arylhydrazines
    T. Shoji, S. Sugiyama, T. Araki, A. Ohta, R. Sekiguchi, S. Ito, S. Mori, T. Okujima, M. Yasunami
    Org. Biomol. Chem., 15, 3917-3923, 2017年
  • Synthesis of azulene-substituted tetraarylpyrroles by reaction of 1-azulenyl ketones with benzoin and ammonium acetate.
    T. Shoji; S. Takagaki; M. Tanaka; T. Araki; S. Sugiyama; R. Sekiguchi; A. Ohta; S. Itoi; T. Okujima.
    Heterocycles, 94, 1870-1883, 2017年
  • Magnetic Field Control of Micropore Formation in [Zn2(Oxac)(Taz)2]·(H2O)x
    M. Zubir, A. Hamasaki, T. Iiyama, A. Ohta, H. Ohki, and S. Ozeki,
    Chem. Lett., 45, 362-364, 2016年
  • Synthesis and Stability of 1,1-Diphenyl-1H-azulenium Cation
    M. Oda, N. Nakajima, Y. Kumai, A. Ohta, R. Miyatake, and S. Kuroda
    Am. J. Org. Chem., 6, 8-16, 2016年
  • Novel Synthetic Methods for Disubstituted Pyrroles from Pyrrolidine and 2-Substituted 1-Pyrrolines
    M. Oda, S. Ito, Y. Fukuchi, S. Kato, Y. Fujiwara, Y. Kumai, K. Ariyasu, A. Ohta, S. Kuroda, and R. Miyatake
    IJSRSET, 2, 424-435, 2016年
  • REDOX RESPONSIVE POLYMER INCORPORATED WITH MESOGENIC UNIT AND BIS(BENZODITHIOLYL)BITHIENYL SCAFFOLD
    Toshihiro Ohtake, Hideki Tanaka, Tetsuro Matsumoto, Mutsumi Kimura, and Akira Ohta
    Heterocycles, 90(2), 811-818, 2015年, 査読有り
  • Synthesis and Properties of 2,6-Bis(1-Azaazulen-2-yl)-Pyridine
    M. Oda, Y. Yamaga, Y. Kumai, A. Ohta, and R. Miyatake
    Mod. Chem., 2, 14-17, 2015年
  • Synthesis and Spectrocsopic Properties of 1H-Cyclohepta[2,1-b:3,4-b’]diindole and Molecular Structure of its Protonated Species
    Y. Kumai, R. Miyatake, Y. Sugeno, A. Ohta, and Mitsunori Oda
    Am. J. Org. Chem., 5, 10-13, 2015年
  • A Short-Step Synthesis of syn-1,6:8,13-Dimethano[14]annulene Dicarboximides
    M. Oda, M. Neha, Y. Kumai, A. Ohta, R. Miyatake, Y. Zhang, and S. Kuroda
    Am. J. Org. Chem., 5, 105-111, 2015年
  • Unusually Efficient Deformylative Synthesis of 1,2,8,9-Tetrasubstituted Dipyrrins from 4,5-Disubstituted Pyrrole-2-carbaldehydes
    Mitsunori Oda, Yurie Fujiwara, Yoshimitsu Kumai, Akira Ohta, and Ryuta Miyatake
    Heterocycles, 90, 238-251, 2015年, 査読有り
  • An improved synthesis of arenedicarboximides by phosphine-assisted annulation of arene-1,2-dicarbaldehyde with N-Substituted maleimide
    M. Oda, H. Shimosasa, Y. Kumai, A. Ohta, and R. Miyatake
    Mod. Chem., 2, 29-35, 2014年
  • Deformation of Redox-Active Polymer Gel Based on Polysiloxane Backbone and Bis(benzodithiolyl)bithienyl Scaffold
    Toshihiro Ohtake, Hideki Tanaka, Tetsuro Matsumoto, Akira Ohta, and Mutsumi Kimura
    LANGMUIR, 30, 14680-14685, 2014年, 査読有り
  • A short-step synthesis of 1,6-methano[10]annulene-3,4-dicarboximides and their benzene-, naphthalene-, and thiophene-annulated compounds
    Mitsunori Oda, Tomomi Nakamura, Miyako Neha, Daisuke Miyawaki, Akira Ohta, Shigeyasu Kuroda and Ryuta Miyatake
    Eur. J. Org. Chem, 2014, 5976-5985, 2014年
  • Redox-Driven Molecular Switches Consisting of Bis(benzodithiolyl)bithienyl Scaffold and Mesogenic Moieties: Synthesis and Complexes with Liquid Crystalline Polymer
    Toshihiro Ohtake, Hideki Tanaka, Tetsuro Matsumoto, Mutsumi Kimura, and Akira Ohta
    J. Org. Chem., 74, 6590-6602, 2014年
