Trifluoroacetic acid → HCID 71273895, compound

Participants

Reaction Steps

A solution of ((R)-4-{6-[(5-cyano-3-methyl-pyridine-2-carbonyl)-amino]-3-fluoro-pyridin-2-yl}-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-yl)-carbamic acid tert-butyl ester (26 mg, 0.052 mmol) and TFA (200 μl, 2.6 mmol) in dichloromethane (1.3 ml) was stirred at it for 5 hours. The reaction mixture was evaporated and the residue diluted with aq. ammonia and ethyl acetate, washed with water and brine, dried over sodium sulfate, filtered and evaporated. 24 mg yellowish solid. Trituration with cyclohexane afforded the title compound as a slightly yellow solid. 17 mg (80% yield).

Provenance & Evidence