A series of aromatic isocyanates were synthesized by adding dropwise corresponding arylamines into the solution of bis(trichloromethyl) carbonate (BTC) and refluxing.

• 将伯芳胺或其溶液滴加到双(三氯甲基)碳酸酯溶液中,经回流反应合成了相应的芳基异氰酸酯。