Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cations

This account reports the synthesis and structural characterization of the first cyclometallated platinum(II) complex that coordinates a potassium cation in a sandwich arrangement via two 15-crown-5 ether rings within the same molecule. The cooperation of the two small crown ether moieties allows the...

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Autores: Lucio-Martínez, Fátima, Reigosa, Francisco, Bermúdez, Brais, Adams, Harry, Pereira Lorenzo, María Teresa, Vila Abad, José Manuel
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universidad de Santiago de Compostela (USC)
Repositorio:Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
Idioma:inglés
OAI Identifier:oai:minerva.usc.gal:10347/39353
Acceso en línea:https://hdl.handle.net/10347/39353
Access Level:acceso abierto
Palabra clave:Platino
Éteres corona
Cationes de potasio
2303 Química inorgánica
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spelling Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cationsLucio-Martínez, FátimaReigosa, FranciscoBermúdez, BraisAdams, HarryPereira Lorenzo, María TeresaVila Abad, José ManuelPlatinoÉteres coronaCationes de potasio2303 Química inorgánicaThis account reports the synthesis and structural characterization of the first cyclometallated platinum(II) complex that coordinates a potassium cation in a sandwich arrangement via two 15-crown-5 ether rings within the same molecule. The cooperation of the two small crown ether moieties allows the entrapment of the non-ideal potassium ion. The reaction of the parent thiosemicarbazone ligand 3,4-(C8H16O5)C6H3C(Me) NN−(H)C( S)NHMe, 1, containing the crown ether ring, with K2[PtCl4], or alternatively with PtCl2(DMSO)2, and subsequent treatment with the diphosphanes Ph2PCH2PPh2 (dppm) and Ph2PC( CH2)PPh2 (vdpp) produced the double nuclear platinacycles 3a, 3b, and 4, probably via formation of the 2a and 2b intermediates. Complex 3a with the K+ cation in a sandwich coordination was slightly mixed with 3b lacking any K+. Alternatively, reaction of 1 with K2[PtCl4] or with PtCl2(DMSO)2 followed by the diphosphane Ph2PC( CH2)PPh2 (vdpp) only gave the dinuclear phosphane-bridged compound 4; this highlights the importance of choosing the right diphosphane ligand. Density functional theory calculations (B3LYP-D3/LANL2DZ-ECP-6.311++G**) revealed similar affinities for both dppm and vdpp derivatives to coordinate potassium cations. Crystal structure analysis wasperformed for compounds 3a and 4.American Chemical SocietyUniversidade de Santiago de Compostela. Departamento de Química Inorgánica20222022-01-0120222022-01-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/10347/39353reponame:Minerva. Repositorio Institucional de la Universidad de Santiago de Compostelainstname:Universidad de Santiago de Compostela (USC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2© 2022 The Authors. Published by American Chemical Societyhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:minerva.usc.gal:10347/393532026-06-15T12:47:27Z
dc.title.none.fl_str_mv Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cations
title Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cations
spellingShingle Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cations
Lucio-Martínez, Fátima
Platino
Éteres corona
Cationes de potasio
2303 Química inorgánica
title_short Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cations
title_full Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cations
title_fullStr Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cations
title_full_unstemmed Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cations
title_sort Cyclometallated platinum(II) complexes with small crown ether rings: appropriate choice of the bridging diphosphane to coordinate potassium cations
dc.creator.none.fl_str_mv Lucio-Martínez, Fátima
Reigosa, Francisco
Bermúdez, Brais
Adams, Harry
Pereira Lorenzo, María Teresa
Vila Abad, José Manuel
author Lucio-Martínez, Fátima
author_facet Lucio-Martínez, Fátima
Reigosa, Francisco
Bermúdez, Brais
Adams, Harry
Pereira Lorenzo, María Teresa
Vila Abad, José Manuel
author_role author
author2 Reigosa, Francisco
Bermúdez, Brais
Adams, Harry
Pereira Lorenzo, María Teresa
Vila Abad, José Manuel
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade de Santiago de Compostela. Departamento de Química Inorgánica
dc.subject.none.fl_str_mv Platino
Éteres corona
Cationes de potasio
2303 Química inorgánica
topic Platino
Éteres corona
Cationes de potasio
2303 Química inorgánica
description This account reports the synthesis and structural characterization of the first cyclometallated platinum(II) complex that coordinates a potassium cation in a sandwich arrangement via two 15-crown-5 ether rings within the same molecule. The cooperation of the two small crown ether moieties allows the entrapment of the non-ideal potassium ion. The reaction of the parent thiosemicarbazone ligand 3,4-(C8H16O5)C6H3C(Me) NN−(H)C( S)NHMe, 1, containing the crown ether ring, with K2[PtCl4], or alternatively with PtCl2(DMSO)2, and subsequent treatment with the diphosphanes Ph2PCH2PPh2 (dppm) and Ph2PC( CH2)PPh2 (vdpp) produced the double nuclear platinacycles 3a, 3b, and 4, probably via formation of the 2a and 2b intermediates. Complex 3a with the K+ cation in a sandwich coordination was slightly mixed with 3b lacking any K+. Alternatively, reaction of 1 with K2[PtCl4] or with PtCl2(DMSO)2 followed by the diphosphane Ph2PC( CH2)PPh2 (vdpp) only gave the dinuclear phosphane-bridged compound 4; this highlights the importance of choosing the right diphosphane ligand. Density functional theory calculations (B3LYP-D3/LANL2DZ-ECP-6.311++G**) revealed similar affinities for both dppm and vdpp derivatives to coordinate potassium cations. Crystal structure analysis wasperformed for compounds 3a and 4.
publishDate 2022
dc.date.none.fl_str_mv 2022
2022-01-01
2022
2022-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/10347/39353
url https://hdl.handle.net/10347/39353
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
© 2022 The Authors. Published by American Chemical Society
http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
© 2022 The Authors. Published by American Chemical Society
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Chemical Society
publisher.none.fl_str_mv American Chemical Society
dc.source.none.fl_str_mv reponame:Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
instname:Universidad de Santiago de Compostela (USC)
instname_str Universidad de Santiago de Compostela (USC)
reponame_str Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
collection Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869407618964914176
score 15,811543

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