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Communication | Regular issue | Vol 20, No. 2, 1983, pp.213-218
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


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.