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A Multifunctional MOFs as Recyclable Catalyst for Fixation of CO2 with Aziridines or Epoxides and Luminescent Probe of Cr(VI)

Abstract

A multifunctional metal-organic framework (1) containing 24-nuclear zinc nanocages displays high solvent- and pH-stability. Compound 1 can be employed as catalyst for the conversion of CO2 with aziridines or epoxides, which can be reused at least ten times just by a simple and rapid method. The PXRD of compound 1 after ten recyclings keeps well consistent with the original one. Inductively coupled plasma measurement of reaction filtrate revealed that only trace amount leakage of Zn2+ was observed, indicating that the framework did not collapse after recyclings. Compound 1 can effectively catalyze cycloaddition reaction of CO2 and five aziridines or five epoxides with different substituent groups. To our knowledge, this is the first multifunctional MOFs-based catalyst serving as the conversion of CO2 with aziridines or eopoxides. Furthermore, luminescent investigations reveal that compound 1 can also act as a luminescent probe for chromium(VI) anion species, which is seriously harmful to human and environments. After five cycle tests, the PXRD of compound 1 are still in accordance with the original one, manifesting compound 1 can be served as a circulatory luminescent probe for Cr(VI) anions.

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Publication details

The article was received on 20 Jan 2018, accepted on 14 Feb 2018 and first published on 14 Feb 2018


Article type: Paper
DOI: 10.1039/C8DT00254A
Citation: Dalton Trans., 2018, Accepted Manuscript
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    A Multifunctional MOFs as Recyclable Catalyst for Fixation of CO2 with Aziridines or Epoxides and Luminescent Probe of Cr(VI)

    C. Cao, Y. Shi, H. Xu and B. Zhao, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT00254A

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