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Zenichi Yoshida (1925-2023)
Zenichi Yoshida (1925-2023)
Professor. Zenichi Yoshida,
a member of the Honorary Advisors of HETEROCYCLES (1975-1998),
has passed away on May 4, 2023 at the age of 97.
I deeply express my regret over his death.
Kunio Ogasawara
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May 11, 2023
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Review | Regular issue | Vol 41, No. 9, 1995, pp.2057-2093
Published online, 1st January, 1970■ Tautomerism and Isomerism of Heterocycles [2]
Published online, 1st January, 1970
DOI: 10.3987/REV-95-472
■ Tautomerism and Isomerism of Heterocycles [2]
Yoshihisa Kurasawa, Atsushi Takada, and Ho Sik Kim
*School of Pharmaceutical Sciences, Kitasato University, Shirokane, Minato-ku, Tokyo 108, Japan
Abstract
This review describes tha tautomerism of various heterocyclic compounds between the enamine and methylene imine forms, between the enamine and enol imine forms, and between the azo and hydrazone forms together with the isomerism of some heterocycles.
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