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      A metal–metalloporphyrin framework based on an octatopic porphyrin ligand for chemical fixation of CO2 with aziridines

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          Abstract

          A new porous metal–metalloporphyrin framework, MMPF-10, was synthesized for CO 2 cycloaddition with aziridines.

          Abstract

          A new porous metal–metalloporphyrin framework, MMPF-10, has been constructed from an octatopic porphyrin ligand, which links copper paddlewheel units to form a framework with fmj topology. In situ metallation of the porphyrin ligands provides MMPF-10 with two unique accessible Cu( ii) centers. This allows it to behave as an efficient Lewis acid catalyst in the first reported reaction of CO 2 with aziridines to synthesize oxazolidinones catalyzed by an MMPF.

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          Metal-organic frameworks (MOFs).

          Hong-Cai Zhou, Susumu Kitagawa (2014)
          Article 0 comments Cited 793 times – based on 0 reviews     Review now
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            Zirconium-Metalloporphyrin PCN-222: Mesoporous Metal-Organic Frameworks with Ultrahigh Stability as Biomimetic Catalysts

            Hai-Long Jiang, Zhangwen Wei, Dawei Feng … (2013)
            Article 0 comments Cited 440 times – based on 0 reviews     Review now
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              Visible-Light Photoreduction of CO2 in a Metal-Organic Framework: Boosting Electron-Hole Separation via Electron Trap States.

              Hai-Qun Xu, Jiahua Hu, Dengke Wang … (2015)
              It is highly desirable to convert CO2 to valuable fuels or chemicals by means of solar energy, which requires CO2 enrichment around photocatalysts from the atmosphere. Here we demonstrate that a porphyrin-involved metal-organic framework (MOF), PCN-222, can selectively capture and further photoreduce CO2 with high efficiency under visible-light irradiation. Mechanistic information gleaned from ultrafast transient absorption spectroscopy (combined with time-resolved photoluminescence spectroscopy) has elucidated the relationship between the photocatalytic activity and the electron-hole separation efficiency. The presence of a deep electron trap state in PCN-222 effectively inhibits the detrimental, radiative electron-hole recombination. As a direct result, PCN-222 significantly enhances photocatalytic conversion of CO2 into formate anion compared to the corresponding porphyrin ligand itself. This work provides important insights into the design of MOF-based materials for CO2 capture and photoreduction.
              Article 0 comments Cited 323 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (publisher-id): CHCOFS
                Title: Chemical Communications
                Abbreviated Title: Chem. Commun.
                Publisher: Royal Society of Chemistry (RSC)
                ISSN (Print): 1359-7345
                ISSN (Electronic): 1364-548X
                Publication date Created: 2018
                Publication date (Electronic): 2018
                Volume: 54
                Issue: 10
                Pages: 1170-1173
                Affiliations
                [1 ]School of Chemistry and Chemical Engineering
                [2 ]South China University of Technology
                [3 ]Guangzhou 510640
                [4 ]P. R. China
                [5 ]Department of Chemistry
                [6 ]University of South Florida
                [7 ]Tampa
                [8 ]USA
                [9 ]ChemMatCARS
                [10 ]Center for Advanced Radiation Sources
                [11 ]The University of Chicago
                [12 ]Argonne
                Article
                DOI: 10.1039/C7CC08844B
                SO-VID: 4b70fe13-bf9f-4c34-a522-6af21aac214a
                Copyright © © 2018
                License:

                http://rsc.li/journals-terms-of-use

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