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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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Report | Regular issue | Vol 23, No. 5, 1985, pp.1131-1134
Published online, 1st January, 1970■ Natsucitrine-I, -II: New Acridone Alkaloids from Citrus natsudaidai Hayata
Published online, 1st January, 1970
DOI: 10.3987/R-1985-05-1131
■ Natsucitrine-I, -II: New Acridone Alkaloids from Citrus natsudaidai Hayata
Motoharu Ju-ichi,* Mami Inoue, Yukari Fujitani, and Hiroshi Furukawa
*Faculty of Pharmaceutical Science, Mukogawa-Women’s University, 11-68 Koushien Kyuban-Cho, Nishinomiya, Hyogo 663-8179, Japan
Abstract
Two new acridone alkaloids, natsucitrine-I (1a) and natsucitrine-II (1b) were isolated from the root bark of Citrus natsudaidai and their structures were elucidated on the basis of the spectral and chemical studies.
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