反应详情

35 g (0.1 mol) of 3-ethyl-2-methyl-benzothiazolium p-toluenesulfonate are suspended in 300 ml of toluene, 28 g (0.11 mol) of p-trichloromethyl-benzoyl chloride are added, and 23 g (0.23 mol; 31.5 ml) of triethylamine are added dropwise at 15° C.