Photocatalytic gem‐Difluoroolefination Reactions by a Formal C−C Coupling/Defluorination Reaction with Diazoacetates
作者:Fang Li、Chao Pei、Rene M. Koenigs
DOI:10.1002/anie.202111892
日期:2022.1.21
Amines unlock an unconventional reaction of diazoalkanes with α-trifluoromethyl styrenes. Under photocatalytic conditions, no cyclopropanation occurs, instead a gem-difluoroolefin is formed via C−C bond formation and fluoride elimination.
胺类开启了重氮烷烃与 α-三氟甲基苯乙烯的非常规反应。在光催化条件下,不发生环丙烷化,而是通过 C-C 键形成和氟化物消除形成偕二氟烯烃。