以草酸和正丁醇为原料，采用颗粒状活性炭固载对甲苯磺酸作催化剂合成草酸二丁酯。
Dibutyl oxalate was synthesized with oxalic acid and n-butanol as raw materials and p-toluene sulphonic acid supported on granular active carbon as the catalyst.
讨论了以草酸二乙酯为原料，经过克莱森缩合、环合、氨解反应合成5甲基异唑3甲酰胺工艺的改进。
This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.
这些香料都是以草酸二乙酯与相应的醇为原料，通过酯交换反应来合成的。
This flavour is synthesized by the ester interchange using diethyl oxalate and relative alcohol as materials.
结果表明在双金属钯催化剂上，草酸二甲酯的空时收率高于草酸二乙酯的空时收率。
The results indicated that the space time yield of DMO was higher than that of DEO over the supported palladium catalysts.
而新一代草酸二甲酯加氢催化剂采用了无铬配方，性能指标也优于一代技术。
In addition a chromium-free formula is applied to prepare new generation dimethyl oxalate hydrogenation catalyst, showing better performance than the former generation catalyst.
咪草烟的合成可以用3-甲基-2- 丁酮、正丁醛、 粘氯酸或草酸二乙酯等原料，经八步反应制得。
Imazethapyr is synthesized from 3 - methyl - 2 - butanone. Butyraldehyde, nucochloric acid or diethyl oxalate by eight steps reaction.
在固定床反应器中对钯系催化剂上CO气相催化偶联制草酸二乙酯和草酸二甲酯的空时收率、选择性和CO的转化率进行了实验研究。
The synthesis of dimethyl oxalate (DMO) and diethyl oxalate (DEO) by CO coupling reaction in gaseous phase over the supported palladium catalysts was investigated.
以工业应用为背景，研究了CO在钯系双金属催化剂上气相催化偶联合成草酸二乙酯的动力学特性。
The kinetic characteristics of catalytic coupling of carbon monoxide to diethyl ox-alate m gaseous phase on Palladium catalyst were studied on the basis of industrial application.
以工业应用为背景，研究了CO在钯系双金属催化剂上气相催化偶联合成草酸二乙酯的动力学特性。
The kinetic characteristics of catalytic coupling of carbon monoxide to diethyl ox-alate m gaseous phase on Palladium catalyst were studied on the basis of industrial application.
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