申请人:American Cyanamid Company
公开号:US05750766A1
公开(公告)日:1998-05-12
An effective and efficient process for the preparation of dialkyl arylmalonates of formula I, ##STR1## (ring A and R are defined in the specification). In this process, an arylmethylhalide of formula II ##STR2## is treated with magnesium in an inert solvent, the resulting Grignard reagent is treated with a dialkyl carbonate or an alkyl chloroformiate, and the resulting reaction mixture is treated with a base.
一种用于制备式I的二烷基芳基丙二酸酯的有效和高效过程,其中##STR1##(环A和R在规范中定义)。在此过程中,式II的芳基甲基卤化物##STR2##与镁在惰性溶剂中反应,得到的格氏试剂与二烷基碳酸酯或烷基氯甲酸酯反应,然后将得到的反应混合物与碱处理。