[EN] PROCESS FOR PREPARING CARBONATES BY ADDITION OF CO2 WITH AN EPOXIDE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE CARBONATES PAR ADDITION DE CO2 AVEC UN ÉPOXYDE
申请人:EVONIK ROEHM GMBH
公开号:WO2019238548A1
公开(公告)日:2019-12-19
The invention relates to a process for preparing cyclic organic carbonates, characterized in that an epoxide is initially charged in the presence of CO2 and then a catalyst is added.
Phosphorus-based Bifunctional Organocatalysts for the Addition of Carbon Dioxide and Epoxides
作者:Thomas Werner、Hendrik Büttner
DOI:10.1002/cssc.201402477
日期:2014.12
Bifunctional phosphonium salts were synthesized and employed as organocatalysts for the atom efficient synthesis of cyclic carbonates from CO2 and epoxides for the first time. These catalysts were obtained in high yields by a modular, straightforward one‐step synthesis. The hydrogen‐bond donating alcohol function in the side chain leads to a synergistic effect accelerating the catalytic reaction. The
Life Cycle Assessment for the Organocatalytic Synthesis of Glycerol Carbonate Methacrylate
作者:Hendrik Büttner、Christina Kohrt、Christoph Wulf、Benjamin Schäffner、Karsten Groenke、Yuya Hu、Daniela Kruse、Thomas Werner
DOI:10.1002/cssc.201900678
日期:2019.6.21
Bifunctional ammonium and phosphonium salts have been identified as potential organocatalysts for the synthesis of glycerolcarbonatemethacrylate (GCMA). Three of these catalysts showed high efficiency and allowed the conversion of glycidyl methacrylate with CO2 to the desired product in >99 % conversion and selectivity. Subsequently, immobilized analogues of selected catalysts were prepared and tested
双功能铵盐和phospho盐已被确定为潜在的有机合成甲基丙烯酸碳酸甘油酯(GCMA)的有机催化剂。这些催化剂中的三种显示出高效率,并允许用CO 2转化甲基丙烯酸缩水甘油酯转化率和选择性> 99%的目标产物。随后,制备并测试了所选催化剂的固定化类似物。二氧化硅载体上的苯酚取代的salt盐被证明是回收实验中很有希望的候选物。在12次连续运行中使用了相同的催化剂,GCMA的收率高达88%。此外,从表氯醇(EPH)和甲基丙烯酸(MAA)开始对GCMA的合成进行了生命周期评估。对于1 kg GCMA的功能单元,15 wt%归因于CO 2的掺入,这导致整个过程的全球变暖潜力降低了3%。
PROCESS FOR PREPARING CARBONATES BY ADDITION OF CO2 WITH AN EPOXIDE