Pyridazine derivatives and related compounds. 23*. Synthesis of 3-substituted pyrazolo[3,4-c]pyridazines and their application as disperse dyes

Faculty Science Year: 2010
Type of Publication: ZU Hosted Pages:
Authors:
Nabil Hassan Mustafa Awad
Journal: Chemistry of Heterocyclic Compounds USA Volume:
Keywords : Pyridazine derivatives , related compounds. 23*. Synthesis    
Abstract:
Acetylacetone and malononitrile were coupled with diazotized arylamines to give arylazoacetyl-acetones and arylazomalononitriles. When refluxed with 3-hydrazino-4,5-diphenyl-1H-pyrazolo-[3,4-c]pyridazine in the presence of ethanol/HCl, they
    
     
 
       

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