Exploiting a Difference in Leaving Group Ability: An Approach to β-Substituted Monofluoroalkenes Using <i>gem</i>-Chlorofluoropropenes
作者:Jean-Denys Hamel、Mélissa Cloutier、Jean-François Paquin
DOI:10.1021/acs.orglett.6b00590
日期:2016.4.15
The superior nucleofuge character of chlorine over fluorine was taken advantage of in the selective SN2′ substitution reaction of gem-chlorofluoropropenes, allowing for the clean formation of β-substituted monofluoroalkenes under metal-free conditions. Numerous N-, S-, O-, and C-nucleophiles behaved nicely in this system. Further synthetic transformations of selected monofluoroalkenes were also accomplished
在宝石-氯氟丙烯的选择性S N 2'取代反应中,利用了氯优于氟的核沉子特性,从而可以在无金属的条件下干净地形成β-取代的单氟烯烃。在该系统中,许多N-,S-,O-和C-亲核试剂表现良好。还完成了所选单氟烯烃的进一步合成转化。