A new method for converting benzyl and benzal chlorides to benzotrichlorides is reported. In contrast to prior art, the process involves contacting the substrates with strong alkali in a two-phase system containing phase transfer catalyst using organic soluble perchloralkanes acting upon base-generated carbanions. The method is particularly useful for preparing benzotrichlorides substituted by either alkyl or nitro groups.
本报告介绍了一种将苄基和
苯甲醛氯化物转化为苯并三
氯化物的新方法。与现有技术不同的是,该方法是在含有相转移催化剂的两相体系中,利用有机可溶性高
氯烷作用于碱生成的碳离子,使底物与强碱接触。该方法尤其适用于制备被烷基或硝基取代的三
氯化苯。