Methanol → HCID 86723894, compound

Participants

Reaction Steps

To a solution of (R)-4-(5-(3-(1-hydroxypropan-2-yl)-2,4-dioxo-1-(3-(trifluoromethyl)phenyl)-1,2,3,4-tetrahydropyrimidin-5-yl)-1H-pyrazol-1-yl)benzonitrile (prepared in Example 111) (95.1 mg) in dichloromethane (1.0 ml) were added under ice-cooling trifluoromethanesulfonic anhydride (50.2 μl) and N,N-diisopropylethylamine (70.2 μl) and the resulting mixture was stirred under ice-cooling for one hour. To the reaction mixture was added methanol (5 ml) and the mixture was stirred at room temperature for one hour. The reaction mixture was concentrated under reduced pressure and the residue was purified by silica gel column chromatography (eluent: hexane/ethyl acetate) to afford (R)-4-(5-(3-(1-methoxypropan-2-yl)-2,4-dioxo-1-(3-(trifluoromethyl)phenyl)-1,2,3,4-tetrahydropyrimidin-5-yl)-1H-pyrazol-1-yl)benzonitrile (51.0 mg) as pale yellow solid.

Provenance & Evidence