838820-88-5Relevant articles and documents
Synthesis of 1-aryl-1H-indazoles via a ligand-free copper-catalyzed intramolecular amination reaction
Gao, Mingshan,Liu, Xiujie,Wang, Xianyang,Cai, Qian,Ding, Ke
, p. 1199 - 1204 (2012/04/05)
A general synthesis of 1-aryl-1-H-indazoles from o-halogenated aryl aldehydes or ketones and aryl hydrazines was described. This protocol included an intermolecular condensation and a ligand-free copper-catalyzed intramolecular Ullmann-type coupling react