Synthesis of 3-Substituted Indazoles from Arynes and N-Tosylhydrazones
Organic Letters2011Vol. 13(13), pp. 3340–3343
Citations Over TimeTop 10% of 2011 papers
Abstract
Readily available, stable, and inexpensive N-tosylhydrazones react with arynes under mild reaction conditions to afford 3-substituted indazoles in moderate to good yields. The reaction appears to involve a dipolar cycloaddition of in situ generated diazo compounds and arynes.
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