反应详情

Trifluoroacetic acid (4 mL) was added to a solution of tert-butyl 4-(4-cyano-2-oxo-2,3-dihydro-1H-imidazol-1-yl)piperidine-1-carboxylate (25 mg, 0.086 mmol) in dichloromethane (6 mL). After 20 min, the reaction was concentrated to give the title compound. MS 193.3 (M+1)

1. concentrationthe reaction was concentrated