Trifluoroacetic acid → HCID 86762769, 화합물

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A solution of N-[3-[(4aR,7aS)-2-benzamido-4a,5,6,7-tetrahydro-4H-pyrrolo[3,4-d][1,3]thiazin-7a-yl]phenyl]-5-fluoro-pyridine-2-carboxamide; 2,2,2-trifluoroacetic acid (150 mg, 254 μmol), 5-fluoro-2-chloropyrimidine (68 mg, 51 μmol) and diisopropylethylamine (98 μL, 56 μmol) is heated in dimethyl sulfoxide (5 mL) overnight at 40° C. Additional 5-fluoro-2-chloropyrimidine (68 mg, 51 μmol) and diisopropylethylamine (98 μL, 56 μmol) is added and the mixture is heated overnight at 50° C. Additional 5-fluoro-2-chloropyrimidine (68 mg, 51 μmol) and diisopropylethylamine (98 μL, 56 μmol) is added and the mixture is heated overnight at 50° C. for a third night. The reaction is cooled, diluted with saturated aqueous sodium carbonate (50 mL) to give a slurry that is filtered and dried in a vacuum oven at 50° C. for 4 hours to give the title compound (60 mg, 41%). ES/MS (m/e): 449 (M+H).

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