作者:Gang Chen、Huan Chen、Wen Li、Yue-Hu Pei
DOI:10.1080/10286020.2011.588601
日期:2011.8
Two new C21 steroidal glycosides with a new aglycone of amplexicogenin B were isolated from Cynanchum amplexicaule Sieb. et Zucc. Their structures were elucidated as amplexicogenin B-3-O-β-d-cymaropyranoside (1), amplexicogenin B-3-O-β-d-cymaropyranosyl-(1 → 4)-α-l-cymaropyranosyl-(1 → 4)-β-d-cymaropyranoside (2) by means of spectral and chemical analysis.
从Cylanchum amplexicaule Sieb中分离了两个新的含Amplexicogenin B糖苷配基的新C 21甾体糖苷。et Zucc。阐明了它们的结构为金丝桃素B-3- O - β - d-环吡喃糖苷(1),金丝桃素B-3- O - β - d-环吡喃糖基-(1→4)-α - l-环吡喃糖基-(1→4 )-β- d-环吡喃果糖苷(2)的光谱和化学分析。