3-溴苄溴 、
4-(5-Benzenesulfonylmethyl-3-methyl-isoxazol-4-yl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester 在
lithium diisopropyl amide 作用下,
生成 4-{5-[1-Benzenesulfonyl-2-(3-bromo-phenyl)-ethyl]-3-methyl-isoxazol-4-yl}-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester