HETEROCYCLES
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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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Review | Regular issue | Vol 91, No. 1, 2015, pp.1-39
Published online, 7th January, 2015
Published online, 7th January, 2015
DOI: 10.3987/REV-14-806
■ Synthesis, Biological Activities, and Tautomerism of 4-Quinolones and Related Compounds
Yoshihisa Kurasawa* and Kenji Sasaki
*Department of Organic Chemistry, School of Pharmacy, Iwaki Meisei University, 5-5-1 Chuodai Iino, Iwaki City, Fukushima 970-8551, Japan
Abstract
This review describes the synthesis, biological activities, and tautomerism of various 4-quinolones together with related compounds including 4-oxopyridazino[3,4-b]quinoxalines (bioisostere of 4-quinolones).
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