A facile synthesis of 2H-chromen-2-ones via Pechmann condensation under solvent free conditions using grinding technique
oleh: Sharma Dinesh, Kumar Surender
| Format: | Article |
|---|---|
| Diterbitkan: | De Gruyter 2013-04-01 |
Deskripsi
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 β-ketoesters in the presence of silica supported sulfuric acid at room temperature, under solvent free conditions, has been described.