Triphosgene has rapidly emerged as an important green chemical product in recent years.It is synthesized by photo-catalyzed chlorination of dimethyl carbonate.

• 固体光气是近年来迅速发展的绿色化工产品,主要通过碳酸二甲酯的光催化氯化反应合成,有四氯化碳溶剂法和碳酸二甲酯本体法工艺。