reaction of cyclic ketones with CF3CHN2 as the trifluoromethylation reagent. This reaction could be applied to construct silicon-stereogenic centers with moderate diastereoselectivities and high enantioselectivities.
α-三
氟甲基
环庚酮在手性中心上含有 C(sp 3 )-CF 3键,通过高立体选择性 Sc III /手性双
恶唑啉催化的环状酮与 CF 3 CHN 2作为三
氟甲基化试剂的同系化反应获得。该反应可用于构建具有中等非对映选择性和高对映选择性的
硅立体中心。