氨氯地平 、 、
2-(2-{2-[2-chloro-4-(6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenoxy]acetylamino}ethoxymethyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid dimethyl ester 在
methyl 6-[(2-{2-[2-chloro-4-(6-oxo(1,4,5-trihydropyridazin-3-yl))phenoxy]acetylamino}ethoxy)methyl]-4-(2-chlorophenyl)-5-(ethoxycarbonyl)-2-methyl-1,4-dihydropyridine-3-carboxylate 作用下,
以
乙酸乙酯 为溶剂,
反应 0.17h,
以Pure Compound 9 was obtained by re-crystallization from ethyl acetate (1.45 g, 51% yield, 99% pure by 10 min的产率得到methyl 6-[(2-{2-[2-chloro-4-(6-oxo(1,4,5-trihydropyridazin-3-yl))phenoxy]acetylamino}ethoxy)methyl]-4-(2-chlorophenyl)-5-(ethoxycarbonyl)-2-methyl-1,4-dihydropyridine-3-carboxylate