期刊
JOURNAL OF THE CHINESE CHEMICAL SOCIETY
卷 56, 期 2, 页码 398-403出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jccs.200900058
关键词
Bronsted acidic ionic liquid; Acetylation; Acohol; Methylimidazolium hydrogen-sulfate; Solvent-free conditions
资金
- Isfahan University of Technology (IUT)
- IR Iran
- National Institutes of Health [GM 033 138, MH 065503, NS 033650]
- Center of Excellency in Sensor Research (IUT)
A novel Bronsted acidic room temperature ionic liquid (1-H-3-methyl-imidazolium bisulfate) is found to catalyze efficiently the acetylation of a wide rang of alcohols as well as phenols with acetic anhydride in good to excellent yields at 50 degrees C under solvent-free conditions. Products are easily isolated by extraction with ether and the protocol is mild and green, compared to the existing method based on toxic solvents.
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