HRID1973108
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
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).