作者:Junko Tamiya、Erik J Sorensen
DOI:10.1016/s0040-4020(03)00936-0
日期:2003.8
A concise, enantiospecific synthesis of the phospholipase C inhibitor (−)-hispidospermidin (1) has been achieved by approximating the architecture of a reactive intermediate that may lie on the biosynthetic pathway leading to this natural product. Two compounds derived from (R)-(+)-pulegone were joined by a highly diastereoselective carbonyl addition. A proximity-facilitated, acid-induced bicyclization
磷脂酶C抑制剂(-)-蛇蝎精蛋白(1)的简明,对映体特异性合成已通过接近可能位于导致该天然产物的生物合成途径上的反应性中间体的结构而实现。通过高度非对映选择性的羰基加成将两个衍生自(R)-(+)-Pulegone的化合物连接在一起。螺[4.5] deca-1,7-二烯29的邻近促进酸诱导双环化反应生成1的四环骨架,并且是该合成过程中的关键转化。