  • Effects of Alkoxy Substitution on the Optical Properties of 9,10-Anthraquinone and Anthracene: 2,3,6,7-Tetrapropoxy-substituted vs. 2,6-Dipropoxy-substituted Derivatives
    A. Ohta, K. Hattori, Y. Kusumoto, T. Kawase, T. Kobayashi, H. Naito, and C. Kitamura
    Chem. Lett., 41, 674-676, 2012年, 査読有り
  • 2,3,6,7-Tetramethoxy-9,10-anthraquinone
    A. Ohta, K. Hattori, T. Kawase, T. Kobayashi, H. Naito, and C. Kitamura
    Acta Cryst., E68, o2587, 2012年, 査読有り
  • 2,6-Dimethoxy-9,10-anthraquinone
    A. Ohta, K. Hattori, T. Kobayashi, H. Naito, T. Kawase, C. Kitamura
    Acta Cryst., E68, o2843, 2012年, 査読有り
  • Out-of-plane deformation of the azulene ring along its short molecular axis in crystal and theoretical structures of 1,3-diheterolyl- and 1,3-diphenylazulenes
    A. Ohta, S. Kuroda,N. C. Thanh, K. Terasawa, K. Fujimori, K. Nakajima, and M. Oda
    Heterocycles, 79, 451-470, 2009年
  • Preparation of Azulene Substituted Pyrazine and Quinoxaline Derivatives
    N. Furuta, T. Mizutani, A. Ohta, and K. Fujimori
    Heterocycles, 77, 1079-1088, 2009年
  • Synthesis of 1,2-Azulenequinone Derivatives by Bromine-Oxidation
    H. Wakabayashi, O. Irinamihira, S. Shibata, T. Kurihara, Y. Uchiyama, A. Ohta, and K. Fujimori
    Heterocycles, 76, 1133-1140, 2008年
  • Preparation of new nitrogen-bridged heterocycles. 60. Syntheses and conformational analyses of bis(indolizin-1-yl) Disulfides
    A. Kakehi, H. Suga, H. Okuno, M. Okuhara, and A. Ohta
    Chem. Pharm. Bull., 55(10), 1458-1465, 2007年
  • Synthesis and properties of bis(1,3-Benzodithiole)-type redox systems containing a xylyl rotator unit: A new type of redox-responsive molecular rotor
    Y. Uchiyama, A. Ohta, and K. Fujimori
    Heterocycles, 74, 251-257, 2007年WebofScienceリポジトリ
  • Out-of-plane deformation of the azulene ring in crystal structures of simply substituted azulene derivatives.
    A. Ohta, N. C. Thanh, K. Terasawa, K. Fujimori, S. Kuroda, and M. Oda
    Tetrahedron Lett., 47(16), 2815-2819, 2006年WebofScience
  • Novel 9,10-bis(1,3-dithiol-2-ylidene)-9,10-dihydroanthracene derivatives bridged by a crown ether unit at the 1,8-positions: a new type of redox-switchable hosts undergoing reversible structural changes.
    A. Ohta, T. Numae, Y. Yamashita, and K. Fujimori
    Heterocycles, 67(2), 665-678, 2006年WebofScienceリポジトリ
  • Synthesis and properties of novel bis(1,3-benzodithiolium)-type dications containing a biaryl unit: new redox systems undergoing reversible structural changes by electron transfer.
    A. Ohta, C. Ueki, Y. Uchiyama, and K. Fujimori
    Heterocycles, 69(1), 365-375, 2006年WebofScienceリポジトリ
  • Poly(benzyl ether) dendrimers with strongly fluorescent distyrylbenzene cores as the fluorophores for peroxyoxalate chemiluminescence: insulating effect of dendritic structures on fluorescent sites.
    R. Koike, Y. Katayose, A. Ohta, J. Motoyoshiya,, Y. Nishii, and H. Aoyama
    Tetrahedron, 61(46), 11020-11026, 2005年WebofScienceリポジトリ電子ジャーナル
  • Preparation of azulenyllithium and magnesium reagents utilizing halogen-metal exchange reaction of several iodoazulenes with organolithium or magnesium ate complex
    S. Ito, T. Kubo, N. Morita, Y. Matsui, T. Watanabe, A. Ohta, K. Fujimori, T. Murafuji, Y. Sugihara, and A. Tajiri
    Tetrahedron Lett., 45(14), 2891-2894, 2004年
