Pyridine → HCID 178438443, compound

Participants

Reaction Steps

To a solution (10 mL) of trans-4-[5-oxo-6-{[2′-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-4(5H)-yl]cyclohexanecarboxamide (0.31 g) and pyridine (0.18 mL) in tetrahydrofuran was added trifluoroacetic acid anhydride (0.15 mL) at 0° C., and the mixture was stirred for 30 min. The reaction mixture was diluted with ethyl acetate, washed with water and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography to give the title compound as colorless crystals (0.18 g, 60%).

Provenance & Evidence