Phenyl isocyanate → N-[3,5-Bis(trifluoromethyl)phenyl]-2-hydroxy-5-[(3-phenyl)ureido]benzamide

Participants

Reaction Conditions

Reaction Steps

5-Amino-N-[3,5-bis(trifluoromethyl)phenyl]-2-hydroxybenzamide (100.2 mg, 0.28 mmol) was dissolved in acetonitrile (4 ml). 4-Dimethylaminopyridine (3 mg) and phenylisocyanate (30 μl, 0.28 mmol) were added, and the mixture was stirred at 60° C. for 5 minutes. The reaction mixture was concentrated and the residue was purified by chromatography on silica gel (hexane:ethyl acetate=1:1) to give the title compound (54.8 mg, 41.2%) as a light brown solid.

Provenance & Evidence