作者:Guo Wei、Biao Yu
DOI:10.1002/ejoc.200800239
日期:2008.6
with minor variations at the sugar moiety and the isoflavone A and B rings, were readily synthesized. Notably, a new and efficient method was developed for the divergent synthesis of the B-ring congeners of the isoflavone glycosides by using Suzuki–Miyaura coupling as the final step. Modifications at the sugar moiety and the isoflavone A ring significantly diminish the activity, whereas variations at
基于 4',7,8-三羟基异黄酮 7-O-α-D-阿拉伯呋喃糖苷(即 A-76202, 1)的结构,红球菌代谢物对大鼠肝微粒体的 α-葡萄糖苷酶具有强效抑制活性(IC50 = 0.46 ng/mL),很容易合成 26 种类似物,每一种在糖部分以及异黄酮 A 和 B 环上都有微小的变化。值得注意的是,通过使用 Suzuki-Miyaura 偶联作为最后一步,开发了一种新的有效方法,用于异黄酮糖苷的 B 环同源物的发散合成。糖部分和异黄酮 A 环上的修饰显着降低了活性,而 B 环上的变化在很大程度上是可以容忍的,以保留有效的 α-葡萄糖苷酶抑制活性。(© Wiley-VCH Verlag GmbH & Co. KGaA,69451 Weinheim,德国, 2008)