6-(2,5-Dichlorothiophen-3-yl)-2-methylimidazo[2,1-b][1,3]thiazole-5-carbaldehyde 、
乙酰乙酸甲酯 在
ammonium hydroxide 作用下,
以
异丙醇 为溶剂,
以10%的产率得到dimethyl 4-(6-(2,5-dichlorothiophen-3-yl)-2-methylimidazo[2,1-b]thiazol-5-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate