Trifluoroacetic acid → (R)-N-(3-fluoro-4-(morpholin-2-yl)phenyl)-5-(trifluoromethyl)pyrimidin-2-amine

Participants

Reaction Conditions

Reaction Steps

To a stirred solution of (R)-tert-butyl 2-(2-fluoro-4-(5-(trifluoromethyl)pyrimidin-2-ylamino)phenyl)morpholine-4-carboxylate (300 mg) in acetonitrile (2 ml) and water (6 ml) was added trifluoroacetic acid (522 μl). The reaction mixture was then capped and the mixture was shaken at 80° C. for 16 h. The reaction mixture was then cooled to room temperature and poured into 4 M aq. NaOH and extracted twice with EtOAc. The combined organic layers were dried over Na2SO4 and concentrated in vacuo. The crude material was purified by flash column chromatography (silica gel, CH2Cl2/MeOH/aq. NH3) to afford (R)—N-(3-fluoro-4-(morpholin-2-yl)phenyl)-5-(trifluoromethyl)pyrimidin-2-amine (171 mg, 74%) as an off-white solid. MS (ISP): 343.1 ([M+H]+).

Provenance & Evidence