Noda N, Takahashi N, Miyahara K, Yang C R
Faculty of Pharmaceutical Sciences, Setsunan University, Osaka, Japan.
Phytochemistry. 1998 Jul;48(5):837-41. doi: 10.1016/s0031-9422(97)00989-8.
Five new ether-soluble resin glycosides were isolated from whole plants of Ipomoea stolonifera. Their structures have been determined on the basis of chemical and spectral data. Similar to the resin glycosides previously isolated, all of them are monomers of a jalapinolic acid tetra- or penta-glycoside in which the sugar moiety is partially acylated by organic acids and also combined with the carboxy group of the aglycone to form a macrocyclic ester structure.
从平卧牵牛全草中分离出5种新的醚溶性树脂糖苷。基于化学和光谱数据确定了它们的结构。与先前分离出的树脂糖苷相似，它们均为jalapinolic酸四糖苷或五糖苷的单体，其中糖部分被有机酸部分酰化，并且还与苷元的羧基结合形成大环酯结构。
