A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces
Resumen:
Adding to the versatile class of ionic liquids, we report the detailed structure and property analysis of a new lass of asymmetrically substituted imidazolium salts, offering interesting thermal characteristics, such as liquid rystalline behavior, polymorphism or glass transitions. A scalable general synthetic procedure for N-polyaryl-N’-alkyl-functionalized imidazolium salts with para-substituted linker (L) moieties at the aryl chain, namely LPhmImHR]+ (L=Br, CN, SMe, CO2Et, OH; m=2, 3; R=C12, PEGn; n=2, 3, 4), was developed. These imidazolium salts were studied by single-crystal X-ray diffraction (SC-XRD), NMR spectroscopy and thermochemical methods (DSC, TGA). Furthermore, these imidazolium salts were used as N-heterocyclic carbene (NHC) ligand precursors for mononuclear, first-row transition metal complexes (MnII, FeII, CoII, NiII, ZnII, CuI, AgI, AuI) and for the dinuclear Ti-supported Fe-NHC complex [(OPy)2Ti(OPh2ImC12)2(FeI2)] (OPy=pyridin-2-ylmethanolate). The complexes were studied concerning their structural and magnetic behavior via multi-nuclear NMR spectroscopy, SC-XRD analyses, variable temperature and field-dependent (VT-VF) SQUID magnetization methods, X-band EPR spectroscopy and, where appropriate, zero-field 57Fe Mössbauer spectroscopy.
2022 | |
Imidazolium salts Ionic Liquids Electrochemistry |
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Inglés | |
Universidad de la República | |
COLIBRI | |
https://hdl.handle.net/20.500.12008/37936 | |
Acceso abierto | |
Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0) |
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---|---|
author | Vera, Seidl |
author2 | Romero Cordero, Angel Heriberto Heinemann, Frank W. Scheurer, Andreas Vogel, Carola S. Unruh, Tobias Wasserscheid, Peter Meyer, Karstern |
author2_role | author author author author author author author |
author_facet | Vera, Seidl Romero Cordero, Angel Heriberto Heinemann, Frank W. Scheurer, Andreas Vogel, Carola S. Unruh, Tobias Wasserscheid, Peter Meyer, Karstern |
author_role | author |
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collection | COLIBRI |
dc.contributor.filiacion.none.fl_str_mv | Vera Seidl Romero Cordero Angel Heriberto, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Química Biológica. Heinemann Frank W. Scheurer Andreas Vogel Carola S. Unruh Tobias Wasserscheid Peter Meyer Karstern |
dc.creator.none.fl_str_mv | Vera, Seidl Romero Cordero, Angel Heriberto Heinemann, Frank W. Scheurer, Andreas Vogel, Carola S. Unruh, Tobias Wasserscheid, Peter Meyer, Karstern |
dc.date.accessioned.none.fl_str_mv | 2023-07-04T12:27:40Z |
dc.date.available.none.fl_str_mv | 2023-07-04T12:27:40Z |
dc.date.issued.none.fl_str_mv | 2022 |
dc.description.abstract.none.fl_txt_mv | Adding to the versatile class of ionic liquids, we report the detailed structure and property analysis of a new lass of asymmetrically substituted imidazolium salts, offering interesting thermal characteristics, such as liquid rystalline behavior, polymorphism or glass transitions. A scalable general synthetic procedure for N-polyaryl-N’-alkyl-functionalized imidazolium salts with para-substituted linker (L) moieties at the aryl chain, namely LPhmImHR]+ (L=Br, CN, SMe, CO2Et, OH; m=2, 3; R=C12, PEGn; n=2, 3, 4), was developed. These imidazolium salts were studied by single-crystal X-ray diffraction (SC-XRD), NMR spectroscopy and thermochemical methods (DSC, TGA). Furthermore, these imidazolium salts were used as N-heterocyclic carbene (NHC) ligand precursors for mononuclear, first-row transition metal complexes (MnII, FeII, CoII, NiII, ZnII, CuI, AgI, AuI) and for the dinuclear Ti-supported Fe-NHC complex [(OPy)2Ti(OPh2ImC12)2(FeI2)] (OPy=pyridin-2-ylmethanolate). The complexes were studied concerning their structural and magnetic behavior via multi-nuclear NMR spectroscopy, SC-XRD analyses, variable temperature and field-dependent (VT-VF) SQUID magnetization methods, X-band EPR spectroscopy and, where appropriate, zero-field 57Fe Mössbauer spectroscopy. |
