3,4-Dichlorophenyl isocyanate → HCID 68527229, compound

Participants

Reaction Steps

To a solution of 3-[4-(5-aminopyridin-2-yloxy)phenyl]-1-(4-piperonylpiperazin-1-yl)propane-1-one (600 mg, 1.3 mmol) in toluene (20 mL) were added ethyldiisopropylamine (0.454 mL, 2.6 mmol) and 3,4-dichlorophenylisocyanate (270 mg, 1.4 mmol), and the resulting solution was stirred for 1 day under reflux. The reaction solution was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (methanol:chloroform=1:19), and then recrystallized from ethyl acetate to thereby yield 280 mg of the title compound.

Provenance & Evidence