Acetic Acid → HCID 54327247, compound

Participants

Reaction Steps

The compound (620 mg) obtained in the above (1) is dissolved in a mixture of acetic acid (30 ml) and water (5 ml), and thereto is added chromic anhydride (1.3 g)/acetic acid (2 ml), and the mixture is stirred at room temperature for 17.5 hours. The mixture is diluted with ethyl acetate, and washed with a saturated aqueous sodium hydrogen carbonate solution, and purified by silica gel column chromatography (n-hexane/ethyl acetate=5:1→2:1) to give the title compound (70 mg, 11%), and the starting compound (365 mg, 59%) is also recovered.

Provenance & Evidence