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Efficient fixation of CO2 by a zinc-coordinated conjugated microporous polymer
Yong Xie1, Ting-Ting Wang, Rui-Xia Yang
1Hubei Key Laboratory of Natural Products Research, College of Chemistry and Life Sciences, China Three Gorges University, Yichang 443002 (PR China); State Key Laboratory of Molecular Reaction Dynamics, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Science, 457 Zhongshan Road, Dalian 116023 (PR China), Fax: (+86) 411-84675584.
Abstract:
Zinc-coordinated conjugated microporous polymers (Zn-CMPs), prepared by linking salen zinc and 1,3,5-triethynylbenzene, exhibit extraordinary activities (turnover frequencies of up to 11600 h(-1) ), broad substrate scope, and group tolerance for the synthesis of functional organic carbonates by coupling epoxides with CO2 at 120 °C and 3.0 MPa without the use of additional solvents. The catalytic activity of Zn-CMP is comparable to those of homogeneous catalysts and superior to those of other heterogeneous catalysts. This catalyst could be reused more than ten times without a significant decrease in performance.
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