Hydrochloric Acid → HCID 18538843, compound

Participants

Reaction Steps

A solution of 4N hydrogen chloride in ethyl acetate (15 ml) was to a solution of the title compound of example 357 (263 mg, 0.3 mmol) in ethyl acetate-methanol (2/5, 7 ml) and this solution was stirred at room temperature for 1 h. The resulting mixture was concentrated in vacuo. The residue was crystallized from methanol-ethyl acetate (1/1) to give the title compound (196 mg, 97%) as colorless crystalline powder.

Provenance & Evidence