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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 22, 1992 - Issue 21
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Original Articles

Reaction of 2, 3, 4-pentantrione-3-arylhydrazones with N, N-dimethylhydrazine: Formation of substituted 1H-pyrazoles via demethylation

Himatkumar V. Patel N. S. R. Laboratory, Department of Chemistry, St. Xavier's College, Bombay, 400001, India
,
Kavita A. Vyas N. S. R. Laboratory, Department of Chemistry, St. Xavier's College, Bombay, 400001, India
,
Sudhanshu P. Pandey N. S. R. Laboratory, Department of Chemistry, St. Xavier's College, Bombay, 400001, India
&
Peter S. Fernandes N. S. R. Laboratory, Department of Chemistry, St. Xavier's College, Bombay, 400001, India
Pages 3081-3087 | Received 16 Jun 1992, Published online: 01 Apr 2009
 
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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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