1,2-Dichloroethane → HCID 67496994, compound

Participants

Reaction Steps

To a 100 ml flask was added 1-methyl-3-(pyridin-4-yl)-1H-pyrazol-5-amine 17.B (540 mg, 3.10 mmole), Boc-L-4-fluorophenylalanine (970 mg, 3.41 mmole), EDC (710 mg, 3.72 mmole), and 10 ml of pyridine. The reaction was stirred at room temperature for 5.5 hours at which time the solvent was removed by rotary evaporation. The residue was suspended in ethyl acetate, and washed successively with saturated sodium bicarbonate, water and brine. The organic layer was dried over anhydrous sodium sulfate, and concentrated in vacuo. The crude product was purified by silica gel chromatography to give 103.1.A (1.35 g, 99% yield) as colorless amorphous.

Provenance & Evidence