Takashi Otani

Profile Information

Affiliation: Associate Professor, Anan National College of Technology

ORCID ID: https://orcid.org/0000-0001-5673-516X
J-GLOBAL ID: 200901092701472209
researchmap Member ID: 1000364406

Research Areas

Life sciences / Bioorganic chemistry / organic materials chemistry, synthetic chemistry, heterocyclic chemistry
Nanotechnology/Materials / Structural/physical organic chemistry / organic materials chemistry, synthetic chemistry, heterocyclic chemistry

Research History

Apr, 2019 - Present

Associate Professor, Course of Chemical Engineering, National Institute of Technology, Anan College
Apr, 2015 - Mar, 2019

Lecturer, Course of Chemical Engineering, National Institute of Technology, Anan College
Sep, 2013 - Mar, 2015

Lecturer, Tokyo University of Science
Apr, 2012 - Aug, 2013

Research Associate, Department of Chemistry and Biochemistry, Waseda University
Apr, 2009 - Mar, 2012

RIKEN
Apr, 2007 - Mar, 2009

Assistant Professor, Department of Chemistry, Faculty of Science, Tokyo University of Science
Apr, 2001 - Mar, 2007

Research Associate, Department of Chemistry, Faculty of Science, Tokyo University of Science
Jan, 2000 - Mar, 2001

特別研究員（DC2）, 日本学術振興会特別研究員

Committee Memberships

Apr, 2014 - Mar, 2015

春季年会プログラム編成委員会, 日本化学会
Apr, 2013 - Mar, 2014

春季年会プログラム編成委員会, 日本化学会

Awards

Nov, 2011

BCSJ賞, 日本化学会

大谷卓

Papers

Synthesis and Chiroptical Properties of Quinoxaline‐Fused Polyaza[5]–[7]helicenes with Orange‐Color CPL Emissions

Takashi Otani, Takuma Sasayama, Masashi Horiuchi, Shunnosuke Okauchi, Hidetoshi Kawai, Maho Kitahara, Yoshitane Imai, Takanori Shibata

Helvetica Chimica Acta, 104(4), Apr, 2021
Short-step synthesis and chiroptical properties of polyaza[5]–[9]helicenes with blue to green-colour emission

Takashi Otani, Takuma Sasayama, Chisaki Iwashimizu, Kyalo Stephen Kanyiva, Hidetoshi Kawai, Takanori Shibata

Chemical Communications, 56(32) 4484-4487, Apr, 2020 Peer-reviewedLead author
Dibenzopyrrolo[1,2-a][1,8]naphthyridines: Synthesis and Structural Modification of Fluorescent L-Shaped Heteroarenes

Kotaro Tateno, Rie Ogawa, Ryota Sakamoto, Mizuho Tsuchiya, Noriki Kutsumura, Takashi Otani, Kosuke Ono, Hidetoshi Kawai, Takao Saito

Journal of Organic Chemistry, 83(2) 690-702, Jan 19, 2018 Peer-reviewed
Thermally Stable Monosubstituted Thiophene 1-Oxide and 1-Imides Stabilized by a Bulky Rind Group at Their 3-Position: Synthesis, Structure, and Inversion Barriers on the Sulfur Atom

Takashi Otani, Mayu Miyoshi, Takanori Shibata, Tsukasa Matsuo, Daisuke Hashizume, Kohei Tamao

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 90(6) 697-705, Jun, 2017 Peer-reviewed
Facile Two-Step Synthesis of 1,10-Phenanthroline-Derived Polyaza[7]helicenes with High Fluorescence and CPL Efficiency

Takashi Otani, Ami Tsuyuki, Taiki Iwachi, Satoshi Someya, Kotaro Tateno, Hidetoshi Kawai, Takao Saito, Kyalo Stephen Kanyiva, Takanori Shibata

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 56(14) 3906-3910, Mar, 2017 Peer-reviewed
Development of Synthetic Methodologies for Heterocycles Using Diene-transmissive Hetero-Diels-Alder Reaction

Takao Saito, Satoru Kobayashi, Takashi Otani, Noriki Kutsumura

JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN, 74(8) 803-813, Aug, 2016 Peer-reviewed
An inverse electron-demand diene-transmissive hetero-Diels-Alder reaction of N-sulfonyl-[3]-1-azadendralenes for stereocontrolled synthesis of polyhydroquinolines

Kan Kanai, Satoru Kobayashi, Kenji Kudo, Takuya Honjo, Takashi Otani, Takao Saito

TETRAHEDRON LETTERS, 56(36) 5090-5093, Sep, 2015 Peer-reviewed
[3]-1-Azadendralenes as Versatile Building Blocks for the Stereoselective Synthesis of Polysubstituted Hexahydroquinazolin-2-ones and Hexahydrobenzothiazine-2-imines

