The composite lead fluoride reagent prepared from PbF2 and NaBr is a nonhygroscopic and efficient solid reagent for promoting FriedelâCrafts type reaction of aromatic compounds with allylic halides selectively to afford the monoallylated compounds.
由
氟化
铅 (PbF2) 和
溴化钠 (NaBr) 制备的复合
氟化
铅试剂是一种不吸湿且高效的固体试剂,可选择性地促进芳香化合物与烯丙基卤化物发生傅克型反应,从而得到单烯丙基化合物。