dc.format.extent.es.fl_str_mv | 13 h. |
dc.format.mimetype.es.fl_str_mv | application/pdf |
dc.identifier.citation.es.fl_str_mv | Vera, S, Romero Cordero, A, Heinemann, F, [y otros autores]. "A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces". Chemistry-A European Journal. [en línea] 2022, 28(20): e202200100.13 h. |
dc.identifier.doi.none.fl_str_mv | 10.1002/chem.202200100 |
dc.identifier.uri.none.fl_str_mv | https://hdl.handle.net/20.500.12008/37936 |
dc.language.iso.none.fl_str_mv | en_US eng |
dc.publisher.es.fl_str_mv | Wiley-VCH GmbH |
dc.relation.ispartof.es.fl_str_mv | Chemistry-A European Journal, 2022, 28(20): e202200100. |
dc.rights.license.none.fl_str_mv | Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0) |
dc.rights.none.fl_str_mv | info:eu-repo/semantics/openAccess |
dc.source.none.fl_str_mv | reponame:COLIBRI instname:Universidad de la República instacron:Universidad de la República |
dc.subject.es.fl_str_mv | Imidazolium salts Ionic Liquids Electrochemistry |
dc.title.none.fl_str_mv | A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces |
dc.type.es.fl_str_mv | Artículo |
dc.type.none.fl_str_mv | info:eu-repo/semantics/article |
dc.type.version.none.fl_str_mv | info:eu-repo/semantics/publishedVersion |
description | Adding to the versatile class of ionic liquids, we report the detailed structure and property analysis of a new lass of asymmetrically substituted imidazolium salts, offering interesting thermal characteristics, such as liquid rystalline behavior, polymorphism or glass transitions. A scalable general synthetic procedure for N-polyaryl-N’-alkyl-functionalized imidazolium salts with para-substituted linker (L) moieties at the aryl chain, namely LPhmImHR]+ (L=Br, CN, SMe, CO2Et, OH; m=2, 3; R=C12, PEGn; n=2, 3, 4), was developed. These imidazolium salts were studied by single-crystal X-ray diffraction (SC-XRD), NMR spectroscopy and thermochemical methods (DSC, TGA). Furthermore, these imidazolium salts were used as N-heterocyclic carbene (NHC) ligand precursors for mononuclear, first-row transition metal complexes (MnII, FeII, CoII, NiII, ZnII, CuI, AgI, AuI) and for the dinuclear Ti-supported Fe-NHC complex [(OPy)2Ti(OPh2ImC12)2(FeI2)] (OPy=pyridin-2-ylmethanolate). The complexes were studied concerning their structural and magnetic behavior via multi-nuclear NMR spectroscopy, SC-XRD analyses, variable temperature and field-dependent (VT-VF) SQUID magnetization methods, X-band EPR spectroscopy and, where appropriate, zero-field 57Fe Mössbauer spectroscopy. |
eu_rights_str_mv | openAccess |
format | article |
id | COLIBRI_4ac729444a5773de92f70b5e96f4fcde |
identifier_str_mv | Vera, S, Romero Cordero, A, Heinemann, F, [y otros autores]. "A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces". Chemistry-A European Journal. [en línea] 2022, 28(20): e202200100.13 h. 10.1002/chem.202200100 |
instacron_str | Universidad de la República |
institution | Universidad de la República |
instname_str | Universidad de la República |
language | eng |
language_invalid_str_mv | en_US |
network_acronym_str | COLIBRI |
network_name_str | COLIBRI |
oai_identifier_str | oai:colibri.udelar.edu.uy:20.500.12008/37936 |
publishDate | 2022 |
reponame_str | COLIBRI |
repository.mail.fl_str_mv | mabel.seroubian@seciu.edu.uy |
repository.name.fl_str_mv | COLIBRI - Universidad de la República |
repository_id_str | 4771 |
rights_invalid_str_mv | Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0) |
