A solvent-free synthesis of coumarins via Pechmann condensation using heterogeneous catalyst (original) (raw)

Journal of Molecular Catalysis A: Chemical, 2006

Abstract

Substituted coumarins are synthesized from phenols and ethyl acetoacetate or methyl acetoacetate via Pechmann condensation using heterogeneous recyclable catalyst (HClO4· SiO2) under solvent-free conditions. This method is simple, cost effective, requires short ...

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