作者:Karen Plé、Martin Chwalek、Laurence Voutquenne-Nazabadioko
DOI:10.1016/j.tet.2005.03.003
日期:2005.5
The synthesis of eight hederagenin saponins, five of which are natural products, and their methyl esters is described as part of an ongoing study of the biological activity of triterpenoid saponins. Six disaccharides consisting of an l-arabinopyranose glycosylated in positions 2, 3, or 4 with a β-d-xylopyranose or a β-d-glucopyranose residue, respectively, were synthesized in good to excellent yields
作为三萜类皂苷生物活性的一项正在进行的研究的一部分,描述了八种类二十碳皂苷元皂苷的合成,其中五种是天然产物,以及它们的甲酯。合成了六种由在位置2、3或4处糖基化的一个1阿拉伯吡喃葡萄糖构成的二糖,它们分别具有β-d-吡喃葡萄糖或β-d-吡喃葡萄糖残基。然后,通过用适当保护的二十碳皂苷元衍生物进行糖基化,然后完全脱保护并用重氮甲烷处理,以高收率制备皂苷。