Synthesis of 6-hydroxycembrane precursors by conformationally controlled diastereoselective [2,3] wittig ring contraction
作者:James A. Marshall、Edward D. Robinson、Jacques Lebreton
DOI:10.1016/0040-4039(88)85289-4
日期:1988.1
[2,3] Wittig ring contraction of the alkoxy substituted 17-membered allylic propargylic ethers 8 and 10 gives the trans/syn products 11 and 12 as the major diastereoisomers.
[2,3]烷氧基取代的17元烯丙基炔丙基醚8和10的Wittig环收缩得到作为主要非对映异构体的反式/同式产物11和12。