反应详情

A solution of 4-bromobenzonitrile (17.65 g, 97 mmol) in ethanol (500 mL) was acidified with hydrogen chloride gas at 0° C. for fifteen minutes. The solution was allowed to stir for 16 h. The solution was condensed under reduced pressure to afford the title compound (25.35 g, 99%). MS (ESI) m/z 228.1 [M]+, 230.4 [M+2]+.

1. customcondensed under reduced pressure