Direct synthesis of per(poly)fluoroalkylmethyl-substituted electrophilic cyclopropane derivatives

(整期优先)网络出版时间:1995-04-14
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Aconvenientanddirectper(poly)fluoroalkylmethyl-mtroducingcyclopropanationreactionwasdescribed.InthepresenceofCrCl3/Fe,per(poly)fluoroalkyliodidesreactedwithdiethylallylmalonateanditsanalogstogiveper(poly)fluoroalkylmethyl-substitutedelectrophiliccyclopropanederivativesinhighyields.Thisreactionwasconsideredtoproceedbytwosteps:radicaladditionfollowedbycyclopropanation.