and stereoselectivities the corresponding 1,2-disubstituted alkenes through the Julia–Kocienski olefination reaction. This one-pot protocol can be performed using KOH at room temperature or the phosphazene base P4-t-Bu at −78 °C, and has been successfully used in a high yielding and stereoselective synthesis of various stilbenes such as resveratrol.
衍生自烷基3,5-双(三
氟甲基)苯基砜的碳负离子与醛之间的反应,通过Julia-Kocienski烯烃化反应可提供良好的收率和立体选择性,得到相应的1,2-二取代的烯烃。可以在室温下使用KOH或在-78°C下使用
磷腈碱P4- t- Bu进行此一锅法操作,已成功用于各种
白藜芦醇(如
白藜芦醇)的高产率和立体选择性合成中。