sodium ethoxide
英
美
网络 乙醇钠
双语例句
- Compared with the activity of sodium methoxide, sodium ethoxide, sodium isopropyl, sodium tert-butoxide, The best base catalyst was sodium tert-butoxide.
比较甲醇钠、乙醇钠、异丙醇钠和叔丁醇钠催化活性，叔丁醇钠为最佳的催化剂。 - Synthesis of coumarin-3-carboxylic acid through sodium ethoxide catalyzed synthesis of coumarin-3-carboxylic acid ethyl ester, followed by saponification, acidolysis cyclization was studied.
实验以水杨醛、丙二酸二乙酯为原料，乙醇钠为催化剂催化合成香豆素-3-羧酸乙酯，再经皂化、酸解环合合成香豆素-3-羧酸。 - The title compounds were synthesized by the condensation reaction between 2 ( 1,4 butylene dithio) methylene aroyl acetones and aromatic aldehydes with sodium ethoxide as a base. The stereochemistry of the compounds was confirmed to be E configuration by 1H NMR.
以乙醇钠为碱，由2－（1，4－亚丁二硫基）亚甲基芳甲酰丙酮与芳醛的缩合反应得到标题化合物，其立体化学经1HNMR验证为E－构型。 - This article introduced the use and synthesis method of DEC, mainly expounded the reaction principle and process of DEC-synthesizing under a certain temperature and pressure condition from DMC and ethanol by using Sodium ethoxide as catalyst.
介绍了碳酸二乙酯的用途及合成方法，重点阐述了以乙醇钠为催化剂，碳酸二甲酯和乙醇在一定的温度和压力下合成碳酸二乙酯的反应原理和工艺流程。 - N-[ ( Phenylsulfonyl) methyl]-aniline was treated with aromatic aldehydes in the presence of sodium ethoxide and the structure of the seven condensation products was confirmed by elemental analyses, IR, 1H NMR and MS spectra.
由N－苯磺酰基甲基苯胺与芳醛反应得到了7种缩合产物，其结构经元素分析、1HMR、MS和IR所确证。