简述了丙二酸二乙酯的生产和合成技术，详细介绍了它在有机合成中的广泛用途。
Sketch diethyl malonate production and synthetic technology of ester, introduce it's extensive use in the organic synthesis in detail.
通过相对应的酯，合成苯基乙基丙二酸并经红外光谱对其进行初步表征。
Ethyl phenylmalonate was synthesized to pass through the diethyl ethylphenylmalonate, and initially characterized by infrared spectrum.
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。
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.
以对苯胺、丙二酸二乙酯为原料、吡啶为溶剂合成N，N'-二苯基丙二酰胺的方法进行了研究。
The method of synthesizing N, N′-diphenylmalonamide employing aniline and malonic ester and pyridine as extractant was investigated.
根据缩合原理，研究并提出了“克兰逊”催化缩合法，通过特性触煤合成了乙氧基甲叉基丙二酸二乙酯产品，提高了产品质量及回收率。
Through the peculiarity contact-coat, composes the ethoxy methylene propane dioic acid dio-ethylest which improves the quality and yield of the product.
目前用丙二酸二酯作原料的合成方法，在最后得到的生物素中会伴随杂质的产生。
In a traditional synthesis method with malonate ester as the raw material, impurities are produced in the finally obtained biotin.
本文综述了合成丁二酸二异丙酯的几种方法，比较了它们的优劣。
A synthesis method of diisopropyl succinate by using resin as catalyst instead of inorganic or organic acid was elaborated.
本文研究了以丙酰丙酮酸乙酯、 硫酸二胺和硫酸钾为原料合成吡螨胺中间体3-乙基-5- 吡唑羧酸乙酯的方法。
It is reported that ethy1 3-ethyl-5-pyrazole- carboxylate, an intermediate for tebufenpyrad, was synthesized by using ethyl propionyl acetonate and others as starting materials.
在我们的合成方法中，先从-苯乙醇开始合成了-苯乙基氯，再用丙二酸二乙酯的烯醇盐离子进行亲核取代。
First we synthesized the -phenylethyl chloride from -phenylethyl alcohol. Then it was substituted by enolate anion of diethyl malonate and converted to ester.
第一部分讨论了DL-蛋氨酸及其衍生物的化学合成，包括丙烯醛法、丙二酸酯法，氨基内酯法等，并着重介绍了海因法。
In the first part, chemical synthesis, including by acraldehyde, malonic ester, ami no lactone and others were discussed and synthesis by hydantoin was emphasized.
第一部分讨论了DL-蛋氨酸及其衍生物的化学合成，包括丙烯醛法、丙二酸酯法，氨基内酯法等，并着重介绍了海因法。
In the first part, chemical synthesis, including by acraldehyde, malonic ester, ami no lactone and others were discussed and synthesis by hydantoin was emphasized.
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