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1)  4-methylene diphenyl dicarbamate
4'-二苯甲烷二氨基甲酸甲酯
1.
4,4 -Diphenylmethane diisocyanate was derivatized with methanol into 4,4 -methylene diphenyl dicarbamate so as to protect the active NCO group and avoid the usage of 4,4 -diphenylmethane diisocyanate standard which is difficult to transportation and storage.
用甲醇做衍生试剂,把4,4’-二苯甲烷二异氰酸酯(MDI)衍生成4,4’-二苯甲烷二氨基甲酸甲酯(MDC),通过高效液相色谱分析MDC的含量来计算MDI的含量。
2)  2,4-toluene dicarbamate
4-甲苯二氨基甲酸甲酯
1.
2,4-toluene dicarbamate is the precursor of 2,4-toluene diisocyanate (TDI), which is the key intermediate for the manufacture of polyurethanes and useful in various fields of applications such as foam, fibre, plastic, dope, leather, pesticide and latex.
其中甲氧羰基化法是以“绿色化学品”碳酸二甲酯和2,4-二氨基甲苯为原料甲氧羰基化合成2,4-甲苯二氨基甲酸甲酯(TDC),TDC再进一步分解生成TDI,这是一条很有前途的绿色合成路线。
3)  diphenylmethane dicarbamic acid esters
二苯甲烷二氨基甲酸酯
1.
The advances in the routes to synthesize MDI are reviewed, putting emphasis upon discussing the clean synthesis methods of diphenylmethane diisocyanates by the catalytic cleavage of diphenylmethane dicarbamic acid esters (MDC).
本文对MDI的生产方法作了介绍 ,重点论述以二苯甲烷二氨基甲酸酯 (MDC)为原料清洁合成MDI的工
2.
The synthetic methods of diphenylmethane dicarbamic acid esters(MDC ) were reviewed with 31 references.
综述了二苯甲烷二氨基甲酸酯的合成方法 ,讨论了合成二苯甲烷二氨基甲酸酯所涉及的甲基化试剂、催化剂。
4)  Ethyl p-N,N-dimethylaminobenzoate
4-二甲氨基苯甲酸乙酯
5)  Ethyl 4-(dimethylamino)benzoate
4-二甲氨基-苯甲酸乙酯
6)  3,5-diaminobenzoic acid-4'-alkyloxybenzene ester
3,5-二氨基苯甲酸(4-烷氧基)苯酯
补充资料:二甲氨基甲酸-3-吡啶酯
分子式:C8H10N2O2
分子量:166.18
CAS号:51581-32-9

性质:液体。沸点 136-140℃/667Pa。

制备方法:用3-羟基吡啶与二甲氨基甲酰氯在氢氧化钾作用下缩合制得。

用途:吡啶斯的明的中间体。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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