反应详情

2-Chloro-5-nitrobenzonitrile (15 g), 4-piperidone monohydrate hydrochloride (13.9 g) and triethylamine (25 ml) were added to acetonitrile (100 ml), and the mixture was stirred at a refluxing temperature for 1.5 h. 0.5 N Aqueous hydrochloric acid solution (200 ml) was added to the reaction mixture to allow crystallization to give the title compound (16.1 g), melting point: 109° C.

1. customcrystallization