反应详情

A solution of 4-[2-(4-methylphenyl)ethoxy]phenylcarbamyl chloride (IV) (14.4 g, 0.05 mole) in toluene (80 ml) was heated at 60° C. for 1 hour and distilled under reduced pressure to obtain 12 g of 4-[2-(4-methylphenyl)ethoxy]phenyl isocyanate (III) as white crystals (yield, 94.9%). B.P., 170°-181° C./0.9 mmHg.

1. distillationdistilled under reduced pressure
2. customto obtain