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- Title
1-Butyl-1-methylpyrrolidinium hydrogen sulfate-promoted preparation of 1,5-diaryl-3-(arylamino)-1 H-pyrrol-2(5 H)-one derivatives.
- Authors
Ghashang, Majid
- Abstract
A convenient preparative approach for synthesis of various 1,5-diaryl-3-(arylamino)-1 H-pyrrol-2(5 H)-ones promoted by 1-butyl-1-methylpyrrolidinium hydrogen sulfate is developed which involves cyclocondensation of aldehydes with amines and ethyl pyruvate under ambient conditions. Graphical abstract: A convenient preparative approach for synthesis of various 1,5-diaryl-3-(arylamino)-1 H-pyrrol-2(5 H)-ones promoted by 1-butyl-1-methylpyrrolidinium hydrogen sulfate is developed which involves cyclocondensation of aldehydes with amines and ethyl pyruvate under ambient conditions.[Figure not available: see fulltext.]
- Subjects
SULFURIC acid; BUTYL group; PYRROLINONES; CHEMICAL derivatives; ORGANIC synthesis; ALDEHYDES; CONDENSATION reactions; RING formation (Chemistry)
- Publication
Research on Chemical Intermediates, 2013, Vol 39, Issue 5, p2187
- ISSN
0922-6168
- Publication type
Article
- DOI
10.1007/s11164-012-0749-9