坂本尚夫 (Takao Sakamoto) - マイポータル - researchmap

基本情報

所属: 旧所属東北大学大学院薬学研究科寄附講座客員研究員

学位: 薬学博士(東北大学)

J-GLOBAL ID: 200901016617873216
researchmap会員ID: 1000005938

研究キーワード

1

芳香複素環化合物と合成と反応

研究分野

1

ライフサイエンス / 薬系化学、創薬科学 /

経歴

7

学歴

4

MISC

405

Palladium-catalyzed C-H activation/intramolecular amination reaction: A new route to 3-aryl/alkylindazoles

Kiyofumi Inamoto, Tadataka Saito, Mika Katsuno, Takao Sakamoto, Kou Hiroya

ORGANIC LETTERS 9(15) 2931-2934 2007年7月
Synthesis of 3-substituted indazoles and benzoisoxazoles via Pd-catalyzed cyclization reactions: application to the synthesis of nigellicine

Kiyofumi Inamoto, Mika Katsuno, Takashi Yoshino, Yukari Arai, Kou Hiroya, Takao Sakamoto

TETRAHEDRON 63(12) 2695-2711 2007年3月
Regiocontrolled intramolecular cyclizations of carboxylic acids to carbon-carbon triple bonds promoted by acid or base catalyst

Masanobu Uchiyama, Hiroki Ozawa, Kazuya Takuma, Yotaro Matsumoto, Mitsuhiro Yonehara, Kou Hiroya, Takao Sakamoto

ORGANIC LETTERS 8(24) 5517-5520 2006年11月
Cyclization reactions of homopropargyl azide derivatives catalyzed by PtCl4 in ethanol solution: Synthesis of functionalized pyrrole derivatives

Kou Hiroya, Shigemitsu Matsumoto, Masayasu Ashikawa, Kentaro Ogiwara, Takao Sakamoto

ORGANIC LETTERS 8(23) 5349-5352 2006年11月
Introduction of the acetate unit to the 2-pyridinone ring system and its application to the synthesis of (20S)-camptothecin DE ring system

Kou Hiroya, Kei Kawamoto, Takao Sakamoto

SYNLETT (16) 2636-2640 2006年10月
Synthesis and Catalytic Activity of a Pincer-Type Bis(imidazolin-2-ylidene) Nickel(Ⅱ)Complex

INAMOTO Kiyofumi, KURODA Jun‐ichi, HIROYA Kou, NODA Yukio, WATANABE Masashi, SAKAMOTO Takao

Organometallics 25(12) 3095-3098 2006年6月5日
Synthesis and catalytic activity of a pincer-type bis(imidazolin-2-ylidene) nickel(II) complex

Kiyofumi Inamoto, Jun-ichi Kuroda, Kou Hiroya, Yukio Noda, Masashi Watanabe, Takao Sakamoto

ORGANOMETALLICS 25(12) 3095-3098 2006年6月
The optimization for cyclization reaction of 2-(2-carbomethoxyethynyl)aniline derivatives and formal synthesis of pyrroloquinoline quinone and its analogue utilizing a sequential coupling-cyclization reaction

K Hiroya, S Matsumoto, M Ashikawa, H Kida, T Sakamoto

TETRAHEDRON 61(52) 12330-12338 2005年12月
Mild and efficient cyclization reaction of 2-ethynylaniline derivatives to indoles in aqueous medium

K Hiroya, S Itoh, T Sakamoto

TETRAHEDRON 61(46) 10958-10964 2005年11月
Highly efficient nickel-catalyzed heck reaction using Ni(acac)(2)/N-heterocyclic carbene catalyst

K Inamoto, J Kuroda, T Danjo, T Sakamoto

SYNLETT (10) 1624-1626 2005年6月
Highly Regioselective Palladium-Catalyzed Annulation Reactions of Heteroatom-Substituted Allenes for Synthesis of Condensed Heterocycles

Chem. Pharm. Bull. 53(11) 1502-1507 2005年
The New Method for Introduction of an Allyl Group into Angular Position of 2-(TBS-Oxymethyl)-2,3,4,6,7,8-hexahydro-1-benzopyran-5-one and Its Application to Chiral Wieland-Miescher Type Compound Synthesis

Chem. Pharm. Bull. 53(2) 207-213 2005年
Highly Regioselective Palladium-Catalyzed Annulation Reactions of Heteroatom-Substituted Allenes for Synthesis of Condensed Heterocycles

Kiyofumi Inamoto, Akio Yamamoto, Kazutoshi Ohsawa, Kou Hiroya, Takao Sakamoto

Chem. Pharm. Bull. 53(11) 1502-1507 2005年
The New Method for Introduction of an Allyl Group into Angular Position of 2-(TBS-Oxymethyl)-2,3,4,6,7,8-hexahydro-1-benzopyran-5-one and Its Application to Chiral Wieland-Miescher Type Compound Synthesis

Kou Hiroya, Taisuke Takahashi, Katsunori Shimomae, Takao Sakamoto

Chem. Pharm. Bull. 53(2) 207-213 2005年
Efficient synthesis of 3-substituted indazoles using Pd-catalyzed intramolecular amination reaction of N-tosylhydrazones

K Inamoto, M Katsuno, T Yoshino, Suzuki, I, K Hiroya, T Sakamoto

CHEMISTRY LETTERS 33(8) 1026-1027 2004年8月
New synthetic method for indole-2-carboxylate and its application to the total synthesis of duocarmycin SA

K Hiroya, S Matsumoto, T Sakamoto

ORGANIC LETTERS 6(17) 2953-2956 2004年8月
Development of a catalytic electron transfer system mediated by transition metal ate complexes: Applicability and tunability of electron-releasing potential for organic transformations

M Uchiyama, Y Matsumoto, S Nakamura, T Ohwada, N Kobayashi, N Yamashita, A Matsumiya, T Sakamoto

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 126(28) 8755-8759 2004年7月
Development of an Efficient Procedure for Indole Ring Synthesis from 2-Ethynylaniline Derivatives Catalyzed by Cu(II) Salts and Its Application to Natural Product Synthesis

Kou Hiroya, Shin Itoh, Takao Sakamoto

Journal of Organic Chemistry 69(4) 1126-1136 2004年2月20日
Development of an efficient procedure for indole ring synthesis from 2-ethynylaniline derivatives catalyzed by Cu(II) salts and its application to natural product synthesis

K Hiroya, S Itoh, T Sakamoto

JOURNAL OF ORGANIC CHEMISTRY 69(4) 1126-1136 2004年2月
環化反応の開発と応用

化学工業 55(2) 93-101 2004年

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書籍等出版物

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3