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Eizo Matsumura

Osaka Kyoiku University

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Publication

Featured researches published by Eizo Matsumura.

Tetrahedron Letters | 1981

3,5-dinitro-1-(p-nitrophenyl)-4-pyridone as a novel protective group of primary amines

Eizo Matsumura; Masahiro Ariga; Yasuo Tohda; T. Kawashima

Abstract 3,5-Dinitro-1-(p-nitrophenyl)-4-pyridone is proposed as a novel protective group for primary amines, especially amino acids, based on the results of the transformation of 1-substituted 3,5-dinitro-4-pyridones with primary amines.

Tetrahedron Letters | 1979

A ring transformation of 1-substituted 3,5-dinitro-2-pyidones

Eizo Matsumura; Masahiro Ariga; Yasuo Tohda

Abstract Reaction of 1-substituted 3,5-dinitro-2-pyridones with sodium salts of β-keto esters gave the ring transformation products, phenol derivatives and N -substituted nitroacetamides. Nonionic bicyclic intermediates could be isolated.

Bulletin of the Chemical Society of Japan | 1982

Nucleophilic reaction upon electron-deficient pyridone derivatives. IV. Ring transformation of 1-substituted 3,5-dinitro-2-pyridones with ketones in the presence of amines.

Eizo Matsumura; Yasuo Tohda; Masahiro Ariga

Bulletin of the Chemical Society of Japan | 1979

The Nucleophilic Reaction of Electron-deficient Pyridone Derivatives. I. The Ring Transformation of 1-Substituted 3,5-Dinitro-2-pyridones with Sodio β-Keto Esters

Eizo Matsumura; Masahiro Ariga; Yasuo Tohda

Bulletin of the Chemical Society of Japan | 1970

Studies of the Reissert-Kaufmann-type Reaction of 4-Nitropyridine N -Oxide and Its Homologues

Eizo Matsumura; Masahiro Ariga; Takahiko Ohfuji

Bulletin of the Chemical Society of Japan | 1973

The reaction of nucleophilic reagents at the .BETA.-position of 3-bromo-4-nitropyridine N-oxides.

Eizo Matsumura; Masahiro Ariga

Bulletin of the Chemical Society of Japan | 1987

The Nucleophilic Reaction upon Electron-Deficient Pyridone Derivatives. VIII. Novel Fragmentation of 3,5-Dinitro-2-pyridone by Primary Amine

Yasuo Tohda; Masahiro Ariga; Toshihide Kawashima; Eizo Matsumura

Bulletin of the Chemical Society of Japan | 1993

Nucleophilic Reaction upon Electron-Deficient Pyridone Derivatives. XII. Novel Additions of 3,5-Dinitro-2-pyridone with Ethyl Vinyl Ether. Formation and Reactions of a Six-membered Cyclic Nitronate.

Yasuo Tohda; Keita Tani; Norihiko Yamawaki; Masahiro Ariga; Nagatoshi Nishiwaki; Katsuroh Kotani; Eizo Matsumura

Bulletin of the Chemical Society of Japan | 1984

3,5-Dinitro-1-(4-nitrophenyl)-4-pyridone, A Novel and Convenient Protecting Reagent for Primary Amines

Eizo Matsumura; Hironori Kobayashi; Tomomi Nishikawa; Masahiro Ariga; Yasuo Tohda; T. Kawashima

Bulletin of the Chemical Society of Japan | 1991

The Nucleophilic Reaction upon Electron-Deficient Pyridone Derivatives. XI. Ring Transformation of 1-Substituted 3,5-Dinitro-4-pyridones to 4-Nitro-5(2H)-isoxazolone by Hydroxylamine.

Masahiro Ariga; Yasuo Tohda; Hiroko Nakashima; Keita Tani; Yutaka Mori; Eizo Matsumura

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Masahiro Ariga

Osaka Kyoiku University

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Yasuo Tohda

Osaka Kyoiku University

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Yutaka Mori

Osaka Kyoiku University

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T. Kawashima

Osaka Kyoiku University

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Keita Tani

Osaka Kyoiku University

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Hiroko Nakashima

Osaka Kyoiku University

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Katsuroh Kotani

Osaka Kyoiku University

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Nagatoshi Nishiwaki

Kochi University of Technology

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Norihiko Yamawaki

Osaka Kyoiku University

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Toshihide Kawashima

Osaka University

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