HCID 69093204, compound → HCID 86666689, compound

Participants

Reaction Conditions

Reaction Steps

A suspension of 3-methyl-1-(4-(methylsulfonyl)phenyl)-4-nitro-1H-pyrazole compound and 5-methyl-1-(4-(methylsulfonyl)phenyl)-4-nitro-1H-pyrazole (0.57 g, 2.0 mmol) and palladium on carbon (10 wt %, 0.2 g) in ethanol was stirred under a hydrogen atmosphere at 55° C. for 18 hours. The reaction mixture was filtered through celite and concentrated to give the title compounds as a mixture of regioisomers (446 mg, 87%).

Provenance & Evidence