Nitric Acid → HCID 18791015, compound

Participants

Reaction Steps

21 g (58 mmol) of 3-(2,4-dichlorophenyl)-1-methyl-4,5-di-(trifluoromethyl)-1H-pyrazole were added, at (-30)° C., to 250 ml of concentrated nitric acid, whereupon the mixture was stirred for 1 hour at (-10)° C. The solution was subsequently stirred into 1.2 l of ice-water. The product was then extracted with dichloromethane. The organic phase was dried over magnesium sulfate and concentrated.

Provenance & Evidence