斑纹芦荟中异芦荟苦素的分子结构

The Molecular Structure of Iso-aloesin IsoIated from the Leaves of Atioe vera L.var.chinensis (Haw.) Berge

从广西产斑纹芦荟中分到一个新化合物异芦荟苦素,分子式C_(19)H_(22)O_9,其结构为2-丙酮基-6-C-β-D-吡喃葡萄糖-7-羟基-5-甲基对氧萘酮。

A new constituent iso-aloesin was isolated from the leaves of Aloe vera var. chinensis found in the Province of Guangxi. The molecular formula of iso-aloesin is C_(19) H_(22) O_9, which is 2-acetonyl-6-C-β-D-glueopyranosyl-7-hydroxy-5-methyl-chromone.