Flexible Zirconium Metal‐Organic Frameworks as Bioinspired Switchable Catalysts

Shuai Yuan; Lanfang Zou; Haixia Li; Ying‐Pin Chen; Junsheng Qin; Qiang Zhang; Weigang Lu; Michael B Hall; Hong‐Cai Zhou

doi:10.1002/anie.201604313

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Flexible Zirconium Metal‐Organic Frameworks as Bioinspired Switchable Catalysts

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Flexible Zirconium Metal‐Organic Frameworks as Bioinspired Switchable Catalysts

Shuai Yuan, Lanfang Zou, Haixia Li, Ying‐Pin Chen, Junsheng Qin, Qiang Zhang, Weigang Lu, Michael B Hall and Hong‐Cai Zhou

Angewandte Chemie (International ed.), Vol.55(36), pp.10776-10780

08/26/2016

DOI: https://doi.org/10.1002/anie.201604313

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https://hdl.handle.net/2376/113673

PMID: 27346468

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Abstract

flexible MOFs

switchable catalysts

bioinspired catalysts

pore opening

epoxides

Flexible metal–organic frameworks (MOFs) are highly desirable in host–guest chemistry owing to their almost unlimited structural/functional diversities and stimuli‐responsive pore architectures. Herein, we designed a flexible Zr‐MOF system, namely PCN‐700 series, for the realization of switchable catalysis in cycloaddition reactions of CO2 with epoxides. Their breathing behaviors were studied by successive single‐crystal X‐ray diffraction analyses. The breathing amplitudes of the PCN‐700 series were modulated through pre‐functionalization of organic linkers and post‐synthetic linker installation. Experiments and molecular simulations confirm that the catalytic activities of the PCN‐700 series can be switched on and off upon reversible structural transformation, which is reminiscent of sophisticated biological systems such as allosteric enzymes. An open and shut case: The inherent cavities and dynamic behavior of flexible MOFs, bear a close resemblance to regulatory enzymes. Switchable activation and deactivation of their catalytic properties occurs on pore opening and closing by solvation/solvent removal.

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Title: Flexible Zirconium Metal‐Organic Frameworks as Bioinspired Switchable Catalysts
Creators: Shuai Yuan - Texas A&M University
Lanfang Zou - Texas A&M University
Haixia Li - Texas A&M University
Ying‐Pin Chen - Texas A&M University
Junsheng Qin - Texas A&M University
Qiang Zhang - Texas A&M University
Weigang Lu - Blinn College
Michael B Hall - Texas A&M University
Hong‐Cai Zhou - Texas A&M University
Publication Details: Angewandte Chemie (International ed.), Vol.55(36), pp.10776-10780
Academic Unit: Chemistry, Department of
Number of pages: 5
Grant note: Texas A&M Energy Institute Graduate Fellowship funded by ConocoPhillips Dow Chemical Graduate Fellowship National Science Foundation (CHE-1300787) U.S. Department of Energy (DE-SC0001015; DE-EE-0007049) Welch Foundation (A-0648)
Identifiers: 99900548390501842
Language: English
Resource Type: Journal article