反应详情

4 M hydrogen chloride/EtOAc solution (70 ml) was added to tert-butyl 4-(phenylethynyl)piperidine-1-carboxylate (7.0 g), followed by stirring at room temperature for 30 minutes. The solvent was evaporated to obtain 4-(phenylethynyl)piperidine hydrochloride (5.4 g) as a white powder.

1. customThe solvent was evaporated