HRID2397900
反应详情
EQUATION
反应方程式
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生成物
PROCEDURE
实验过程
Upon heating a solution of 12.5 g of 2-nitrobenzylideneacetoacetic acid methyl ester and 7.2 g of amidinoacetic acid isopropyl ester in 100 ml of ethanol for 8 hours, 2-amino-6-methyl-4-(2 -nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid 3-isopropyl ester 5-methyl ester of melting point 203° C. (isopropanol) is obtained. Yield: 50% of theory.