HRID1414420

反应详情

EQUATION

反应方程式

HRID 1414420 的结构方程式

PROCEDURE

实验过程

Upon heating a solution of 13.9 g of 3-nitrobenzylideneacetoacetic acid isopropyl ester and 7.2 g of amidinoacetic acid n-propyl ester in 100 ml of ethanol for 6 hours, 2-amino-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid 3-n-propyl ester 5-isopropyl ester of melting point 199°C (isopropanol) is obtained.