The magnesiation of halogenated aromatic and heteroaromatic carboxylic acids is accomplished by their treatment with MeMgCl in the presence of LiCl and subsequent reaction with i-PrMgCl·LiCl; the resulting double-magnesiated species react with a variety of electrophiles in up to 97% yield.
卤代芳香族和杂芳香族
羧酸的
镁化通过将其与MeMgCl在LiCl存在下处理,随后与i-PrMgCl·LiCl反应来完成;所得到的双
镁化物种可与多种电亲核试剂反应,产率高达97%。