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The transformation strategies between homogeneous and heterogeneous catalysts for the coupling reactions of CO2 and epoxides/olefins
Inorganic Chemistry Communications ( IF 4.4 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.inoche.2020.108197
Xiaojing Song , Jing Wang , Libin Yang , Huiyan Pan , Bin Zheng

Abstract CO2 as the C1 building blocks, plays an important role in the carbon cycle of natural. Various efforts have been devoted to the capture and utilization of CO2 with physical, biomass and chemical approaches. Among these methods, the coupling of CO2 with epoxides to prepare cyclic carbonates (CC) is considered to be one of the most promising approaches for conversing CO2 to valuable chemicals. Considering the strong economic potential of CC, it is urgently needed to improve the synthesis conditions and decrease production costs. However, CO2 is a thermodynamically stable molecule, the use of catalysts is therefore indispensable for activation and facilitating the CO2/epoxides coupling reaction in a selective manner under mild conditions. This review covers two kinds of homogeneous catalysts Lewis acid plus nitrogen/phosphorus organic compounds, and their corresponding heterogeneous catalysts mainly focusing on metal organic frameworks and porous organic polymers for the coupling reactions of CO2 and epoxides. Finally, an overview on the future trend of CC synthesis with alkene instead of epoxides to couple CO2 under relative mild conditions would be displayed.

中文翻译:

CO2与环氧化物/烯烃偶联反应的均相和非均相催化剂转化策略

摘要 CO2作为C1的组成部分,在自然碳循环中发挥着重要作用。各种努力致力于通过物理、生物质和化学方法捕获和利用 CO2。在这些方法中,CO2 与环氧化物偶联制备环状碳酸酯 (CC) 被认为是将 CO2 转化为有价值化学品的最有前途的方法之一。考虑到CC强大的经济潜力,迫切需要改善合成条件,降低生产成本。然而,CO2 是一种热力学稳定的分子,因此催化剂的使用对于在温和条件下以选择性方式活化和促进 CO2/环氧化物偶联反应是必不可少的。本综述涵盖了路易斯酸加氮/磷有机化合物两种均相催化剂及其相应的非均相催化剂,主要关注用于CO2与环氧化物偶联反应的金属有机骨架和多孔有机聚合物。最后,概述了在相对温和的条件下用烯烃代替环氧化物来耦合 CO2 的 CC 合成的未来趋势。
更新日期:2020-11-01
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