2-Allyl-2-[2-(diphenyl-phosphinoyl)-2-oxo-ethyl]-malonic acid dimethyl ester 、 2-Allyl-2-[2-oxo-2-(m-tolyl-p-tolyl-phosphinoyl)-ethyl]-malonic acid diethyl ester 以
苯 为溶剂,
反应 2.0h,
生成 3-oxo-4-diphenylphosphinoylmethylcyclopentane-1,1-dicarboxylic acid dimethyl ester 、 3-oxo-4-diphenylphosphinoylmethylcyclopentane-1,1-dicarboxylic acid diethyl ester 、 3-oxo-4-(bis(4-methylphenyl)phosphinoyl)methylcyclopentane-1,1-dicarboxylic acid dimethyl ester 、 3-oxo-4-(bis(4-methylphenyl)phosphinoyl)methylcyclopentane-1,1-dicarboxylic acid diethyl ester