Simple thioesters undergo direct aldol addition to aldehydes in the presence of magnesium bromide-diethyl ether and N,N-diisopropylethylamine using untreated, reagent grade dichloromethane under atmospheric conditions. The reactions proceed extremely rapidly and in excellent yield.
简单
硫酯在无处理的试剂级
二氯甲烷、
镁溴化物-二
乙醚和
N,N-二异丙基乙胺的存在下,直接与醛进行aldol加成反应,反应在常压条件下进行。反应速度非常快,产率极高。