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|Title:||H₃PW₁₂O₄₀ catalyzed efficient synthesis of 4-substituted coumarins|
|Authors:||Raju, B China|
Babu, T Hari
Rao, J Madhusudana
|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.|
|Appears in Collections:|| IJC-B Vol.48B(01) [January 2009]|
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