2) unphosgene-synthesis
非光气合成
3) absolute non-phosgene synthesis
完全非光气法合成
4) Non-phosgene approach
非光气法
1.
Compared withother non-phosgene approaches such as amino oxidizing carbonylation and nitro-reductive carbon.
本文研究了以“绿色化学品”——碳酸二甲酯代替光气,与苯胺为原料合成二苯甲烷二异氰酸酯(MDI)的非光气法工艺;提出了苯氨基甲酸甲酯(MPC)的分离工艺。
5) non-phosgene
非光气法
1.
Synthesis of ethyl 5-[(methoxycarbonyl)aminosulfonyl]-1-methy- pyrazole-4-carboxylate by non-phosgene method;
非光气法合成吡唑磺酰氨基甲酸酯
2.
Methyl phenyl carbamate (MPC) is the important intermediate in non-phosgene synthesis of diphenylmethane diisocyanate.
苯氨基甲酸甲酯(MPC)是非光气法合成二苯基甲烷二异氰酸酯(MDI)的重要中间体。