HRID329843

反应详情

EQUATION

反应方程式

HRID 329843 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

A mixture of o-chlorobenzaldehyde, 2-(4-benzhydryl-1-piperazinyl)ethyl acetoacetate and methyl 3-aminocrotonate was worked up in isopropyl alcohol in the same manner as Example 1 to give 2-(4-benzhydryl-1-piperazinyl)ethyl methyl 4-(2-chlorophenyl)-2,6-dimethyl--1,4-dihydropyridine-3,5-dicarboxylate as a light yellow powder, m.p. 81°-83° C. (sintering). Yield (30.8%). IR(Nujol)cm-1 : 3320, 1680. NMR(CDCl3)δ: 2.26(6H,s, ##STR15## 3.56(3H,s,COOCH3), 4.12(2H,t,J=6,--COOCH2CH2 --), 4.17(1H,s, >N--CH<), 5.36(1H,s,C(4) --H), 5.63(1H,s,NH).