Epoxy vinyl sulfoxides, generated in situ from sulfinyl chlorohydrins, undergo an efficient base-induced rearrangement to generate enantiopure hydroxy 2-sulfinyl dienes. The chiral sulfur auxiliary controls the E-Z stereoselectivity of the trisubstitutedalkene.
由亚磺酰基
氯醇原位产生的
环氧乙烯基亚砜经过有效的碱诱导的重排,生成对映纯的羟基2-亚磺酰基二烯。手性
硫助剂控制三取代烯烃的E - Z立体选择性。