Various N-substituted derivatives of 2H-1, 4-benzothiazin-3(4H)-one are obtained in high yields employing functionalized alkyl halides and potassium tert-butoxide in dimethylformamide. The method is mild, regioselective and tolerates a variety of functional groups.
利用二甲基甲酰胺中的官能化烷基卤化物和
叔丁醇钾,高产率地获得了 2H-1,4-苯并
噻嗪-3(4H)-酮的各种 N-取代衍
生物。 该方法性质温和,具有区域选择性,可容忍多种官能团。