Abstract
Efficient and convenient synthesis of β-acetamido ketones has been achieved by one-pot reaction of acetophenone, aryl aldehydes, acetyl chloride, and acetonitrile in the presence of 3-methyl-1-(4-sulfonylbutyl)imidazolium hydrogensulfate [HO3S(CH2)4MIM][HSO4], a Brønsted-acidic ionic liquid, as a green and reusable catalyst in solvent-free media at room temperature. The catalyst could be recycled and reused without noticeable decrease in catalytic activity.
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Davoodnia, A., Heravi, M.M., Rezaei-Daghigh, L. et al. Brønsted-acidic ionic liquid [HO3S(CH2)4MIM][HSO4] as efficient and reusable catalyst for one-pot synthesis of β-acetamido ketones. Monatsh Chem 140, 1499–1502 (2009). https://doi.org/10.1007/s00706-009-0193-8
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DOI: https://doi.org/10.1007/s00706-009-0193-8