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Notizen Oxonitriles in Heterocyclic Synthesis: Some New Approaches for the Synthesis of Pyridazine, Pyrazole, Pyridine, and Pyrido[2,3-d]pyridazine Derivatives

✍ Scribed by Fahmy, Sherif M. ;Mohareb, Rafat M.

Publisher: John Wiley and Sons
Year: 1985
Tongue: English
Weight: 297 KB
Volume: 1985
Category: Article
ISSN: 0947-3440
DOI: 10.1002/jlac.198519850720

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✦ Synopsis

Oxonitrile in der Heterocyclensynthese: Einige neue Synthesemethoden für Pyridazin‐, Pyrazol‐, Pyridin‐ und Pyrido[2,3‐d]pyridazin‐Derivate

ω‐Cyanacetophenon geht in Anwesenheit von katalytischen Mengen von Cyanacetamid Knoevenagel‐Selbstkondensation ein und ergibt in der Schmelze das neue Oxonitril 2. Dieses reagiert mit Benzoldiazonium‐chlorid. Hydrazinen und CH‐aciden Verbindungen zu heterocyclischen Ringsystemen.

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