A novel and straightforward method to accomplish regioselective αâ²-bromination of α,β-unsaturated ketones, in which a substrateâCF3CO2HâCuBrâEt4NOTsâMeCN system is subjected to electrolysis with variable current density, is described.
提出了一种新颖而直接的方法,通过在可变电流密度下对底物-CF3CO2H-CuBr-Et4NOTs-MeCN体系进行电解,实现了α,β-不饱和酮的区域选择性α'-
溴化。