HCID 178471600, compound → HCID 20040885, compound

Participants

Reaction Steps

Ethyl 3-[3-(4-chlorophenyl)-pyrazol-4-ylamino]crotonate (D14) (0.6 g) was added to refluxing Dowtherm A (20 ml) under nitrogen and heated for 20 min. The cooled solution was diluted with petroleum ether (40°-60°; 100 ml) and the resulting solid was collected and washed well with petroleum ether to afford the title compound (0.39 g) m.p. 324°-327° C. (Found: C, 60.06; H, 3.74; N, 16.14% C13H10N3OCl requires C, 60.13; H, 3.88; N, 16.18%)

Provenance & Evidence