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- Title
Nanosilica-supported dual acidic ionic liquid as a heterogeneous and reusable catalyst for the synthesis of flavanones under solvent-free conditions.
- Authors
Rostamizadeh, Shahnaz; Zekri, Negar; Tahershamsi, Leili
- Abstract
[Figure not available: see fulltext.] A nanosilica-supported dual acidic ionic liquid on the basis of 1-methyl-3-(4-sulfobutyl)imidazolium hydrogen sulfate was synthesized and used as an efficient, green, non-corrosive, non-toxic, heterogeneous, and reusable catalyst for the synthesis of some new and known substituted flavanones. The synthesis was done by the condensation of 2'-hydroxyacetophenone with different aldehydes and the subsequent cyclization of the resulting 2'-hydroxychalcone in the presence of the catalyst. High yields of the products, short reaction times, and solvent-free conditions characterize this new method.
- Subjects
FLAVANONES; SILICA; IONIC liquids; SULFURIC acid; HYDROXYACETOPHENONES; CATALYSTS; ALDEHYDES; CONDENSATION
- Publication
Chemistry of Heterocyclic Compounds, 2015, Vol 51, Issue 6, p526
- ISSN
0009-3122
- Publication type
Article
- DOI
10.1007/s10593-015-1728-z