An improved chemical synthesis for intermediates of compounds having useful biological activity is disclosed, where the use of PBr3 is employed as a reagent for a selective ring opening of cyclopropylcarbinols to give bromopropylidene products which are highly selectively the E isomer.
本发明公开了一种改进的
化学合成方法,用于合成具有有用
生物活性的化合物的中间体。该方法采用PBr3作为试剂,对环丙基醇进行选择性开环反应,生成高度选择性的E异构体
溴丙烯基产物。