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Haruo Okajima

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Publication

Featured researches published by Haruo Okajima.

Proceedings of the National Academy of Sciences of the United States of America | 1977

A valid model for the mechanism of oxidation of tryptophan to formylkynurenine-25 years later.

Masako Nakagawa; Hideyuki Watanabe; Shin-ichi Kodato; Haruo Okajima; Tohru Hino; Judith L. Flippen; Bernhard Witkop

Journal of the American Chemical Society | 1977

Photosensitized oxygenation of Nb-methoxycarbonyltryptamines. A new pathway to kynurenine derivatives

Masako Nakagawa; Haruo Okajima; Tohru Hino

Journal of the American Chemical Society | 1976

Photosensitized oxygenation of Nb-methoxycarbonyltryptophan methyl ester and Nb-methoxycarbonyltryptamine. Isolation and novel transformations of a 3a-hydroxyperoxypyrroloindole

Masako Nakagawa; Haruo Okajima; Tohru Hino

Journal of Organic Chemistry | 1979

Photoinduced reactions. 39. Photochemistry of the imide system. 9. Norrish type I reaction of aliphatic cyclic imides. General reaction pattern, competition with type II processes, and some synthetic application

Yuichi Kanaoka; Haruo Okajima; Yasumaru Hatanaka

Journal of Photochemistry | 1985

Tetrahydro-1H-azepine-2,5-dione

Yuichi Kanaoka; Yasumaru Hatanaka; Haruo Okajima

ChemInform | 1977

SYNTHESES OF MEDIUM-SIZED LACTAM SYSTEMS BY THE PHOTO-RING-ENLARGEMENT OF N-SUBSTITUTED ALICYCLIC IMIDES

Yuichi Kanaoka; Haruo Okajima; Yasumaru Hatanaka

Heterocycles | 1978

Synthesis of Multicyclic Keto Lactams by the Photo-ring-expansion of N-(1-Adamantyl)succinimides

Yuichi Kanaoka; Masanao Terashima; Kazue Ohkura; Haruo Okajima

Heterocycles | 1979

The Photo-ring-expansion Reaction of Alicyclic Imides. Application to the Syntheses of Heterocycls and the Mechanism

Yuichi Kanaoka; Haruo Okajima; Yasumaru Hatanaka; Masanao Terashima; Kazue Ohkura

ChemInform | 1979

PHOTOINDUCED REACTIONS. 39. PHOTOCHEMISTRY OF THE IMIDE SYSTEM. 9. NORRISH TYPE I REACTION OF ALIPHATIC CYCLIC IMIDES. GENERAL REACTION PATTERN, COMPETITION WITH TYPE II PROCESSES, AND SOME SYNTHETIC APPLICATION

Yuichi Kanaoka; Haruo Okajima; Yasumaru Hatanaka

Heterocycles | 1978

Syntheses of Bicyclocaprolactam Systems by the Photo-Ring-Expansion of N-Substituted Succinimides

Yuichi Kanaoka; Haruo Okajima; Yasumaru Hatanaka; Masanao Terashima

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Collaboration

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Yuichi Kanaoka

Hokkaido University

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Yasumaru Hatanaka

University of Toyama

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Masako Nakagawa

Chiba University

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Tohru Hino

Chiba University

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Masanao Terashima

Hokkaido University

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Kazue Ohkura

Health Sciences University of Hokkaido

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Shin-ichi Kodato

Chiba University

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Bernhard Witkop

National Institutes of Health

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Judith L. Flippen

United States Naval Research Laboratory

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