Acetic Anhydride → HCID 22672035, compound

Participants

Reaction Steps

To a solution of 1-methyl-1-(4-phenylsulfonylamino-3-methoxyphenyl)-ethanol (2.65 g; prepared in Reference Example 38.) in methylene chloride (15 ml), acetic anhydride (3.05 ml) and triethylamine (4.60 ml) were added. The mixture was stirred overnight at room temperature. The solvent was distilled off. The residue was purified on silica gel column chromatography (hexane:AcOEt=3:4) to give the title compound (2.33 g) having the following physical data.

Provenance & Evidence