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Obituary
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
Editor
May 11, 2023
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Paper | Regular issue | Vol 38, No. 1, 1994, pp.113-123
Published online, 1st January, 1970■ Synthesis of Nitrogen Heterocycles from 1-Methylthio-2-phenyl-2-azabuta-1,3-diene-4,4-dicarbonitriles
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6538
■ Synthesis of Nitrogen Heterocycles from 1-Methylthio-2-phenyl-2-azabuta-1,3-diene-4,4-dicarbonitriles
Antonio Lorente,* Pedro Gámez, and María del Mar Contreras
*Departamento de Química Orgánica, Universidad de Alcalá de Henares, 28871 Alcalá de Henares (Madrid), Spain
Abstract
The reactions of tittle compounds with different nucleophiles afforded a simple method for a synthesis of pyrimidines, 1,2,4-triazoles, 1,2,4-oxadiazoles and 1,3,5-triazines
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