3-Amino-5-phenylpyrazole → HCID 66719137, compound

Participants

Reaction Steps

A mixture of 1 (250 mg, 0.59 mmol) and 5-Phenyl-2H-pyrazol-3-ylamine (96 mg, 0.59 mmol) in acetic acid (0.4 mL) and ethanol (1.6 mL) was heated under reflux for 6 hours. After cooling, the mixture was diluted with 15 mL of DCM, the combined organic phase was washed with NaHCO3 aq. and brine, dried over anhydrous Na2SO4 and concentrated. The residue was purified by prep.TLC to give 9-1.

Provenance & Evidence