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Hajime Irikawa

Shizuoka University

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Publication

Featured researches published by Hajime Irikawa.

CrystEngComm | 2001

One-dimensional helical chain in the co-crystal of CHCl3 and trans-2,3,5,6,11,11b-hexahydro-3-oxo-1H-indolizino[8,7-b]indole-5-carboxylic acid methyl ester: a channel-type inclusion complex

Keiichi Adachi; Hajime Irikawa; Kimiaki Shiratori; Yuichi Sugiyama

X-Ray analysis of the title co-crystal shows a channel-type inclusion structure. The helical network of the indolizino–indole moiety contains a helical arrangement of CHCl3.

Bulletin of the Chemical Society of Japan | 1989

Isolation of Four 2,3,5,6,11,11b-Hexahydro-3-oxo-1H-indolizino[8,7-b]indole-5-carboxylic Acids from Clerodendron Trichotomum Thunb and Properties of Their Derivatives

Hajime Irikawa; Yasuhiro Toyoda; Hiroaki Kumagai; Yasuaki Okumura

Chemistry Letters | 1975

Five new alkaloids from daphniphyllum gracile gage.

Shosuke Yamamura; J. A. Lamberton; Hajime Irikawa; Yasuaki Okumura; Yoshimasa Hirata

Bulletin of the Chemical Society of Japan | 1975

The Structure of Yuzurimine-C

Shosuke Yamamura; Hajime Irikawa; Yasuaki Okumura; Yoshimasa Hirata

Heterocycles | 2005

Preparation and properties of dehydrotrichotomine- type dyes : A new near-infrared absorbing indigoid

Hajime Irikawa; Hiroyuki Hashimoto; Kimiaki Shiratori; Keitaro Kawakita; Tomoaki Tanaka; Rika Sekine

Heterocycles | 2000

Preparation and Spectral Properties of the Nitrogen Analogs of (E )-5,5'-Diaryl- 3,3'-bifuranylidene-2,2'-diones and Their Derivatives

Hajime Irikawa; Norihide Adachi

Heterocycles | 1998

Preparation and Absorption Spectral Properties of the Nitrogen Analogs of a Pechmann Dye and Its Isomeric Pyrano[4,3-c]pyran-1,5-dione

Hajime Irikawa; Norihide Adachi; Hirokazu Muraoka

Bulletin of the Chemical Society of Japan | 1989

Reaction of methyl 2,3,5,6,11,11b-hexahydro-3-oxo-1H-indolizino[8,7-b]indole-5-carboxylate and its derivatives with N-bromosuccinimide.

Hajime Irikawa; Susumu Mutoh; Masahiro Uehara; Yasuaki Okumura

Bulletin of the Chemical Society of Japan | 2001

Formation and Structures of Dimeric Compounds from an (E)-5,5′-Diphenyl-2,2′,3,3′-tetrahydro-3,3′-bipyrrolylidene-2,2′-dione

Hajime Irikawa; Kimiaki Shiratori; Norihide Adachi; Keiichi Adachi

Bulletin of the Chemical Society of Japan | 1978

Lactones of Hydrogenated 5,8-Dihydroxy-4-methylnaphthalene-1-carboxylic Acids

Hajime Irikawa; Yasuaki Okumura

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Yasuaki Okumura

Shizuoka University

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Shosuke Yamamura

Keio University

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Yoshimasa Hirata

Nagoya University

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Kimiaki Shiratori

Shizuoka University

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Masanori Morinaga

Shizuoka University

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Mitsuru Kondo

Shizuoka University

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Norihide Adachi

Shizuoka University

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Atsushi Sakurai

Shizuoka University

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Keiichi Adachi

Shizuoka University

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Tadashi Atsumi

Shizuoka University

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