5-Benzenesulfonylmethyl-3-methyl-isoxazole-4-carbaldehyde 在
ammonium hydroxide 、
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