Studies on 3,5-Diamino Pyrazoles: Chemical Behavior of 4-Phenylazo-3,5-diaminopyrazoles
Open Access
- 1 March 1977
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 32 (3) , 307-310
- https://doi.org/10.1515/znb-1977-0315
Abstract
The behaviour of 3,5-diamino-4-phenylazopyrazole (1) toward isothiocyanates, acrylonitrile and ethyl ethoxymethylenecyanoacetate is investigated. An improved synthesis of 4-unsubstituted-3,5-diaminopyrazoles by an arylazo removal reaction is also reported.Keywords
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