Chandrasekhar, S. ; Ramakrishna Reddy, N. ; Shameem Sultana, S. ; Narsihmulu, Ch. ; Venkatram Reddy, K. (2006) L-Proline catalysed asymmetric aldol reactions in PEG-400 as recyclable medium and transfer aldol reactions Tetrahedron, 62 (2-3). pp. 338-345. ISSN 0040-4020
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.tet.2005.09.122
Abstract
L-Proline-catalysed direct asymmetric aldol reaction of acetone with various aldehydes in PEG-400 is described. Recycling of the catalyst and solvent (PEG) was possible up to ten runs without loss of catalyst activity. L-Proline was also found to be an efficient catalyst for the asymmetric transfer aldol reaction between various aldehydes and diacetone alcohol for the first time. Good yields and enantioselectivities were observed with both methods.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | L-proline; PEG-400; Aldol Reaction; Transfer Aldol Reaction |
| ID Code: | 62399 |
| Deposited On: | 22 Sep 2011 03:28 |
| Last Modified: | 22 Sep 2011 03:28 |
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