Choudary, Boyapati Manoranjan ; Kantam, Mannepalli Lakshmi ; Venkat Reddy, Chinta Reddy ; Koteswara Rao, Kottapalli ; Figueras, Francois (1999) The first example of Michael addition catalysed by modified Mg-Al hydrotalcite Journal of Molecular Catalysis A: Chemical, 146 (1-2). pp. 279-284. ISSN 1381-1169
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S13811...
Related URL: http://dx.doi.org/10.1016/S1381-1169(99)00099-0
Abstract
Selective 1,4-additions (Michael reactions) on methyl vinyl ketone, methyl acrylate, simple and substituted chalcones by donors such as nitroalkane, malononitrile, diethylmalonate, cyanoacetamide and thiols were catalysed by solid base, modified Mg-Al hydrotalcite as catalyst in quantitative yields in liquid phase under mild reaction conditions. Products of undesirable side reactions resulting from 1,2-addition, polymerisation and bis-addition are not observed. The work-up procedure is simplified by simple filtration with the use of solid bases.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Michael Reactions; Activated Mg-Al Hydrotalcite; Rehydration; 1, 4 Addition |
| ID Code: | 6738 |
| Deposited On: | 22 Oct 2010 06:21 |
| Last Modified: | 22 Oct 2010 06:21 |
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