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Paper | Regular issue | Vol 43, No. 9, 1996, pp.1999-2004
Published online, 1st January, 1970
DOI: 10.3987/COM-96-7557
Two New Dimeric Xanthones in Mesua ferrea

Munekazu Iinuma,* Hideki Tosa, Yoshiyuki Tanaka, and Soedarsono Riswan

*Departmeny of Pharmacognosy, Gifu Pharmaceutical University, 6-1 Mitahora-higashi 5-chome, Gifu 502-8585, Japan

Abstract

The new dimeric xanthones linked through a C5 unit, mesuferrols A and B, were isolated from the bark of Mesua ferres (Guttiferae), in addition to two known xanthones (1,7-dihydroxy- and 5-hydroxy-1-methoxyxanthone) and a flavonoid ((-)-epicatechin). The structures of these compounds were estsblished by the aids of spectroscopic analysis including 2D nmr technique.