Organic & biomolecular chemistry

Silver-catalyzed [3+ 2]-cycloaddition of benzynes with diazocarbonyl species via a postulated (1 H-indazol-1-yl) silver intermediate

CD Wang, RS Liu

Index: Wang, Chiou-Dong; Liu, Rai-Shung Organic and Biomolecular Chemistry, 2012 , vol. 10, # 45 p. 8948 - 8952,5

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Citation Number: 9

Abstract

We reported a new synthesis of 2-aryl-2H-indazoles via a silver-catalyzed [3+ 2]- cycloaddition of benzynes with diazocarbonyl reagents. We postulate that this transformation involves the generation of (1H-indazol-1-yl) silver to activate a subsequent arylation with the