HCID 67110846, compound → HCID 67111714, compound

Participants

Reaction Steps

Platinum (3% on carbon, poisoned with 0.6% vanadium, 24 mg, 3.8 mmol, 0.005 equiv) was added to a solution of 3-[1-ethyl-3-(4-fluoro-2-nitrophenoxy)-1H-pyrazol-5-yl]benzonitrile (266 mg, 0.755 mmol, 1 equiv) in methanol (7.6 mL). The reaction flask was capped with a three way valve attached to a vacuum line and a hydrogen balloon. The reaction flask was alternately evacuated and charged with hydrogen for 3 cycles, and finally left under an atmosphere of hydrogen at 22° C. The reaction mixture was stirred for 40 minutes, then filtered through celite with the aid of methanol. Concentrated to afford 3-[3-(2-amino-4-fluorophenoxy)-1-ethyl-1H-pyrazol-5-yl]benzonitrile (243 mg, 90% pure) as a light-yellow solid. Calcd (M+1)+: 323.1. Found: 323.0.

Provenance & Evidence