ChemInform Abstract: Synthesis of 2,5-Bis-arylpyridines by [4 + 2] Cycloaddition of 1,4-Bis-aryl-2-aza-1,3-butadienes with Electron-Poor Dienophiles

Autor:	Jean-Laurent Paparin, Loïc Toupet, René Grée, Christophe Crévisy
Rok vydání:	2000
Předmět:	chemistry.chemical_compound Chemistry Aryl General Medicine Medicinal chemistry Cycloaddition
Zdroj:	ChemInform. 31
ISSN:	1522-2667 0931-7597
DOI:	10.1002/chin.200038145
Popis:	Tetrahydropyridines 4a, 4b, 4c and pyridines 7a, 7b, 7c, 9a, 9b, 9c were synthesized by a [4 + 2] cycloaddition between 1,4-bis aryl-2-aza-1,3-butadienes and electron-poor dienophiles. Dimeric cycloadducts 6a, 6b, 6c, were also isolated indicating a competition between the expected Hetero Diels-Alder and a dimerization process.
Databáze:	OpenAIRE
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