Satoru Kobayashi, Kenji Kudo, Ai Ito, Takuya Honjo, Masahiro Yata, Takashi Otani, Noriki Kutsumura, Takao Saito, Fabienne Berree, Elise Romain …

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 2015(20) 4367-4373, Jul, 2015 Peer-reviewed
Stereo-controlled synthesis of polyheterocycles via the diene-transmissive hetero-Diels–Alder reaction of β,γ-unsaturated α-keto esters

Takashi Otani, Yumiko Tamai, Kazunori Seki, Tomohiro Kikuchi, Taiichiro Miyazawa, Takao Saito

Organic & Biomolecular Chemistry, 13(21) 5875-5879, Jun, 2015
Lewis Acid-Catalyzed or Base-Promoted Regioselective Cycloisomerization of N-Imidoyl-o-alkynylanilines for Synthesis of N-Imidoyl-(1H)-indoles and 4-Alkylidene-3,4-dihydroquinazolines

Takashi Otani, Xue Jiang, Kinryo Cho, Rino Araki, Noriki Kutsumura, Takao Saito

ADVANCED SYNTHESIS & CATALYSIS, 357(7) 1483-1492, May, 2015 Peer-reviewed
Construction of dibenzo-fused seven- to nine-membered carbocycles via Bronsted acid-promoted intramolecular Friedel-Crafts-type alkenylation

Takashi Otani, Kanako Ueki, Kinryo Cho, Kan Kanai, Kotaro Tateno, Takao Saito

CHEMICAL COMMUNICATIONS, 51(37) 7895-7898, May, 2015 Peer-reviewedLead authorCorresponding author
Synthesis of macrocyclic heteroarylenes by consecutive inter- and intramolecular cycloadditions of thiophenylene-tethered triynes

Takanori Shibata, Masako Fujimoto, Takashi Otani

TETRAHEDRON, 70(45) 8453-8461, Nov, 2014 Peer-reviewed
Triflic acid-promoted cycloisomerization of 2-alkynylphenyl isothiocyanates and isocyanates: a novel synthetic method for a variety of indole derivatives

Takao Saito, Yoshihiko Sonoki, Takashi Otani, Noriki Kutsumura

ORGANIC & BIOMOLECULAR CHEMISTRY, 12(42) 8398-8407, Nov, 2014 Peer-reviewed
The diene-transmissive hetero-Diels-Alder reaction of 2-vinyl alpha,beta-unsaturated aldimines: stereoselective synthesis of hexahydroquinazolin-2-ones

Satoru Kobayashi, Kenji Kudo, Ai Ito, Satoru Hirama, Takashi Otani, Takao Saito

ORGANIC & BIOMOLECULAR CHEMISTRY, 12(24) 4061-4064, Jun, 2014 Peer-reviewed
Acid-Responsive Fluorescent Compounds Based on Nitro-Group-Substituted L-Shaped Pentacycles, Pyrrolo[1,2-a][1,8]naphthylidines

Kotaro Tateno, Rie Ogawa, Ryota Sakamoto, Mizuho Tsuchiya, Takashi Otani, Takao Saito

ORGANIC LETTERS, 16(12) 3212-3215, Jun, 2014 Peer-reviewed
Rhodium(I)-catalysed "ene-type" cycloisomerization of N-[2-(2-alkyn-1-yl) phenyl] carbodiimides leading to 3-(cis-alken-1-yl)-2-aminoquinolines

Takashi Otani, Misato Onishi, Takafumi Seino, Naoki Furukawa, Takao Saito

RSC ADVANCES, 4(96) 53669-53673, 2014 Peer-reviewed
Intramolecular [2+2+2] cycloaddition of bis(propargylphenyl)carbodiimides: synthesis of L-shaped pi-extended compounds with pyrrolo[1,2-a][1,8]naphthyridine corner units

Takashi Otani, Takao Saito, Ryota Sakamoto, Hiroyuki Osada, Akihito Hirahara, Naoki Furukawa, Noriki Kutsumura, Tsukasa Matsuo, Kohei Tamao

CHEMICAL COMMUNICATIONS, 49(55) 6206-6208, Jul 14, 2013 Peer-reviewed
Rh(III)-Catalyzed C-H Bond Activation along with "Rollover" for the Synthesis of 4-Azafluorenes

Takanori Shibata, Satoshi Takayasu, Shun Yuzawa, Takashi Otani

ORGANIC LETTERS, 14(19) 5106-5109, Oct, 2012 Peer-reviewed
Rh(III)-catalyzed directed C-H bond amidation of ferrocenes with isocyanates

Satoshi Takebayashi, Tsubasa Shizuno, Takashi Otani, Takanori Shibata

BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY, 8 1844-1848, Oct, 2012 Peer-reviewed
EXPEDIENT SYNTHESIS OF 3,4-DIHYDROQUINAZOLINES VIA TANDEM ADDITION-CONJUGATE ADDITION CYCLIZATION OF CARBODIIMIDES BEARING A MICHAEL ACCEPTOR

