2-Carbomethoxy-3-hydroxyquinoxaline-di-N-oxide was identified as an efficient novel ligand for the copper-catalyzedcoupling of arylhalides with various phenols under mild conditions. The catalytic system shows great functional-group tolerance and excellent reactive selectivity.
2-Carbomethoxy-3-hydroxyquinoxaline-di- N - oxide被确定为在温和条件下铜催化芳基卤化物与各种酚偶联的有效新型配体。该催化体系显示出强大的官能团耐受性和出色的反应选择性。