Asymmetric synthesis of 5-hexadecanolide, pheromone of the queen of the Oriental hornet, Vespa orientalis
作者:Sushil Raina、Vinod K. Singh
DOI:10.1016/0040-4020(96)00095-6
日期:1996.3
An efficient asymmetric synthesis of 5-hexadecanolide from a chiral epoxide is described. Both the enantiomeric forms of the chiral epoxide are easily available from mannitol and ascorbic acid. The key step in the synthesis is the formation of δ-lactone from δ-hydroxy acetal using m-CPBA and BF3·OEt2.
描述了一种从手性环氧化物有效地不对称合成5-十六烷化物的方法。手性环氧化物的两种对映体形式均可容易地从甘露醇和抗坏血酸获得。合成的关键步骤是使用m-CPBA和BF 3 ·OEt 2从δ-羟基乙缩醛形成δ-内酯。