1-Aryl-1,2,3-benzotriazole systems are synthesized in the high-yielding cyclocondensation of 2-(arylamino)aryliminophosphoranes under mild conditions. The reaction concludes the three-step, halogen-free synthetic route starting from simple nitroarenes and arylamines.
1-Aryl-1,2,3-苯并三唑系统是在温和条件下通过 2-(芳基
氨基)芳基亚
氨基正膦的高产环缩合反应合成的。该反应结束了从简单的硝基
芳烃和芳胺开始的三步无卤素合成路线。