作者:Marie Georgy、Valérie Boucard、Olivier Debleds、Christophe Dal Zotto、Jean-Marc Campagne
DOI:10.1016/j.tet.2008.12.051
日期:2009.2
Gold-catalyzed nucleophilic substitution of propargylic alcohols with various nucleophiles (allylsilane, electron-rich aromatics, alcohols, thiols, hydrides, 1,3-dicarbonyl derivatives, sulfonamides) is described under very mild conditions (room temperature in dichloromethane). Preliminary mechanistic investigations suggest a mechanism through a carbocation intermediate. Nucleophilic substitutions on allylic
在非常温和的条件下(室温于
二氯甲烷中)描述了
金催化的炔
丙醇被各种亲核试剂(
烯丙基
硅烷,富电子芳族化合物,醇,
硫醇,
氢化物,1,3-二羰基衍
生物,磺
酰胺)取代。初步的机理研究表明,是通过
碳正离子
中间体形成的。还描述了
烯丙基和
苄基醇上的亲核取代。