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.
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