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Indian Journal of Chemistry -Section B (IJC-B) >
IJC-B Vol.48B [2009] >
IJC-B Vol.48B(01) [January 2009] >
| Title: | H₃PW₁₂O₄₀ catalyzed efficient synthesis of 4-substituted coumarins |
| Authors: | Raju, B China
Babu, T Hari
Rao, J Madhusudana |
| Keywords: | Pechmann reaction
4-substituted coumarins
Phenols
β-ketoesters
Phosphotungstic acid |
| Issue Date: | Jan-2009 |
| Publisher: | CSIR |
| Abstract: | Phosphotungstic acid is commercially available and environmentally benign catalyst to promote the Pechmann condensation of various phenols with β-Ketoesters afford 4-substituted coumarins 3a-g in very good yields. This method is practical and provides several advantages. |
| Page(s): | 120-123 |
| ISSN: | 0376-4699 |
| Source: | IJC-B Vol.48B(01) [January 2009]
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