Microwave‐Assisted Methylation of Carboxylic Acids and Phenolic Compounds with Dimethyl‐Carbonate Under Solvent‐Free Condition

Abstract

Phenolic compounds and carboxylic acids are methylated with dimethyl carbonate in the presence of a catalytic amount of BF₃ · OEt₂, DBU, or KOH, in good to excellent yields under microwave irradiation and solvent‐free conditions.

Keywords:

• Carboxylic acid
• Dimethyl carbonate
• Methylation
• Microwave irradiation
• Phenolic compounds

Acknowledgment

We are grateful to the Sharif University of Technology Research Council for financial support of this research.