Methanol → HCID 54682805, compound

Participants

Reaction Steps

A solution of the title compound from Example 292 (300 mg) and concentrated sulfuric acid (300 μL) in methanol (10 mL) is stirred for 2 days at room temperature, diluted with ethyl acetate, washed with water, brine, dried (anhydrous sodium sulfate), filtered, concentrated, and chromatographed on silica gel to give 225 mg of the title compound.

Provenance & Evidence