Chemistry of heterocyclic compounds

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

A Deeb, F Yassin, N Ouf, W Shehta

文献索引：Deeb; Yassin; Ouf; Shehta Chemistry of Heterocyclic Compounds, 2010 , vol. 46, # 2 p. 212 - 222

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被引用次数: 6

摘要

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 yielded the