The synthesis of 1,5-naphthalene diisocyanate (NDI) from 1,5-naphthalenediamine (NDA) and bis(trichloromethyl) carbonate (BTC) as the phosgene substitute material was studied.

• 用二(三氯甲基)碳酸酯(BTC)代替光气与1,5萘二胺(NDA)反应合成了1,5萘二异氰酸酯(NDI)。