Solvent-free ring opening of 1,2-epoxides with aromatic and aliphatic thiols under 1 mol% magnesium bromide ethyl etherate catalysis affords rapid formation of β-hydroxy sulfides at ambient temperature with excellent yields. Nucleophilic attack of the thiols occurs regioselectively at the less hindered position of the epoxides.
在 1 mol%
溴化镁乙基醚合物催化下,1,2-
环氧化物与芳香族和脂肪族
硫醇的无溶剂开环可在环境温度下以优异的产率快速形成 β-羟基
硫化物。
硫醇的亲核攻击区域选择性地发生在
环氧化物的受阻较小的位置。