trifluoromethyl group represents a formidable challenge. An asymmetric defluoroallylation reaction of 4-trifluoromethylpyridines and -pyrimidines is reported, which features an umpolung C−F bond activation, a broad substrate scope and excellent enantioselectivities.
三
氟甲基的对映选择性脱
氟转化是一项艰巨的挑战。报道了 4-三
氟甲基吡啶和 -
嘧啶的不对称脱
氟烯丙基化反应,其特点是具有超大的 C-F 键活化、广泛的底物范围和优异的对映选择性。