Scope and limitations of the [1,2]-alkylsulfanyl (SMe, SEt and SCH2Ph) and sulfanyl (SH) migration in the stereospecific synthesis of substituted tetrahydrofurans †
作者:Jason Eames、Nikolai Kuhnert、Stuart Warren
DOI:10.1039/b007284m
日期:——
dichloromethane gives stereospecifically substituted tetrahydrofurans via a [1,2]-SR shift in near quantitative yield. We comment on the structural variation of the migrating (RS) substituent and that of the migration origin and terminus on the outcome of the title reaction. We also report on the surprising similarity between an alkylsulfanyl (RS) and sulfanyl (SH) migrating group.
一系列4-RS-1,3-二醇(R = Me,Et,Bn和H)的酸催化重排 甲苯-对磺酸 在 二氯甲烷通过[1,2] -SR位移以接近定量的产率得到立体定向取代的四氢呋喃。我们评论了迁移(RS)取代基的结构变化以及迁移起点和终点在标题反应结果上的变化。我们还报告了烷基硫烷基(RS)与硫烷基 (SH)迁移组。