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Paper | Regular issue | Vol 43, No. 2, 1996, pp.425-436
Published online, 1st January, 1970
DOI: 10.3987/COM-95-7310
Components of the Root Bark of Morus cathayana. 1. Structures of Five New Isoprenylated Flavonoids, Sanggenols A - E and a Diprenyl-2-arylbenzofuran, Mulberrofuran V

Toshio Fukai, Yue-Hu Pei, Taro Nomura,* Chun-Quan Xu, Li-Jun Wu, and Ying-Jie Chen

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

Abstract

Five new isoprenylated flavonoids, sanggenols A (1), B (2), C (3), D (4), and E (5), along with a diprenyl-2-arylbenzofuran, mulberrofuran V (6), were isolated from the Chinese moraceous plant, Morus cathayana. The structures of sanggenols A - E, and mulberrofuran V were shown to be 1 - 5 and 6, respectively, on the basis of spectroscopic evidence. Furthermore fourteen kinds of known phenolic compounds were also isolated.