A new preparation method for a variety of stable sulfur ylides is described. Reactions of the Corey-Kim reagent with active methylene compounds having two electron withdrawing groups in the presence of triethylamine afforded stable surfur ylides in satisfactory yields.
一种制备多种稳定
硫叶立德的新方法被介绍。在
三乙胺存在下,Corey-Kim试剂与含有两个吸电子基团的活动
甲烷化合物反应,可获得产率良好的稳定
硫叶立德。