Reaction of 2, 3, 4-pentantrione-3-arylhydrazones with N,N-dimethylhydrazine: Formation of substituted 1H-pyrazoles via demethylation |
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Authors: | Himatkumar V Patel Kavita A Vyas Sudhanshu P Pandey Peter S Fernandes |
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Institution: | N. S. R. Laboratory, Department of Chemistry, St. Xavier's College , Bombay , 400001 , India |
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Abstract: | A novel one-step synthesis of 4-arylazo-1H-1, 3, 5-trimethylpyrazoles is accomplished by reaction of N, N-dimethylhydrazine with 2, 3, 4-pentantrione-3-arylhydrazones via an unusual demethylation. |
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