作者:Gang Chen、Tao Liu、Xuan Lu、Hai-Feng Wang、Hui-Ming Hua、Yue-Hu Pei
DOI:10.1080/10286020.2012.694871
日期:2012.8
Two new steroidal glycosides were isolated from Tribulus terrestris L. Their structures were elucidated as 26-O-β-d-glucopyranosyl-5α-furostan-12-one-20(22)-ene-3β,23,26-triol-3-O-β-d-xylopyranosyl-(1 → 2)-[β-d-xylopyranosyl-(1 → 3)]-β-d-glucopyranosyl-(1 → 4)-[α-l-rhamnopyranosyl-(1 → 2)]-β-d-galactopyranoside (1) and 26-O-β-d-glucopyranosyl-5α-furostan-20(22)-ene-3β,23,26-triol-3-O-β-d-xylopyran
从ter藜中分离出两个新的甾体糖苷。其结构被阐明为26- O - β - d-吡喃葡萄糖基-5α-呋喃斯坦-12-one-20(22)-ene-3β,23,26-triol-3 - ø -β- d -xylopyranosyl-(1→2) - [β- d -xylopyranosyl-(1→3)] - β- d -glucopyranosyl-(1→4) - [α-升-rhamnopyranosyl-(1 →2)]-β- d-吡喃半乳糖苷(1)和26- O -β - d-吡喃吡喃糖基5α-呋喃斯坦20(22)-烯3β,23,26-三醇-3 - O - β - d -吡喃吡喃糖基-(1→2)-[β- d-吡喃吡喃糖基-(1→3)]-β- d-葡萄糖吡喃糖基-(1→4)-[α- 1-鼠李糖吡喃糖基-(1→2)]-β- d-吡喃半乳糖苷(2),通过包括1D和2D NMR实验的光谱方法。