Improved Synthesis of Phytosphingosine and Dihydrosphingosine from 3,4,6-Tri-O-benzyl-D-galactal
作者:Youhong Niu、Xiaoping Cao、Xin-Shan Ye
DOI:10.1002/hlca.200890076
日期:2008.4
An efficient and facile synthesis of phytosphingosine and dihydrosphingosine derivatives is described with less steps and in improved overall yield (66–72%) starting from commercially available tri-O-benzyl-D-galactal. The key steps include Wittig reaction, Mitsunobu transformation, reduction, and deprotection.
从市售的三-O-苄基-D-半乳糖开始,描述了一种高效且简便的植物鞘氨醇和二氢鞘氨醇衍生物合成步骤,步骤少,总收率提高了(66-72%)。关键步骤包括Wittig反应,Mitsunobu转化,还原和脱保护。