A facile synthesis of 2H-chromen-2-ones via Pechmann condensation under solvent free conditions using grinding technique

作者：Sharma Dinesh^*; Kumar Surender

来源：Green Processing and Synthesis, 2013, 2(2): 151-155.

DOI：10.1515/gps-2012-0068

• 2H-chromen-2-ones
• grinding technique
• silica supported sulfuric acid
• solvent free condition
• von Pechmann condensation

A simple and highly efficient procedure for the synthesis of 2H-chromen-2-ones via von Pechmann condensation, involving the grinding of different phenols and beta-ketoesters in the presence of silica supported sulfuric acid at room temperature, under solvent free conditions, has been described.

• 出版日期2013-4