反应详情

A reaction mixture comprising 4.32 g. of 3-aminopyrazole-4-carbonitrile, 7.0 g. of 3-dimethylaminoacrylophenone and 25 ml. of glacial acetic acid is refluxed for 7 hours. The mixture is evaporated and the residue is treated as described in Example 1, giving the desired product, m.p. 230°-232° C.

1. customThe mixture is evaporated
2. additionthe residue is treated