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题名: Synthesis of a Pyridine-Zinc-Based Porous Organic Polymer for the Co-catalyst-Free Cycloaddition of Epoxides
作者: Li, He1;  Li, Chunzhi1, 2;  Chen, Jian1, 2;  Liu, Lina1, 2;  Yang, Qihua1
关键词: bifunctional catalysts ;  cycloaddition ;  oxygen heterocycles ;  polymers ;  zinc
刊名: CHEMISTRY-AN ASIAN JOURNAL
发表日期: 2017-05-18
DOI: 10.1002/asia.201700258
卷: 12, 页:1095-1103
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The synthesis of solid catalysts for the co-catalyst-free cycloaddition of CO2 has attracted much attention. Herein, we report a hierarchical porous organic polymer, Py-Zn@MA, that is able to catalyze the cycloaddition reaction of epoxides and CO2 without using any additives or co-catalyst to afford turnover frequency (TOF) values as high as 250 and 97 h(-1) at 130 degrees C by using pure and diluted CO2 (simulating flue gas), respectively. These results are superior to those obtained from previously reported heterogeneous co-catalystfree systems. The high activity of Py-Zn@MA is mainly attributed to its bifunctional nature with ZnBr2 and pyridine activating the epoxide in a cooperative way. Notably, Py-Zn@MA can be easily prepared on a large scale without using any catalyst and the chemicals are cost effective. Moreover, PyZn@MA shows good substrate universality for the cycloaddition reactions of epoxides. Our designed porous organic polymer Py-Zn@MA material has the potential to serve as an efficient catalyst for the direct conversion of flue gas with epoxides into value-added cyclic carbonates.
关键词[WOS]: CONJUGATED MICROPOROUS POLYMER ;  CYCLIC CARBONATES ;  EFFICIENT SYNTHESIS ;  CHEMICAL FIXATION ;  GAS UPTAKE ;  DIOXIDE ;  CAPTURE ;  CONVERSION ;  FRAMEWORKS ;  COMPLEX
语种: 英语
WOS记录号: WOS:000402921000010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152227
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, iChEM, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Li, He,Li, Chunzhi,Chen, Jian,et al. Synthesis of a Pyridine-Zinc-Based Porous Organic Polymer for the Co-catalyst-Free Cycloaddition of Epoxides[J]. CHEMISTRY-AN ASIAN JOURNAL,2017,12:1095-1103.
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