Takao Saito, Hayato Nakano, Hidenori Terada, Noriki Kutsumura, Takashi Otani

HETEROCYCLES, 84(2) 893-911, Jan, 2012 Peer-reviewed

Presentations

Two-Step Synthesis of 1,10-Phenanthroline-Derived Polyaza-[7]helicenes

OTANI Takashi

International Congress on Pure & Applied Chemistry (ICPAC) 2018, Mar 7, 2018
2 段階合成法によるらせん不斉を有するポリアザ[7]ヘリセンの合成と光物性評価

大谷卓, 露木亜美, 岩地大輝, 染谷聡, 舘野航太郎, 河合英敏, 齊藤隆夫, カニヴァステイヴィンキャロ, 柴田高範

第47回複素環化学討論会, Oct 26, 2017
Facile two-step synthesis of highly fluorescent polyaza[7]helicenes

OTANI Takashi

26th International Society of Heterocyclic Chemistry (ISHC) Congress, Sep 6, 2017
Convenient Synthesis of Azahelicenes by Using Hypervalent Iodine Reagent and Evaluation of Their Physical Properties

Ami Tsuyuki, Takashi Otani, Taiki Iwachi, Satoshi Someya, Kotaro Tateno, Hidetoshi Kawai, Takao Saito, Kyalo Stephen Kanyiva, Takanori Shibata

15th Symposium on Chemical Approaches to Chirality, Nov 30, 2016
Highly Fluorescent Aza[7]helicenes: Facile Synthesis, Structures and Optical Properties

OTANI Takashi

INTERNATIONAL SYMPOSIUM ON PURE & APPLIED CHEMISTRY (ISPAC) 2016, Aug 17, 2016
Brønsted 酸を用いた分子内 Friedel-Crafts 型アルケニル化反応によるジベンゾ縮環中員環の構築

大谷卓, 張錦良, 植木加奈子, 齊藤隆夫

日本化学会第96春季年会 (2016), Mar 24, 2016
超原子価ヨウ素試薬を用いる酸化的環化によるアザヘリセン類の簡便合成と物性評価

露木亜美, 岩地大輝, 舘野航太郞, 大谷卓, 河合英敏, 齊藤隆夫, カニヴァステイヴィンキャロ, 柴田高範

日本化学会第96春季年会 (2016), Mar 23, 2016
かさ高い Rind 基を 3 位に導入したチオフェン 1-オキシド及び 1-イミドの合成、構造と物性

大谷卓, 三好真由, 柴田高範, 松尾司, 玉尾皓平

第45回複素環化学討論会, Nov 20, 2015
一置換チオフェン 1‐オキシドと 1‐イミドの合成と性質

大谷卓, 三好真由, 柴田高範, 松尾司, 玉尾皓平

第26回基礎有機化学討論会, Sep 24, 2015

Teaching Experience

Professional Memberships

Research Projects

Short-step synthesis of long helicenes with strong circularly polarized luminescence activity

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2026

Takashi OTANI
Superacid-promoted Synthesis of Dibenzo-fused Medium Ring

Grant-in-Aid for Scientific Research (C), JSPS, Apr, 2019 - Mar, 2022

OTANI Takashi
優れた蛍光特性を有するヘテロヘリセンの効率的合成法の開発

科学研究費基盤研究(C), 日本学術振興会, Apr, 2016 - Mar, 2019

大谷卓
Chemistry of thermally stable monosubstituted thiophene S-oxide and related compounds

Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), The Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

OTANI Takashi
ヘテロクムレンポーソン-カンド反応の開発

科学研究費若手研究(B), 日本学術振興会, Apr, 2006 - Mar, 2008

大谷卓
A STUDY ON SYNTHESIS OF HETEROCYCLES VIA CROSS-CONJUGATED HETEROTRIENES AND FUNCTIONALIZED CARBODIIMIDES AS KEY INTERMEDIATES

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2002 - 2004

SAITO Takao, OTANI Takashi
チオフェンならびにセレノフェンの硫黄,セレン上に置換基を持つ新規分子種の合成

科学研究費特別研究員奨励費, 日本学術振興会, Apr, 2000 - Mar, 2001

大谷卓

Industrial Property Rights

特開2007-230879 アシルフェニル－Ｄ－マンノピラノシド化合物及び当該化合物を含有する皮膚外用剤

佐藤健士, 矢島博文, 齊藤隆夫, 内田勝美, 大谷卓, 岩間奏子, 坪郷哲

Profile Information

Research Areas

Research History

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Awards

Papers

Presentations

Teaching Experience

Professional Memberships

Research Projects

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