论文部分内容阅读
A new C21 steroidal glycoside,named cynanversicoside F (1),was isolated from the root of Cynanchum versicolor Bunge. Its structure was established as glaucogenin-A 3-O-β-D-digitoxopyranosyl-(1→4)-β-D-cymaropyranoside by spectroscopic and chemical methods.
A new C21 steroidal glycoside, named cynanversicoside F (1), was isolated from the root of Cynanchum versicolor Bunge. Its structure was established as glaucogenin-A 3-O-β-D-digitoxopyranosyl- (1 → 4) -β-D -cymaropyranoside by spectroscopic and chemical methods.