反应详情

To a suspension of 5-(4-piperidyl)-4-(4-pyridyl)-3-(4-fluorophenyl)pyrazole (Example C-2) (0.11 g, 0.35 mmol) in 2 mL EtOH was added ethyl acetamidate hydrochloride (0.065 g, 0.53 mmol) and the mixture was refluxed for 30 minutes. The solution was left at 5-10° C. for 16 h and filtered to obtain the title compound as a white solid: MS (M+H): 364 (base peak).

1. temperaturethe mixture was refluxed for 30 minutes
2. filtrationfiltered