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MIL-101(Cr), an Efficient Heterogeneous Catalyst for One Pot Synthesis of 2,4,5-tri Substituted Imidazoles under Solvent Free Conditions

Faranak Manteghi, Fatemeh Zakeri, Owen Guy Orcid Logo, Zari Tehrani Orcid Logo

Nanomaterials, Volume: 11, Issue: 4

Swansea University Authors: Owen Guy Orcid Logo, Zari Tehrani Orcid Logo

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DOI (Published version): 10.3390/nano11040845

Abstract

A chromium-containing metal-organic framework (MOF), MIL-101 (Chromium(III) benzene-1,4-dicarboxylate), was used to catalyze the one pot, three component synthesis of some 2,4,5-trisubstituted imidazoles under solvent-free conditions. The advantages of using this heterogeneous catalyst include short...

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Published in: Nanomaterials
ISSN: 2079-4991
Published: MDPI AG 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa56545
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spelling 2021-04-28T13:53:40.4500056 v2 56545 2021-03-25 MIL-101(Cr), an Efficient Heterogeneous Catalyst for One Pot Synthesis of 2,4,5-tri Substituted Imidazoles under Solvent Free Conditions c7fa5949b8528e048c5b978005f66794 0000-0002-6449-4033 Owen Guy Owen Guy true false fd8e614b01086804c80fbafa6fa6aaf5 0000-0002-5069-7921 Zari Tehrani Zari Tehrani true false 2021-03-25 CHEM A chromium-containing metal-organic framework (MOF), MIL-101 (Chromium(III) benzene-1,4-dicarboxylate), was used to catalyze the one pot, three component synthesis of some 2,4,5-trisubstituted imidazoles under solvent-free conditions. The advantages of using this heterogeneous catalyst include short reaction time, high yields, easy and quick isolation of catalyst and products, low amount of catalyst needed, and that the addition of solvent, salt, and additives are not needed. This catalyst is highly efficient and can be recovered at least 5 times with a slight loss of efficiency. The structure of the metal-organic frameworks (MOF) was confirmed by X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM). Fourier transform infrared spectroscopy (FTIR) and proton nuclear magnetic resonance (HNMR) were performed to confirm some of the synthesized products. Experimental data indicated that the optimum amount of catalyst was 5 mg for benzil (1 mmol), 4-chlorobenzaldehyde (1 mmol), and ammonium acetate (2.5 mmol), and the synthetic route to the various imidazoles is performed in 10 min by 95% yield, an acceptable result rivalling those of other catalysts. Journal Article Nanomaterials 11 4 MDPI AG 2079-4991 heterogeneous catalysis; metal-organic frameworks; MIL-101; multicomponent reactions; solvent free 26 3 2021 2021-03-26 10.3390/nano11040845 COLLEGE NANME Chemistry COLLEGE CODE CHEM Swansea University UKRI, EP/M006301/1 2021-04-28T13:53:40.4500056 2021-03-25T08:35:56.0751416 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Faranak Manteghi 1 Fatemeh Zakeri 2 Owen Guy 0000-0002-6449-4033 3 Zari Tehrani 0000-0002-5069-7921 4 56545__19582__13e5b8a9a20f4219bd702aa46fd395a3.pdf 56545.VOR.nanomaterials-11-00845.pdf 2021-03-26T18:39:15.7181612 Output 2988665 application/pdf Version of Record true Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) 4.0 license. true eng https://creativecommons.org/licenses/by/4.0/
title MIL-101(Cr), an Efficient Heterogeneous Catalyst for One Pot Synthesis of 2,4,5-tri Substituted Imidazoles under Solvent Free Conditions
spellingShingle MIL-101(Cr), an Efficient Heterogeneous Catalyst for One Pot Synthesis of 2,4,5-tri Substituted Imidazoles under Solvent Free Conditions
Owen Guy
Zari Tehrani
title_short MIL-101(Cr), an Efficient Heterogeneous Catalyst for One Pot Synthesis of 2,4,5-tri Substituted Imidazoles under Solvent Free Conditions
title_full MIL-101(Cr), an Efficient Heterogeneous Catalyst for One Pot Synthesis of 2,4,5-tri Substituted Imidazoles under Solvent Free Conditions
title_fullStr MIL-101(Cr), an Efficient Heterogeneous Catalyst for One Pot Synthesis of 2,4,5-tri Substituted Imidazoles under Solvent Free Conditions
title_full_unstemmed MIL-101(Cr), an Efficient Heterogeneous Catalyst for One Pot Synthesis of 2,4,5-tri Substituted Imidazoles under Solvent Free Conditions
title_sort MIL-101(Cr), an Efficient Heterogeneous Catalyst for One Pot Synthesis of 2,4,5-tri Substituted Imidazoles under Solvent Free Conditions
author_id_str_mv c7fa5949b8528e048c5b978005f66794
fd8e614b01086804c80fbafa6fa6aaf5
author_id_fullname_str_mv c7fa5949b8528e048c5b978005f66794_***_Owen Guy
fd8e614b01086804c80fbafa6fa6aaf5_***_Zari Tehrani
author Owen Guy
Zari Tehrani
author2 Faranak Manteghi
Fatemeh Zakeri
Owen Guy
Zari Tehrani
format Journal article
container_title Nanomaterials
container_volume 11
container_issue 4
publishDate 2021
institution Swansea University
issn 2079-4991
doi_str_mv 10.3390/nano11040845
publisher MDPI AG
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
document_store_str 1
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description A chromium-containing metal-organic framework (MOF), MIL-101 (Chromium(III) benzene-1,4-dicarboxylate), was used to catalyze the one pot, three component synthesis of some 2,4,5-trisubstituted imidazoles under solvent-free conditions. The advantages of using this heterogeneous catalyst include short reaction time, high yields, easy and quick isolation of catalyst and products, low amount of catalyst needed, and that the addition of solvent, salt, and additives are not needed. This catalyst is highly efficient and can be recovered at least 5 times with a slight loss of efficiency. The structure of the metal-organic frameworks (MOF) was confirmed by X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM). Fourier transform infrared spectroscopy (FTIR) and proton nuclear magnetic resonance (HNMR) were performed to confirm some of the synthesized products. Experimental data indicated that the optimum amount of catalyst was 5 mg for benzil (1 mmol), 4-chlorobenzaldehyde (1 mmol), and ammonium acetate (2.5 mmol), and the synthetic route to the various imidazoles is performed in 10 min by 95% yield, an acceptable result rivalling those of other catalysts.
published_date 2021-03-26T04:11:35Z
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