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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
Editor
May 11, 2023
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Paper | Regular issue | Vol 27, No. 6, 1988, pp.1377-1379
Published online, 1st January, 1970■ Reactions of Carbon Suboxide and 2,3-Bifunctional Pyrido Compounds
Published online, 1st January, 1970
DOI: 10.3987/COM-87-4460
■ Reactions of Carbon Suboxide and 2,3-Bifunctional Pyrido Compounds
Leonardo Bonsignore,* Giuseppe Loy, and Daniela Secci
*Tossicologica e Applicata, Instituto di Chimica Farmaceutica, Università di Cagliari, Via Ospedale 72, I-09124 Cagliari, Italy
Abstract
The preparation of pyridodiazepines, pyridodioxepins and pyridoxazepines is described here. The structure of the products has been determined by elemental analysis and spectroscopic data.
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