报道了以硫氰酸甲酯为原料合成咪唑烷的方法, 总收率为56-5 % 。
A new method of synthesis of 2 (nitroimino) imidazolidine from methyl thiocyanate with the recovery of 56.5% is presented.
1984年12月2日午夜,位于印度博帕尔的联合碳化物公司的农药厂发生事故,导致45吨的有毒异氰酸甲酯从设备中泄露。
Around midnight on Dec. 2, 1984, an accident at a Union Carbide pesticide plant in Bhopal, India, resulted in 45 tons of poisonous methyl isocyanate escaping from the facility.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲酯,然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
综述了苯甲酰异氰酸酯的合成路线,并探讨了利用苯甲酰胺与草酰氯制备苯甲酰异氰酸酯的最佳反应条件。
Preparation methods of benzoyl cyanate were reviewed. The optimal conditions of synthesis of benzoyl cyanate from benzoyl amine and oxalyl chloride were investigated.
甲撑二苯基二异氰酸酯(MDI)生产过程中涉及到了多种危险有害因素。
There are variety of potential risks and hazardous factors in the production of MDI .
以对苯二甲酰异硫氰酸酯和邻苯二胺为原料通过界面缩聚法合成了聚硫脲缓释微胶囊。
Novel controlled releasing polythiourea microcapsules were prepared from terephthaloyl diisothiocyanate and o-phenylenediamine by interfacial polycondensation.
以液态聚硫橡胶、异氟尔酮二异氰酸酯和扩链剂3,6 -二甲硫基-2 ,5 -二甲苯胺为原料,合成了不同硬段质量分数的聚硫硫代聚脲。
A series of polysulfide based thio-polyurea was synthesized, which were based on isophorone diisocyanate, liquid polysulfide and 2,5-diamino-3,6-dimethylmercapto toluene.
通过对(-)-表儿茶素的苯甲酰化物的分析,研究了单宁的苯甲酰化位置与次序,从而比较合理地说明了与异氰酸酯反应的羟基的位置。
The position and sequence of benzoylation in tannin were studied by the analysis of benzoylated (-) epicatechin derivatives. The position of hydroxyl groups which react with isocya…
通过对(-)-表儿茶素的苯甲酰化物的分析,研究了单宁的苯甲酰化位置与次序,从而比较合理地说明了与异氰酸酯反应的羟基的位置。
The position and sequence of benzoylation in tannin were studied by the analysis of benzoylated (-) epicatechin derivatives. The position of hydroxyl groups which react with isocya…
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