Kuwanon A, B, C and Oxydihydromorusin, Four New Flavones from the Root Bark of the Cultivated Mulberry Tree (Morus alba L.)

Abstract

The structures of four new flavone derivatives, kuwanon A, B, C and oxydihydromorusin, which were isolated from the root bark of the cultivated mulberry tree (a variety of Morus alba L.), were shown to be I, II, III and IV, respectively.