Xiaodong Tang, Hanling Gao, Jidan Yang
Dec 5, 2014
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Influential Citations
30
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Journal
Organic chemistry frontiers
Abstract
We describe a novel and useful method to provide 1H-indazoles via copper-catalyzed tandem reaction which is triggered by an Ullmann-type reaction and followed by N–N bond formation. Arylamines, alkylamines and sulfonamides could smoothly couple with 2-bromoaryl oxime acetates and various 1H-indazoles were formed in good to excellent yields under mild reaction conditions.