A new convenient synthesis of a series of polyfluoroalkyl substituted cyclopropane derivatives was achieved by the reaction of polyfluoroalkyl iodides with diethyl allylmalonate in the presence of sodium dithionite in 45 % ~ 55 % yields 摘要以连二亚硫酸钠为引发剂,烯丙基丙二酸二乙酯与多氟烷基碘代烷在温和条件下反应,方便地得到一系列多氟烷基取代的环丙烷衍生物,产率45 % ~ 55 % 。