Acetic Anhydride → HCID 9984757, compound

Participants

Reaction Steps

To a solution of 7-(2-cyclohexyl-ethyl)-6-(4-oxo-1-phenyl-1,3,8-triaza-spiro[4.5]dec-3-ylmethyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile trifluoroacetic acid salt (142 mg, 0.28 mol) in dichloromethane (2 ml), triethylamine (395 μl) and acetic anhydride (54 μl, 0.57 mmol) are added at 0° C. The reaction mixture is stirred for over night at room temperature, quenched with ice-water and extracted with ethyl acetate. The combined extracts are washed with H2O, brine and dried over sodium sulphate. Chromatography on silica gel gives 90 mg of 6-(8-acetyl-4-oxo-1-phenyl-1,3,8-triaza-spiro[4.5]dec-3-ylmethyl)-7-(2-cyclohexyl-ethyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile in 58% yield.

Provenance & Evidence