HRID328225

反应详情

EQUATION

反应方程式

HRID 328225 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

Upon heating a solution of 12.3 g 2-nitrobenzylidenecyanoacetic acid ethyl ester, 7.2 g amidinoacetic acid isopropyl ester and 0.6 g sodium ethylate in 150 ml ethanol for four hours, 2,6-diamino-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid-3-isopropyl ester 5-ethyl ester of m.p. 110° C is obtained.