Palladium(0) catalyzed reduction of 1-(1-alkenyl)- and 1-(1-cycloalkenyl)cyclopropyl esters provides an useful alternative to the Wittig reactions of cyclopropylidenetriphenylphosphorane or of cyclopropanone hemiacetals and an easy route to strained methylenecyclopropane derivatives.
钯(0)催化的1-(1-烯基)-和1-(1-环烯基)环丙基酯的还原为环丙基亚乙基三苯基
磷烷或
环丙烷酮半缩醛的Wittig反应提供了有用的替代方法,并提供了容易的方法来制备应变的
亚甲基环丙烷衍
生物。