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Syntheses with Unsaturated Nitriles, IX: 3(2H)‐Pyridazinones from Alkylidenemalononitrile Dimers

 

作者: Maria J. Mokrosz,  

 

期刊: Archiv der Pharmazie  (WILEY Available online 1993)
卷期: Volume 326, issue 1  

页码: 39-43

 

ISSN:0365-6233

 

年代: 1993

 

DOI:10.1002/ardp.19933260109

 

出版商: WILEY‐VCH Verlag

 

数据来源: WILEY

 

摘要:

AbstractThe coupling of 1‐amino‐2,6,6‐tricyanocyclohexadiene derivatives1‐3with a variety of aryldiazonium salts produces the hydrazones5‐7which in the presence of weak base in ethanol at elevated temperature furnish 2‐aryl‐4‐cyanopyridazin‐3(2H)‐ones8‐10. In boiling toluene, however, the tautomeric hydrazones

 

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