HCID 178438041, compound → HCID 178438040, compound

Participants

Reaction Steps

A solution of 6.3 g of 3-ethyl-4-nitroso-5-phenyl-1H-pyrazole in 220 mL of ethanol was treated with 2.0 g of 10% palladium/carbon catalyst and hydrogenated at RT and 50 psi for 16 h. The reaction mixture was filtered through celite and washed well with ethanol. The filtrate was concentrated to give the title compound as a brown oil.

Provenance & Evidence