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Paper | Regular issue | Vol 31, No. 7, 1990, pp.1345-1350
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5420
Components of the Root Bark of Morus insignis Bur. 1. Structures of Four New Isoprenylated Xathones, Morusignins A, B, C, and D

Yoshio Hano,Tsuyoshi Okamoto, Taro Nomura,* and Yasunori Momose

*Faculty of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274-8510, Japan


Four new isoprenylated xanthones, morusignins A (1), B (2), C (3), and D (4) were isolated from the root bark of Morus insignis Bur. (Moraceae), colleced in paraguay, along with three known isoprenylated xanthones, gartanin (5), garcinone B (6), and toxyloxanthone B (7). The Structures of morusignins A - D were shown to be 1 - 4, respectively on the bais of spectroscopic data.