Journal
TETRAHEDRON LETTERS
Volume 55, Issue 31, Pages 4395-4399Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2014.05.094
Keywords
Quinolone-3-carbaldehyde; Ionic liquids (IL's); 3-Butyl-1-methylimidazolium acetate; N-heterocyclic carbenes (NHCs); Hydroxyquinolin-3-ylmethylimidazolium adducts; Thiazolium salts
Categories
Funding
- Universidad del Valle
- COLIENCIAS
- UNF
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A library of hydroxyquinolin-3-ylmethylimidazolium adducts were prepared in high yields from the reaction of [BMIM][Cl] with various substituted quinoline-3-carbaldehydes and 2-oxoquinoline-3-carbaldehydes under mild conditions by using sodium acetate in MeCN under ultrasound irradiation. The use of sodium acetate and imidazolium chloride was crucial for the success of these C C bond forming reactions. Attempted coupling with thiazolium bromide led instead to quinoline-3-carboxylic acid. (C) 2014 Elsevier Ltd. All rights reserved.
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