[article]
Titre : |
Pronounced catalytic effect of micellar solution of surfactants for regioselective alkylation of 4,5-di- and 3,4,5-triphenylimidazoles-2-thione |
Type de document : |
texte imprimé |
Auteurs : |
N. Rezki, Auteur ; M. Ait Sidhoum, Auteur ; M. R. Aouad, Auteur ; Hocine Ilikti, Auteur ; T. Benabdallah, Auteur |
Année de publication : |
2010 |
Article en page(s) : |
p. 376-380 |
Note générale : |
Bibliogr. |
Langues : |
Anglais (eng) |
Catégories : |
Alkylation Catalyse Eau Micelles Solutions (chimie) Surfactants Thioimidazoles
|
Index. décimale : |
668.1 Agents tensioactifs : savons, détergents |
Résumé : |
An environmentally benign aqueous alkylation protocol for the regioselective synthesis of thioalkylated imidazoles using cationic, anionic and neutral surfactants has been achieved. The efficiency of the coupling reaction depends strongly on the nature and the concentration of the surfactant. The highest yield (up to 94%) was obtained in the presence of an anionic surfactant, while neutral or cationic surfactants gave poorer results with no change in regioselectivity. |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10297 |
in TENSIDE, SURFACTANTS, DETERGENTS > Vol. 47, N° 6/2010 (11-12/2010) . - p. 376-380
[article]
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