Study on preparation of cyclic carbonates catalyzed by metalloporphyrin-based porous polymers
This article reviews the preparation of cyclic carbonates from alkylene oxides and CO2 catalyzed by metalloporphyrin polymers.It is found that metalloporphyrin-based porous polymers have high specific surface area,central metal of the porphyrin ring and nucleophilicity in small molecule polymerized mono-mers,which are the key points for efficiently catalyzing the cycloaddition reaction of epoxides and CO2 un-der mild conditions.However,currently synthesized metalloporphyrin polymers have some problems,such as easy pore size,unstable structure,and difficulty in adapting to large-sized epoxides.In the future,we should focus on designing and preparing dual-active site metalloporphyrin-based porous polymers with small steric hindrance,stable performance,and a large number of Lewis acid-base highly active centers,which is the direction we need to research in the future.
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