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Kozo Toyota

Tohoku University

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Publication

Featured researches published by Kozo Toyota.

Tetrahedron Letters | 2005

A convenient procedure for palladium catalyzed cyanation using a unique bidentate phosphorus ligand

Rader S. Jensen; Anil S. Gajare; Kozo Toyota; Masaaki Yoshifuji; Fumiyuki Ozawa

Tetrahedron Letters | 2007

Synthesis of heteroarylazulenes : transition metal free coupling strategy of azulene with heterocycles

Taku Shoji; Ryuji Yokoyama; Shunji Ito; Masataka Watanabe; Kozo Toyota; Masafumi Yasunami; Noboru Morita

Journal of Organic Chemistry | 2004

Solvent free amination reactions of aryl bromides at room temperature catalyzed by a (π-allyl)palladium complex bearing a diphosphinidenecyclobutene ligand

Anil S. Gajare; Kozo Toyota; Masaaki Yoshifuji; Fumiyuki Ozawa

Tetrahedron Letters | 2007

Synthesis of 5-heteroarylazulenes: first selective electrophilic substitution at the 5-position of azulene

Taku Shoji; Shunji Ito; Masataka Watanabe; Kozo Toyota; Masafumi Yasunami; Noboru Morita

Journal of Organic Chemistry | 2004

Preparation and properties of phosphaethynes bearing bulky aryl groups with electron-donating substituents at the para position.

Kozo Toyota; Subaru Kawasaki; Masaaki Yoshifuji

Bulletin of the Chemical Society of Japan | 2005

The Electronic Effects of Bulky Aryl Substituents on Low Coordinated Phosphorus Atoms in Diphosphenes and Phosphaalkenes by Functionalization at the Para Position

Subaru Kawasaki; Akitake Nakamura; Kozo Toyota; Masaaki Yoshifuji

Tetrahedron Letters | 2004

Preparations and properties of polymers containing 3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]-1,2-di(2-thienyl)cyclobutene moieties

Kozo Toyota; Junichi Ujita; Subaru Kawasaki; Keita Abe; Naoki Yamada; Masaaki Yoshifuji

Bulletin of the Chemical Society of Japan | 2004

Preparation, Methylation, and Coupling Reaction of 1,2-Dithienyl-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutenes

Kozo Toyota; Keita Abe; Keiko Horikawa; Masaaki Yoshifuji

Chemistry Letters | 2005

Preparation and Properties of Conjugated Polymers Containing 1,2-Diaryl-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene Units

Subaru Kawasaki; Junichi Ujita; Kozo Toyota; Masaaki Yoshifuji

Organometallics | 2005

Preparation and properties of 1,2-diferrocenyl-substituted 3,4-diphosphinidenecyclobutenes and their complexes : The first application of a diphosphinidenecyclobutene unit as a linker of functional moieties

Subaru Kawasaki; Akitake Nakamura; Kozo Toyota; Masaaki Yoshifuji

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Masaaki Yoshifuji

Tohoku University

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Subaru Kawasaki

Tohoku University

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Akitake Nakamura

Tohoku University

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Anil S. Gajare

Tohoku University

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Fumiyuki Ozawa

Kyoto University

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Noboru Morita

Tohoku University

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Shunji Ito

Hirosaki University

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Taku Shoji

Shinshu University

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Junichi Ujita

Tohoku University

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Keita Abe

Tohoku University

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