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Palladium(II) complexes of a bridging amine bis(phenolate) ligand featuring κ(2) and κ(3) coordination modes
Bidentate and tridentate coordination of a 2,4-di-tert-butyl-substituted bridging amine bis(phenolate) ligand to a palladium(II) center are observed within the same crystal structure, namely dichlorido({6,6′-[(ethane-1,2-diylbis(methylazanediyl)]bis(methylene)}bis(2,4-di-tert-butylphenol))...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
International Union of Crystallography
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6690448/ https://www.ncbi.nlm.nih.gov/pubmed/31417804 http://dx.doi.org/10.1107/S2056989019010454 |
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author | Graziano, Brendan J. Wile, Bradley M. Zeller, Matthias |
author_facet | Graziano, Brendan J. Wile, Bradley M. Zeller, Matthias |
author_sort | Graziano, Brendan J. |
collection | PubMed |
description | Bidentate and tridentate coordination of a 2,4-di-tert-butyl-substituted bridging amine bis(phenolate) ligand to a palladium(II) center are observed within the same crystal structure, namely dichlorido({6,6′-[(ethane-1,2-diylbis(methylazanediyl)]bis(methylene)}bis(2,4-di-tert-butylphenol))palladium(II) chlorido(2,4-di-tert-butyl-6-{[(2-{[(3,5-di-tert-butyl-2-hydroxyphenyl)methyl](methyl)amino}ethyl)(methyl)amino]methyl}phenolato)palladium(II) methanol 1.685-solvate 0.315-hydrate, [PdCl(2)(C(34)H(56)N(2)O(2))][PdCl(C(34)H(55)N(2)O(2))]·1.685CH(3)OH·0.315H(2)O. Both complexes exhibit a square-planar geometry, with unbound phenol moieties participating in intermolecular hydrogen bonding with co-crystallized water and methanol. The presence of both κ(2) and κ(3) coordination modes arising from the same solution suggest a dynamic process in which phenol donors may coordinate or dissociate from the metal center, and offers insight into catalyst speciation throughout Pd-mediated processes. The unit cell contains dichlorido({6,6′-[(ethane-1,2-diylbis(methylazanediyl)]bis(methylene)}bis(2,4-di-tert-butylphenol))palladium(II), {(L (2))PdCl(2)}, and chlorido(2,4-di-tert-butyl-6-{[(2-{[(3,5-di-tert-butyl-2-hydroxyphenyl)methyl](methyl)amino}ethyl)(methyl)amino]methyl}phenolato)palladium(II), {(L (2) X)PdCl}, molecules as well as fractional water and methanol solvent molecules. |
format | Online Article Text |
id | pubmed-6690448 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | International Union of Crystallography |
record_format | MEDLINE/PubMed |
spelling | pubmed-66904482019-08-15 Palladium(II) complexes of a bridging amine bis(phenolate) ligand featuring κ(2) and κ(3) coordination modes Graziano, Brendan J. Wile, Bradley M. Zeller, Matthias Acta Crystallogr E Crystallogr Commun Research Communications Bidentate and tridentate coordination of a 2,4-di-tert-butyl-substituted bridging amine bis(phenolate) ligand to a palladium(II) center are observed within the same crystal structure, namely dichlorido({6,6′-[(ethane-1,2-diylbis(methylazanediyl)]bis(methylene)}bis(2,4-di-tert-butylphenol))palladium(II) chlorido(2,4-di-tert-butyl-6-{[(2-{[(3,5-di-tert-butyl-2-hydroxyphenyl)methyl](methyl)amino}ethyl)(methyl)amino]methyl}phenolato)palladium(II) methanol 1.685-solvate 0.315-hydrate, [PdCl(2)(C(34)H(56)N(2)O(2))][PdCl(C(34)H(55)N(2)O(2))]·1.685CH(3)OH·0.315H(2)O. Both complexes exhibit a square-planar geometry, with unbound phenol moieties participating in intermolecular hydrogen bonding with co-crystallized water and methanol. The presence of both κ(2) and κ(3) coordination modes arising from the same solution suggest a dynamic process in which phenol donors may coordinate or dissociate from the metal center, and offers insight into catalyst speciation throughout Pd-mediated processes. The unit cell contains dichlorido({6,6′-[(ethane-1,2-diylbis(methylazanediyl)]bis(methylene)}bis(2,4-di-tert-butylphenol))palladium(II), {(L (2))PdCl(2)}, and chlorido(2,4-di-tert-butyl-6-{[(2-{[(3,5-di-tert-butyl-2-hydroxyphenyl)methyl](methyl)amino}ethyl)(methyl)amino]methyl}phenolato)palladium(II), {(L (2) X)PdCl}, molecules as well as fractional water and methanol solvent molecules. International Union of Crystallography 2019-07-26 /pmc/articles/PMC6690448/ /pubmed/31417804 http://dx.doi.org/10.1107/S2056989019010454 Text en © Graziano et al. 2019 http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.http://creativecommons.org/licenses/by/4.0/ |
spellingShingle | Research Communications Graziano, Brendan J. Wile, Bradley M. Zeller, Matthias Palladium(II) complexes of a bridging amine bis(phenolate) ligand featuring κ(2) and κ(3) coordination modes |
title | Palladium(II) complexes of a bridging amine bis(phenolate) ligand featuring κ(2) and κ(3) coordination modes |
title_full | Palladium(II) complexes of a bridging amine bis(phenolate) ligand featuring κ(2) and κ(3) coordination modes |
title_fullStr | Palladium(II) complexes of a bridging amine bis(phenolate) ligand featuring κ(2) and κ(3) coordination modes |
title_full_unstemmed | Palladium(II) complexes of a bridging amine bis(phenolate) ligand featuring κ(2) and κ(3) coordination modes |
title_short | Palladium(II) complexes of a bridging amine bis(phenolate) ligand featuring κ(2) and κ(3) coordination modes |
title_sort | palladium(ii) complexes of a bridging amine bis(phenolate) ligand featuring κ(2) and κ(3) coordination modes |
topic | Research Communications |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6690448/ https://www.ncbi.nlm.nih.gov/pubmed/31417804 http://dx.doi.org/10.1107/S2056989019010454 |
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