Hydrogen Peroxide → 3-Butyl-6-aminoformyl-phthalide

Participants

Reaction Steps

To a solution of 0.8 g (3.72 mmol) of compound obtained in Example 18 in 100 ml of acetone there is added a solution of 0.55 g of potassium carbonate in 5 ml of water, to which there are added, at 20° C., 14 ml of 30% hydrogen peroxide. The mixture is put aside at room temperature overnight. The solvents are removed in vacuo and the residue is washed with water and crystallised from ethanol, giving the title compound.

Provenance & Evidence