1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3-bis(6-isocyanatohexyl)-5-(3-isocyanato-4-methylphenyl)- 、
甲苯-2,4-二异氰酸酯 在
N,N,N-trimethyl-N-2-hydroxypropylammonium 2,2-dimethylpropanoate 作用下,
以
丁酮 为溶剂,
生成 1-[6-[3,5-Bis(3-isocyanato-4-methylphenyl)-2,4,6-trioxo-1,3,5-triazinan-1-yl]hexyl]-3-(6-isocyanatohexyl)-5-(3-isocyanato-4-methylphenyl)-1,3,5-triazinane-2,4,6-trione