Studies on the Constituents of Thalictrum thunbergii DC. I

Abstract

Three flavone derivatives, TT-a (1), TT-b (2) and TT-c (3), were isolated from Thalictrum thunbergii DC. Compound 1 was characterized as apigenin 7, 4'-bis-O-β-D-allopyranoside, and 2 and 3 were found to be acetyl derivatives of TT-a (1).