Synthesis of D-D4FC, a biologically active nucleoside via an unprecedented palladium mediated Ferrier rearrangement-type glycosidation with an aromatization prone xylo-furanoid glycal
作者:Anusuya Choudhury、Michael E. Pierce、Dieu Nguyen、Louis Storace、Pat N. Confalone
DOI:10.1016/j.tetlet.2005.09.139
日期:2005.11
architecture is suitable for a Ferrier rearrangement kind of operation on a furanoid glycal to fix the position of the double bond and the relative stereochemistry. Despite the fact that classical Ferrier rearrangement does not work on furanoid glycals, a palladium mediated modified protocol has been developed for the glycosidation of an aromatization prone xylo-furanoid glycal (5) for the synthesis of D-D4FC
D-D4FC(1)是目前处于II期临床试验(Pharmaset Inc)的抗HIV药物。它的分子结构适用于在呋喃糖基糖上进行Ferrier重排操作,以固定双键的位置和相对的立体化学。尽管事实证明经典的Ferrier重排不适用于呋喃糖,但已开发了钯介导的修饰方案,用于糖化易芳香化的木糖基呋喃糖(5),以合成D-D4FC。