Metallic Lewis acids-catalyzed acetylation of alcohols with acetic anhydride and acetic acid in ionic liquids: Study on reactivity and reusability of the catalysts

Sang gi Lee, Jung Hwan Park

Research output: Contribution to journalArticlepeer-review

71 Scopus citations

Abstract

The catalytic activity and reusability of the metallic Lewis acids, Cu(OTf)2, Yb(OTf)3, Sc(OTf)3, In(OTf)3, HfCl4·(THF)2 and InCl3, for acetylation of alcohols with acetic anhydride and acetic acid has been examined in environmentally benign room temperature ionic liquids, [bmim][X] (bmim = 1-n-butyl-3-methylimidazolium, X = PF6, BF4, SbF6). All of the catalysts effectively catalyzed the acetylation with acetic anhydride in an ionic liquid, [bmim][PF6]. In direct acetylation with acetic acid, Yb(OTf)3, Sc(OTf)3 and InCl3 showed excellent catalytic activity in the [bmim][PF6] ionic liquid and were reasonably recycled.

Original languageEnglish
Pages (from-to)49-52
Number of pages4
JournalJournal of Molecular Catalysis A: Chemical
Volume194
Issue number1-2
DOIs
StatePublished - 3 Mar 2003

Keywords

  • Acylation
  • Alcohol
  • Catalyst
  • Ionic liquids
  • Lewis acids

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