CAS: 28591-01-7; β-D-Glucopyranosyl-(1-) 2)-β-D-Xylopyranosyl-(1-) 3)-β-D-Glucopyranosyl-(1-) 4)-β-D-Galactopyranosyl-(1-) 3)-(25R)-5α-Spirostan-2α,3β-Diol

📜Gitogenin 3-O-3)-O-β-D-Glucopyranosyl-(1->2)-O-<β-D-Xylopyranosyl-(1->3)>-O-β-D-Glucopyranosyl-(1->4)-β-D-Galactopyranoside>置于β-Glucosidase体系中,用 水 用作溶剂,化学反应 10.0H,以35.8 Mg的收率获得乙基n-{[{[(2,2-二甲基-2,3-二氢-1-苯并呋喃-7-基)氧代]羰基}(甲基)氨基]硫烷基}-N-己基-β-丙氨酸酸酯
参考文献:Steroidal Glycosides Of Gitogenin From Allium Rotundum
标题:Steroidal Glycosides Of Gitogenin From Allium Rotundum
摘要:通过对薤白花序和花茎中提取的总物质进行分馏,分离出了两种新的甾体苷.根据化学转化,物理常数和光谱数据,确定其结构为 26-O-β-D-吡喃葡萄糖基-(25R)-5α-呋喃甾2α,3β,22α,26-Tetraol 3-O-β-D-Glucopyranosyl-(1-> 2)[β-D-Xylopyranosyl-(1-> 3)]-β-D-Glucopyranosyl(1-> 4)-β-D-Galactopyranoside (2) 和 (25R)-5α-Spirostan-2α,3β-Diol 3-O-β-D-吡喃葡萄糖基-(1-> 3)-βd-吡喃葡萄糖基-(1-> 2)-[β-D-吡喃木糖基-(1-> 3)]-β-D-吡喃葡萄糖基-(1-> 4)-β-D-吡喃半乳糖苷 (3).
Doi:10.1007/s10600-012-0164-X