反应详情

温度

95 °C

At 85° C., 68.76 g (0.3 mol) 2-sulfamylbenzoic acid ethylester are added to 57.9 g (0.45 mol) oxalylchloride and 0.4 g diazadicyclo(2,2,2,)octane in 500 ml absolute toluene. The reaction mixture is heated yet three hours to an interior temperature of 95° C., until no gas development is observed.