Abstract
Brøsted Acidic Ionic Liquid ([Bmim]Hso4) Promoted Cyclocodensation Reaction: Synthesis of 3,4,5-Substituted Furan-2(5h)-Ones
Sajjad Salahi, Malek Taher Maghsoodlou,* and Nourallah Hazeri
DOI : http://dx.doi.org/10.13005/ojc/310424
Abstract:
1-Butyl-3-methylimidazolium hydrogen sulfate [bmim]HSO4: an acidic ionic liquid was used as a catalyst for the synthesis of heterocyclic compounds 3,4,5-substituted furan-2(5H)-ones from aniline derivatives, dialkyl acetylenedicarboxylates and aromatic aldehydes at 75 °C. Solvent-free conditions, shorter reaction time, and good yields (71-94%) are some of advantages.
Keywords:[bmim]HSO4; aldehydes; dialkylacetylenedicarboxylates; aniline; furanones
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