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TFA catalyzed sequential amination/annulation/aromatization reaction of 2-propynyl-1.3-dicarbonyl compounds with amines: A new one-pot approach to functionalized pyrroles
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10.3998:ark.5550190.0006.f15.pdf
Date
2005-10-9
Author
Demir, Ayhan Sıtkı
Aybey, Asuman
Kayalar, Metin
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Highly flexible and efficient syntheses of 1,2,3,5-substituted pyrroles starting from 2-propynyl1,3-dicarbonyl compounds and amines are presented. TFA catalyzed formation of the pyrroles is suggested to proceed through sequential amination of the carbonyl compounds followed by regioselective 5-exo-dig cyclization of the enaminone intermediate and aromatization.
Subject Keywords
Amination
,
Cyclization
,
TFA
,
2-propynyl-1
,
3-dicarbonyls
,
Pyrroles
URI
https://hdl.handle.net/11511/50878
Journal
Arkivoc
DOI
https://doi.org/10.3998/ark.5550190.0006.f15
Collections
Department of Chemistry, Article