Task-oriented use of ionic liquids: efficient acetylation of alcohols and phenols

The ionic liquid 1-butyl-3-methylimidazolium acetate proves to be an excellent reaction medium for the acetylation of alcohols and phenols, providing better conditions than the acidic 1-butyl-3-methylimidazolium bisulfate. Reactions were carried at room temperature, with only a 10% excess of acylati...

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Veröffentlicht in:	Tetrahedron letters 2011-06, Vol.52 (26), p.3339-3341
Hauptverfasser:	López, Ignacio, Bravo, José Luis, Caraballo, Manuel, Barneto, José Luis, Silvero, Guadalupe
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetates Acetylation Alcohols Catalysts Chemistry Exact sciences and technology Heterocyclic compounds Heterocyclic compounds with several n hetero atoms in the same ring, in separated rings or in fused rings Ionic liquids Kinetics and mechanisms Noncondensed benzenic compounds Organic chemistry Phenols Preparations and properties Reactivity and mechanisms Solvents Tetrahedrons
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Beschreibung
Zusammenfassung:	The ionic liquid 1-butyl-3-methylimidazolium acetate proves to be an excellent reaction medium for the acetylation of alcohols and phenols, providing better conditions than the acidic 1-butyl-3-methylimidazolium bisulfate. Reactions were carried at room temperature, with only a 10% excess of acylating agent and with no other solvent or catalyst added.
ISSN:	0040-4039 1873-3581
DOI:	10.1016/j.tetlet.2011.04.079