Acetic Acid → 1-[(2-hydroxy-2-oxidohydrazino)(imino)methyl]-3,5-dimethyl-1H-pyrazole

Participants

Reaction Steps

2.7 ml of acetic acid and 2,4-pentadione (0.785 mg, 7.83 mmol) are added to a mixture heated under reflux containing the N′-nitrohydrazinecarboximidamide compound isolated previously (0.5 g, 4.20 mmol) in 15 ml of water. The reaction medium is returned to ambient temperature then filtered. The solid obtained is washed with dichloromethane. A white solid in the form of white powder is obtained with a yield of 89%.

Provenance & Evidence