Water → HCID 136398817, compound

Participants

Reaction Conditions

Reaction Steps

19.5 g (0.1 mol) of 4,5-dichloro-imidazole-2-carbamide-oxime and 10.1 g (0.1 mol) of triethylamine were dissolved in 150 ml of dioxane. 14.05 g (0.1 mol) of benzoyl chloride were added dropwise to this solution at 15°-20° C. The mixture was stirred for a further 1 hour at room temperature and for 2 hours at 50° C. and was then introduced into 500 ml of water. The crystals which had separated out were filtered off, washed with water and dried. 18 g (60.2% of theory) of 4,5-dichloro-imidazole-2-carbamide-O-benzoyl-oxime were obtained. Melting point: 177°-178° C. (from toluene).

Provenance & Evidence