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Impact of the Preparation Procedure on the Performance of the Microporous HKUST-1 Metal-Organic Framework in the Liquid-Phase Separation of Aromatic Compounds

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N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia
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Institute of Ecotechnology, National University of Science and Technology MISiS, Leninsky Prospect 4, 119991 Moscow, Russia
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A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Building 4, 31 Leninsky Prospect, 119071 Moscow, Russia
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Department of Chemistry, M.V. Lomonosov Moscow State University, 1-3 Leninskie Gory, 119991 Moscow, Russia
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A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., 119991 Moscow, Russia
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Authors to whom correspondence should be addressed.
Molecules 2020, 25(11), 2648; https://doi.org/10.3390/molecules25112648
Received: 12 May 2020 / Revised: 2 June 2020 / Accepted: 3 June 2020 / Published: 6 June 2020
To date, metal-organic frameworks (MOFs) have been recognized as promising solid phases in high-performance liquid chromatography (HPLC). This research aimed to elucidate the role of the physico-chemical characteristics of the microporous HKUST-1 metal-organic framework in its operation as a selective adsorbent in HPLC. For this, the HKUST-1 samples were prepared by microwave-assisted synthesis and a solvothermal procedure. According to the chromatographic examinations, the HKUST-1 material synthesized in the microwave fields shows an efficient performance in the selective adsorption of aromatic compounds with different functionalities. This study revealed a significant impact of the preparation procedure on the mechanism of the liquid-phase adsorption on the HKUST adsorbents under conditions of the HPLC. An effect of the elution solvent with the different coordination ability to the Cu2+ sites in the HKUST-1 structure on the adsorption selectivity was observed. View Full-Text
Keywords: metal-organic frameworks (MOFs); selective adsorption; high-performance liquid chromatography metal-organic frameworks (MOFs); selective adsorption; high-performance liquid chromatography
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Isaeva, V.I.; Saifutdinov, B.R.; Chernyshev, V.V.; Vergun, V.V.; Kapustin, G.I.; Kurnysheva, Y.P.; Ilyin, M.M.; Kustov, L.M. Impact of the Preparation Procedure on the Performance of the Microporous HKUST-1 Metal-Organic Framework in the Liquid-Phase Separation of Aromatic Compounds. Molecules 2020, 25, 2648.

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