spelling | Vera SeidlRomero Cordero Angel Heriberto, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Química Biológica.Heinemann Frank W.Scheurer AndreasVogel Carola S.Unruh TobiasWasserscheid PeterMeyer Karstern2023-07-04T12:27:40Z2023-07-04T12:27:40Z2022Vera, S, Romero Cordero, A, Heinemann, F, [y otros autores]. "A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces". Chemistry-A European Journal. [en línea] 2022, 28(20): e202200100.13 h.https://hdl.handle.net/20.500.12008/3793610.1002/chem.202200100Adding to the versatile class of ionic liquids, we report the detailed structure and property analysis of a new lass of asymmetrically substituted imidazolium salts, offering interesting thermal characteristics, such as liquid rystalline behavior, polymorphism or glass transitions. A scalable general synthetic procedure for N-polyaryl-N’-alkyl-functionalized imidazolium salts with para-substituted linker (L) moieties at the aryl chain, namely LPhmImHR]+ (L=Br, CN, SMe, CO2Et, OH; m=2, 3; R=C12, PEGn; n=2, 3, 4), was developed. These imidazolium salts were studied by single-crystal X-ray diffraction (SC-XRD), NMR spectroscopy and thermochemical methods (DSC, TGA). Furthermore, these imidazolium salts were used as N-heterocyclic carbene (NHC) ligand precursors for mononuclear, first-row transition metal complexes (MnII, FeII, CoII, NiII, ZnII, CuI, AgI, AuI) and for the dinuclear Ti-supported Fe-NHC complex [(OPy)2Ti(OPh2ImC12)2(FeI2)] (OPy=pyridin-2-ylmethanolate). The complexes were studied concerning their structural and magnetic behavior via multi-nuclear NMR spectroscopy, SC-XRD analyses, variable temperature and field-dependent (VT-VF) SQUID magnetization methods, X-band EPR spectroscopy and, where appropriate, zero-field 57Fe Mössbauer spectroscopy.Submitted by Farías Verónica (vfarias@fcien.edu.uy) on 2023-07-03T21:24:23Z No. of bitstreams: 2 license_rdf: 23149 bytes, checksum: 1996b8461bc290aef6a27d78c67b6b52 (MD5) 101002chem202200100.pdf: 8255718 bytes, checksum: deb7fed3c8baff6b9701a69e77de5039 (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2023-07-04T12:04:49Z (GMT) No. of bitstreams: 2 license_rdf: 23149 bytes, checksum: 1996b8461bc290aef6a27d78c67b6b52 (MD5) 101002chem202200100.pdf: 8255718 bytes, checksum: deb7fed3c8baff6b9701a69e77de5039 (MD5)Made available in DSpace by Luna Fabiana (fabiana.luna@seciu.edu.uy) on 2023-07-04T12:27:40Z (GMT). No. of bitstreams: 2 license_rdf: 23149 bytes, checksum: 1996b8461bc290aef6a27d78c67b6b52 (MD5) 101002chem202200100.pdf: 8255718 bytes, checksum: deb7fed3c8baff6b9701a69e77de5039 (MD5) Previous issue date: 202213 h.application/pdfen_USengWiley-VCH GmbHChemistry-A European Journal, 2022, 28(20): e202200100.Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)Imidazolium saltsIonic LiquidsElectrochemistryA new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfacesArtículoinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaVera, SeidlRomero Cordero, Angel HeribertoHeinemann, Frank W.Scheurer, AndreasVogel, Carola S.Unruh, TobiasWasserscheid, PeterMeyer, KarsternLICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/37936/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; 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- Universidad de la Repúblicafalse |
spellingShingle | A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces Vera, Seidl Imidazolium salts Ionic Liquids Electrochemistry |
status_str | publishedVersion |
title | A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces |
title_full | A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces |
title_fullStr | A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces |
title_full_unstemmed | A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces |
title_short | A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces |
title_sort | A new class of task-specific imidazolium salts and ionic liquids and their corresponding transition-metal complexes for immobilization on electrochemically active surfaces |
topic | Imidazolium salts Ionic Liquids Electrochemistry |
url | https://hdl.handle.net/20.500.12008/37936 |