Ranu, Brindaban C. ; Dey, Suvendu S. (2004) Catalysis by ionic liquid: a simple, green and efficient procedure for the Michael addition of thiols and thiophosphate to conjugated alkenes in ionic liquid, [pmIm]Br Tetrahedron, 60 (19). pp. 4183-4188. ISSN 0040-4020
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00404...
Related URL: http://dx.doi.org/10.1016/j.tet.2004.03.052
Abstract
A room temperature ionic liquid, 1-pentyl-3-methylimidazolium bromide, [pmIm]Br efficiently catalyzes Michael addition of thiols and diethyl dithiophosphate to a variety of conjugated alkenes such as α, β-unsaturated carbonyl compounds, carboxylic esters, nitriles and chalcones without requiring any other organic solvent and catalyst. The ionic liquid can be recycled for subsequent reactions without any appreciable loss of efficiency.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Michael Addition; Thiol; Thiophosphate; Ionic Liquid; Green Catalysis |
| ID Code: | 41479 |
| Deposited On: | 30 May 2011 05:17 |
| Last Modified: | 30 May 2011 05:17 |
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