Sulfur‐based olefination with Horner–Wadsworth–Emmons‐type mechanism is systematically studied. Nonstabilized and semistabilized carbanion precursors react with carbonyl compounds giving good yields of olefins, and for the latter reagents E isomers of alkenes predominate.
系统地研究了基于霍纳-沃兹沃思-埃蒙斯型机理的
硫基烯烃化反应。未稳定的和半稳定的碳负离子前体与羰基化合物反应,可提供良好的烯烃收率,而对于后一种试剂,烯烃的E异构体占主导地位。