HRID1833340

反应详情

EQUATION

反应方程式

HRID 1833340 的结构方程式

PROCEDURE

实验过程

When in Example 3 the 2-methylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-5(4H)-one is replaced by the 8-chloro-2-methylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-5(4H)-one pf Example 1b, 2,4-dimethyl-8-chloropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-5(4H)-one is obtained, yield: 73%; m.p. 253.8° (DMF).