malonic ester
英
美
丙二酸二乙酯
双语例句
- Finally, phenylethyl malonic acid was obtained by acidification from saponification of the ester.
将所得的苯乙基丙二酸二乙酯皂化继而酸化，最后得到了苯乙基丙二酸。 - The reaction of malonic ester with aro-matics can also be carried out by above reagents.
丙二酸二乙酯和芳烃在三乙酸锰和磷酸作用下也能发生同样的反应。 - Synthesis of 2-{ 4-[ 2-( phenoxazin-10-yl) ethoxyl]-benzyl}-malonic acid Dimethyl Ester
2-{4-[2-（吩恶嗪-10-基）乙氧基]苄基}-丙二酸二甲酯的合成 - Technology of Prepare Nitroso-malonic ester and Disposal of the Three wastes
亚硝基丙二酸酯的制备及三废治理 - When the amount of catalyst is 0.03 mol ( based on F-) and the molar ratio of acrylon to malonic ester is 1:3, the yield of Michael addition reaction was over 88% after 3 hours.
当催化剂用量以F-计为0.03mol，反应原料丙二酸二乙酯与丙稀腈之比为3：1，反应时间为2h，加成反应的转化率最高。 - In the recent report about the one pot synthesis of malonic acid ester needs tert-butyl hydroperoxide exist some defect such as expensive, explosive, so it was not suit for the industrialization production.
在最近报道的丙二酸酯类化合物一步法合成的方法中使用的氧化剂叔丁基过氧化氢存在价格高、易爆炸等缺点，不适合工业化生产。 - This method provided a new way which was simply operated, excellent yields and environmental to get many nitro compound introductions. Third, the malonic acid ester compounds are the important intermediates in dye and spice and also have important use in fields of medicine.
本课题为硝基官能团的引入提供了一条操作简便、绿色环保、收率良好的新方法。第三，丙二酸酯类化合物是染料和香料的重要中间体，并用作合成医药的原料。