锌离子液体系高效催化合成环状碳酸酯

THE HIGH-EFFECTIVE CATALYSIS AND SYNTHESIS OF CYCLIC CARBONIC ESTER BY ZN ION SOLUTION SYSTEM

研究了离子液体助催化的各种无机盐催化剂体系用于二氧化碳和环氧化合物通过环加成反应制备环状碳酸酯 ,结果表明锌盐催化剂体系能够非常高效地催化该反应 ,最高得到了 5 472h- 1的催化转化频率 (TOF)和 10 0 %的选择性 ,催化剂使用六次以后没有发现催化活性和选择性的下降 ,并且该催化剂体系能够适用于各种结构的环氧化合物。

This article introduces the research that the catalyst system of various inorganic salts, that its catalyst promoter is ion solution is applied in preparing cycliccarbonate ester by the cycloaddition of carbonate dioxide and epoxide. The test results indicate that the zincate catalyst systems can accelerate these reactions high-effectively, so its selectivity is up to 100% and TOF is 5472h -1, and the activity and the selectivity of the catalyst are kept in six times, and the catalyst system can be available to various epoxides.