Studies on 3,5-Diamino Pyrazoles: Chemical Behavior of 4-Phenylazo-3,5-diaminopyrazoles
Autor: | Mohamed Hilmy Elnagdi, E. M. Kandeel, Mohamed Rifaat Hamza Elmoghayar |
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Rok vydání: | 1977 |
Předmět: | |
Zdroj: | Zeitschrift für Naturforschung B. 32:307-310 |
ISSN: | 1865-7117 0932-0776 |
DOI: | 10.1515/znb-1977-0315 |
Popis: | 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. |
Databáze: | OpenAIRE |
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