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RECENT SYNTHETIC APPROACHES TO 1H- AND 2H-INDAZOLES

Gaurav S. Rai, Jayesh J. Maru
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Abstract


The work summarizes latest strategies for the synthesis of 1H- and 2H-indazoles published during the last five years. The strategies include transition metal catalyzed reactions, reductive cyclization reactions, and
synthesis of 2H-indazoles via consecutive formation of C–N and N–N bonds without catalyst and solvent from 2-azidobenzaldehydes and amines. This review article gives a brief outline of optimized synthetic schemes with relevant examples.


Keywords


1H-indazole; 2H-indazole

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