Dimethylformamide → HCID 117861350, compound

Participants

Reaction Steps

To 3-((5-iodo-4-(methylamino)pyrimidin-2-yl)amino)benzonitrile (F219, 30 mg), tert-butyl ((S)-1-(((1S,3R)-3-ethynylcyclohexyl)amino)-1-oxopropan-2-yl)(methyl)carbamate (U2, 39.5 mg), bis(triphenylphosphine)palladium(II) dichloride (5.96 mg) and copper(I) iodide (3.24 mg), N,N-dimethylformamide (1 mL) and triethylamine (59 μL) were added at room temperature, and the mixture was stirred at the same temperature for 4 hours. To the reaction mixture, saturated aqueous sodium hydrogencarbonate and ethyl acetate were added. The organic layer was separated, washed successively with saturated aqueous ammonium chloride, water and saturated aqueous sodium chloride, and then dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure. The obtained residue was purified by silica gel column chromatography (eluent, 84 to 25% hexane in ethyl acetate) to obtain tert-butyl ((S)-1-(((1S,3R)-3-((2-((3-cyanophenyl)amino)-4-(methylamino)pyrimidin-5-yl)ethynyl)cyclohexyl)amino)-1-oxopropan-2-yl)(methyl)carbamate (U3, 27.4 mg) as pale yellow solid.

Provenance & Evidence