Acetic Acid → HCID 86723872, compound

Participants

Reaction Steps

To a solution of 4-[5-[6-methyl-4-oxo-3-(2-oxoethyl)-1-(3-trifluoromethylphenyl)-1,2,3,4-tetrahydropyrimidin-5-yl]-1H-pyrazol-1-yl]benzonitrile (prepared in Example 68) (12.8 mg), dimethyl amine (133 μl) and acetic acid (10 μl) in tetrahydrofuran (1.0 ml) was added sodium triacetoxyborohydride (8.5 mg) and the resulting mixture was stirred at room temperature for four hours. To the reaction mixture was added water (10 ml) and the resulting mixture was extracted with ethyl acetate (10 ml×2). The organic layer was washed with water (10 ml) and saturated saline (10 ml), dried over anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: chloroform/methanol) to afford 4-[5-[3-(2-dimethylaminoethyl)-6-methyl-2,4-dioxo-1-(3-trifluoromethylphenyl)-1,2,3,4-tetrahydropyrimidin-5-yl]-1H-pyrazol-1-yl]benzonitrile (7.4 mg).

Provenance & Evidence