Enaminones as Building Blocks in Heterocyclic Syntheses: Reinvestigating the Product Structures of Enaminones with Malononitrile. A Novel Route to 6-Substituted-3-Oxo-2,3-Dihydropyridazine-4-Carboxylic Acids

Enaminones as Building Blocks in Heterocyclic Syntheses: Reinvestigating the Product Structures of Enaminones with Malononitrile. A Novel Route to 6-Substituted-3-Oxo-2,3-Dihydropyridazine-4-Carboxylic Acids

The reported structures of reaction products of enaminones with malononitrile in ethanolic piperidine are revised. A novel route to 2,3-dihydropyridazine-4-carboxylic acids 4a-c via reactions of 2-cyano-5-(dimethylamino)-5-arylpenta-2,4-dienamides 8a-c with nitrous acid or with benzenediazonium chlo...

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Bibliographic Details
Main Authors: Mohamed Hilmy Elnagdi, Amal Al-Enezi, Mervat Mohammed Abdelkhalik, Abdul-Aziz Alnajjar
Format: Article
Language:English
Published: MDPI AG 2008-12-01
Series:Molecules
Subjects:
Enaminones
2-Cyano-5-(dimethylamino)-5-arylpenta-2
4-dienamide
DEPT
Experiments
X-ray crystal structure
Online Access:http://www.mdpi.com/1420-3049/14/1/68/

Internet

http://www.mdpi.com/1420-3049/14/1/68/

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