Ramani, A. ; Chanda, B. M. ; Velu, S. ; Sivasanker, S. (1999) One-pot synthesis of coumarins. Catalysis by the solid base, calcined Mg-Al hydrotalcite Green Chemistry, 1 (3). pp. 163-165. ISSN 1463-9262
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Official URL: http://pubs.rsc.org/en/content/articlelanding/1999...
Related URL: http://dx.doi.org/10.1039/A903173A
Abstract
The synthesis of coumarins (2H-benzopyran-2-ones) via Knoevenagel condensation over a recoverable, inexpensive solid base catalyst, calcined Mg-Al hydrotalcite, is reported for the first time. This method produces substituted coumarins in very high yields (>85%) and selectivities (ca. 100%) when aromatic hydroxy aldehydes are reacted with 2-substituted ethyl acetate.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 47743 |
| Deposited On: | 12 Jul 2011 14:35 |
| Last Modified: | 12 Jul 2011 14:35 |
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