HRID1973108

反应详情

EQUATION

反应方程式

HRID 1973108 的结构方程式

PROCEDURE

实验过程

4-Butylamino-6-chloro-2-methyl-5-nitropyridine-3-carboxylic acid ethyl ester is treated with ethylamine according to the procedure in Example 1 c and 4-butylamino-6-ethylamino-2methyl-5-nitropyridine-3-carboxylic acid ethyl ester is obtained, yield 86%, m.p. 53°-55° (methanol).