Water → N,N'-bis(2-methoxyphenyl)urea

Participants

Reaction Steps

A solution of o-anisidine (12.3 g, 100 mmol) and triethylamine (11 ml, 80 mmol) in absolute toluene (100 ml) was under stirring on an ice bath added phosgene (20.7 ml, 1.93 M sol in toluene, 40 mmol) and the mixture was stirred at 90° C. for 3 hours. The reaction mixture was after cooling to ambient temperature poured into water (100 ml) and the title compound was collected by filtration and used without further purification.

Provenance & Evidence