原甲酸三乙酯

固-液相转移催化合成原甲酸三乙酯

Solid-liquid phase transfer catalyzed synthesis of triethyl orthoformate

以乙酸乙酯、原甲酸三乙酯、乙酸酐等为起始原料经缩合、环化等五步反应合成了新型免疫调节抑制剂抗类风湿性关节炎新药来氟米特.用新型催化剂三乙胺合成乙酰乙酸酯

Leflunomide , a new antirheumatoid arthritis drug was synthesized from the starting material ethyl acetoacetate , triethyl orthoformate , acetic anhydride , etc. Synthesis of acetoacetate esters using a new catalyst & triethylamine

反应体系除水和酸度控制是反应的关键因素，反应中以原甲酸三乙酯作除水剂，并将PH值控制在了5-6之间。

Continuous removal of water from the reaction system and careful control of acid concentration were found to be critical factors .

2，2－亚戊基－1，3－二氧六环－4，6－二酮与原甲酸三乙酯和脲素衍生物的反应

Reaction of 2 , 2-Pentamethylene-1,3-dioxan-4,6-dione with Triethyl Orthoformate , and Urea Derivatives

原甲酸三乙酯的生产技术与市场状况

Production technology and market status of triethyl orthoformate

原甲酸三乙酯生产技术动向

The Manufacture Technique Trend of Triethyl Orthoacetate

介绍了原甲酸三乙酯的生产技术及市场发展概况，结合目前市场情况分析了该产品作为氯碱企业新产品开发的形势。

This article describes the general status of develop on product and market of triethyl orthoformate in domestic , and analysis the status of research and development as a new product for chlor - alkali enterprise .