Copper-Catalyzed Aerobic C(sp2)–H Functionalization for C–N Bond Formation: Synthesis of Pyrazoles and Indazoles

• DOI: 10.1021/jo400162d
• Publication Date: 2013-03-25T10:48:19Z
• Authors: Xianwei Li; Li He; Huoji Chen; Wanqing Wu; Huanfeng Jiang
• Keywords: Indazoles; Molecular Structure; Pyrazoles; Oxidation-Reduction; 01 natural sciences; Catalysis; Copper; Amination; 0104 chemical sciences

AbstractA simple, practical and highly efficient synthesis of a wide range of different substituted pyrazoles and indazoles starting from hydrazone derivatives under mild reaction conditions is developed.