Three New Flavonoids, 3'-Methoxylupinifolin, Laxifolin, and Isolaxifolin from the Roots of Derris laxiflora BENTH.
作者:Yun-Lian LIN、Yuh-Lin CHEN、Yueh-Hsiung KUO
DOI:10.1248/cpb.39.3132
日期:——
The following constituents were isolated from the roots of Derris Laxiflora BENTH : flemichapparin-B (1), 3'-methoxylupinifolin (2a), lupinifolin (2b), β-amyrin (3), lupeol (4), prunetin (5), laxifolin (6a), and isolaxifolin (7a). Compounds 2a, 6a, and 7a are new flavonoids, and their structures were determined on the basis of spectran and chemical evidence.