  • Preparation and structure of Di(2-azulenyl)ketene adducts. gamma-lactone and beta-lactam derivatives.
    S. Ito, H. Hamazaki, Y. Hirasawa, A. Ohta, K. Fujimori, N. Tanaka, and M. Shiro
    Heterocycles, 62, 463-478, 2004年
  • Preparation of new nitrogen-bridged heterocycles. 56. Syntheses and reactions of 1-[2,2-bis(alkylthio)-1-(ethoxycarbonylacetyl)vinyl]pyridinium salts.
    A. Kakehi, H. Suga, Y. Yamauchi, K.Yasuraoka, T. Kobayashi, and A. Ohta
    Chem. Pharm. Bull., 52(11), 1316-1321, 2004年WebofScience
  • Synthesis of azulenequinones fused with thiophene and furan.
    H. Matsuo, K. Fujimori, A. Ohta, A. Kakehi, M. Yasunami, and T. Nozoe
    Heterocycles, 61, 271-279, 2003年WebofScience
  • Preparation, structure, and properties of 1,3-bis-(1,4-dithiafulven-6-yl)azulenes.
    A. Ohta, K. Yamaguchi, N. Fujisawa, Y. Yamashita, and K. Fujimori
    Heterocycles, 54, 377-385, 2001年
  • Neighboring group effect of pyridazine and pyrazine rings for p -facial selectivity in the reactions of fused isopropylidenenorbornene systems with electrophilic reagents.
    T. Kobayashi,K. Miki, B. Nikaeen, andA. Ohta
    J. Chem. Soc., Perkin Trans. 1, 1372-1385, 2001年
  • Novel bis(1,3-dithiole) electron donors by oxidative intramolecular cyclization of 2,2'-bis(1,4-dithiafulven-6-yl)-3,3'-bithienyls.
    A. Ohta and Y. Yamashita
    Mol. Cryst. Liq. Cryst., 296, 1-18, 1997年
  • Preparation, properties, and oxidation of novel bis(1,3-dithiole)compounds containing a di(2-thienyl)methane unit
    A. Ohta and Y. Yamashita
    Heterocycles, 44, 263-276, 1997年
  • Oxidative intramolecular cyclization of 2,2'-bis(1,4-dithiafulven-6-yl)-3,3'-bithienyls affording novel bis(1,3-dithiole) electron donors.
    A. Ohta and Y. Yamashita
    J. Chem. Soc., Chem., Commun., 1761-1762, 1995年
  • Preparation and properties of bis[5-(6-methyl-1,4-dithiafulven-6-yl)-2-thienyl]methanes affording near-infrared absorbing cations by oxidation.
    A. Ohta and Y. Yamashita
    J. Chem. Soc., Chem., Commun., 557-558, 1995年
  • Preparation andproperties of tris(1,3-dithiole) donors containing thiophene spacer units.
    A. Ohta and Y. Yamashita
    Heterocycles, 40, 123-126, 1995年
  • Hetero-analogs of Hueckel degenerate systems and related compounds: preparation of thienyl-substituted fulvalene and electron-donating tetrathiafulvalene vinylogues and conductive complexes.
    A. Ohta, T. Kobayashi, and H. Kato,
    J. Chem. Soc., Perkin Trans. 1, (8), 905-911, 1993年WebofScience
  • Preparation of thienyl-substituted fulvalene and tetrathiafulvalene vinylogens as electron donors and conductive complexes derived from one of them.
    A. Ohta, T. Kobayashi, and H. Kato,
    J. Chem. Soc., Chem., Commun., (5), 431-432, 1993年WebofScience

担当経験のある科目_授業

  • 新入生ゼミナール
    信州大学
  • 情報科学演習
    信州大学
  • 有機化学 I
    信州大学
  • 有機化学III
    信州大学
  • 基礎化学実験
    信州大学
  • 先端科学特別講義
    信州大学
  • セミナー
    信州大学
  • 物質基礎科学セミナー(有機化学)
    信州大学
  • 基礎有機化学
    信州大学
  • アドバンス演習・実験・実習III
    信州大学
  • 有機化学II
    信州大学
  • 有機化学特論I
    信州大学
  • 化学概論II
    信州大学
  • グリーンサイエンス通論 I
    信州大学
  • 複素環化学
    信州大学
  • 有機化学実験
    信州大学

所属学協会

  • 日本化学会
  • 有機合成化学協会
  • 基礎有機化学会

共同研究・競争的資金等の研究課題

  • 有機酸化還元系を利用した応答性分子(酸化還元応答性ホスト、分子スイッチ等)および理論的に興味が持たれる化合物の合成と性質に関する研究