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. 2010 May 21;12(10):2234-7.
doi: 10.1021/ol100586r.

Synthesis of 2H-indazoles by the [3 + 2] cycloaddition of arynes and sydnones

Chunrui Wu  1 , Yuesi Fang, Richard C Larock, Feng Shi
Affiliations

Synthesis of 2H-indazoles by the [3 + 2] cycloaddition of arynes and sydnones

Chunrui Wu et al. Org Lett. .

Abstract

A rapid and efficient synthesis of 2H-indazoles has been developed, which involves the [3 + 2] dipolar cycloaddition of arynes and sydnones. The process proceeds under mild reaction conditions in good to excellent yields.

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Figures

Scheme 1
Scheme 1
Proposed Cycloaddition of Sydnones and Arynes
See this image and copyright information in PMC

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