用于在常压下将CO无溶剂环加成到环氧化物的高活性双核钴配合物。
Highly active dinuclear cobalt complexes for solvent-free cycloaddition of CO to epoxides at ambient pressure.
作者信息
Khattak Zafar A K, Younus Hussein A, Ahmad Nazir, Ullah Habib, Suleman Suleman, Hossain Md Shahadat, Elkadi Mirella, Verpoort Francis
机构信息
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, P. R. China.
College of Arts and Sciences, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, United Arab Emirates.
出版信息
Chem Commun (Camb). 2019 Jul 11;55(57):8274-8277. doi: 10.1039/c9cc02626f.
Dinuclear Co-based catalysts are used for the coupling reaction of epoxides and CO2 in the presence of a cocatalyst. The easily recyclable catalysts efficiently complete the coupling of CO2 with various epoxides into industrially important cyclic carbonates at low catalyst loading and displayed high catalytic activity under relatively low CO2 pressure and solvent-free conditions. The maximum TON (168 600) and TOF (3333 h-1) obtained in this work are the highest among the reported Co-complexes.
双核钴基催化剂在助催化剂存在下用于环氧化物与二氧化碳的偶联反应。这些易于回收的催化剂在低催化剂负载量下能有效地将二氧化碳与各种环氧化物偶联生成具有工业重要性的环状碳酸酯，并且在相对较低的二氧化碳压力和无溶剂条件下表现出高催化活性。本工作中获得的最大TON（168600）和TOF（3333 h⁻¹）是已报道的钴配合物中最高的。
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