Mesitene lactone → 4,6-Dimethylisobenzofuran-1,3-dione

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

4,6-dimethyl-2-pyrone (1.0 g, 8.1 mmol) and 2-chloromaleic anhydride (1.5 g, 11 mmol) were stirred with heating at 160° C. for 3 hrs, and the precipitated crystals were purified by silica gel chromatography (chloroform) to give 0.91 g of the title compound.

Herkunft & Nachweise