Carbon dioxide (CO2), as the major greenhouse gas, had shown its powerful impact on global warming and a series of environmental issues.To eliminate the CO2 emission and retain the balance of carbon cycle, the conversion of CO2 into value added products via chemical fixation methods had attracted booming interests.The emerging metal-organic frameworks (MOFs) possessing high surface area and uniform dispersed catalytic sites had been considered the powerful heterogeneous catalysts for CO2 capture and sequential fixation.In this work, the catalytic properties of the metal-organic framework HKUST-1 in cycloaddition of CO2 to epoxides to produce cyclic carbonates with tetrabutylammonium bromide as co-catalyst at ambient reaction condition (1 atm CO2 and 35 ℃) were investigated.After reaction for 48 hours, HKUST-1 demonstrated efficient catalytic activity for cycloaddtion of styrene oxide with a yield of 88％over 48 hours.%二氧化碳作为主要温室气体, 引发了温室效应和一系列环境问题.为了减少二氧化碳排放并保持碳循环的平衡, 通过化学固定将二氧化碳转化为增值产品的方法引起了人们的广泛关注.新兴的金属-有机骨架 (MOFs) 具有高表面积和均匀分散的催化位点, 被认为是CO2捕获和固定的理想的多相催化剂.本文研究了在温和反应条件 (1atm CO2和35℃) 下, 四丁基溴化铵作为助催化剂, HKUST-1催化环氧乙基苯与二氧化碳偶联反应的催化性能.HKUST-1显示出高效催化氧化苯乙烯环加成反应的活性, 反应48 h后转化率可达88％.
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