作者:Pittaya Tuntiwachwuttikul、Orasa Pancharoen、Wilawan Mahabusarakam、Pichaet Wiriyachitra、Walter C. Taylor、William A. Bubb、G.H.N. Towers
DOI:10.1016/s0031-9422(96)00556-0
日期:1997.2
The structure of a piscicidal triterpenoid saponin (saponin A) isolated from the leaves of Maesa ramentacea has been shown to be 3-O-[(alpha-L-rhamnopyranosyl(1-->2)-alpha-L-rhamnopyranosyl(1-->2)-beta-D-galactopyranosyl 1-->3)]-[beta-D-glucopyranosyl(1-->2)]-beta-D-glucuronopyranosyl}barringtogenol C21, 22-O-diangeloate. Extensive use was made of homo- and heteronuclear 2D NMR techniques. Copyright (C) 1997 Elsevier Science Ltd