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Obituary
Yoshito Kishi (1937-2023)
Yoshito Kishi (1937-2023)
Professor. Yoshito Kishi,
a member of the Honorary Editorial Associates of HETEROCYCLES,
has passed away on January 9, 2023 at the age of 85.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
January 13, 2023
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Communication | Regular issue | Vol 20, No. 2, 1983, pp.213-218
Published online, 1st January, 1970■ Three New Isoprenylated Xanthones, Cudraxanthone A, B, and C, from the Root Barks of Cudrania tricuspidata (Carr.) Bur
Published online, 1st January, 1970
DOI: 10.3987/R-1983-02-0213
■ Three New Isoprenylated Xanthones, Cudraxanthone A, B, and C, from the Root Barks of Cudrania tricuspidata (Carr.) Bur
Taro Nomura, Yoshio Hano, and Tomoko Fujimoto
*Faculty of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274-8510, Japan
Abstract
From the hexane extract of the root barks of Cudrania tricuspidata(Carr.) Bur. (Japanese name “Hariguwa”, Moraceae), these new isoprenylated xanthones were isolated and named cudraxanthone A, B and C. The structures of cudraxanthone A, B and C were shown to be I~III, respectively, on the basis of spectral data.
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