反应详情

The title compound was prepared from 2-n-propoxy-benzoyl chloride (5.33 g, 0.027 mol) and 5-amino-3-methyl-1-n-propylpyrazole-4-carboxamide (Preparation 6; 4.07 g, 0.022 mol) in pyridine (100 ml), following the procedure of Preparation 2, and was obtained as a white solid (5.84 g, 76%). A sample was crystallised from ethyl acetate-hexane, m.p. 111-113° C. Found: C, 62.83; H, 7.09; N, 16.26. C18H24N4O3 requires C, 62.77; H, 7.02; N, 16.27%.

1. customthe procedure of Preparation 2