反应详情

tert-Butyl 4-(4-(3-phenylureido)benzoyl)piperazine-1-carboxylate (15.0 g, 35.34 mmol) was stirred with 50% trifluoroacetic acid in dichloromethane (200 ml) at room temperature for 1 hour. The reaction was concentrated under vacuum and then dryed overnight on high vacuum to afford the title compound (15.5 g). MS (ESI) m/z 325.0 [M+H]+

1. concentrationThe reaction was concentrated under vacuum