Synthesis of non-symmetric viologen-containing ditopic ligands and their Pd(ii)/Pt(ii)-directed self-assemblyElectronic supplementary information (ESI) available. See DOI: 10.1039/c7ob00161d
We present here an efficient method for the preparation of non-symmetric viologen-containing ditopic ligands, as well as the Pd( ii )/Pt( ii )-directed self-assembly of some of these into metallacyclic receptors. The designed synthetic route, that implies the sequential alkylation and the Zincke rea...
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| Main Authors | , , , , , , |
|---|---|
| Format | Journal Article |
| Language | English |
| Published |
03.05.2017
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| Online Access | Get full text |
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| Abstract | We present here an efficient method for the preparation of non-symmetric viologen-containing ditopic ligands, as well as the Pd(
ii
)/Pt(
ii
)-directed self-assembly of some of these into metallacyclic receptors. The designed synthetic route, that implies the sequential alkylation and the Zincke reaction of activated bipyridinium salts, allowed us to substantially improve the yield in the preparation of three previously reported ligands. The versatility and efficiency of the method have also been tested for the preparation of four new viologen-containing ligands with very different structural features. Furthermore, the self-assembly of the new ligands around Pd(
ii
) and Pt(
ii
) centers has been tested, yielding mononuclear rectangular-shaped metallacycles of different dimensions and electronic characteristics.
An improved method for the synthesis of non-symmetric viologen-containing ditopic ligands is presented, as well as their Pd(
ii
)/Pt(
ii
)-directed self-assembly into metallacyclic receptors. |
|---|---|
| AbstractList | We present here an efficient method for the preparation of non-symmetric viologen-containing ditopic ligands, as well as the Pd(
ii
)/Pt(
ii
)-directed self-assembly of some of these into metallacyclic receptors. The designed synthetic route, that implies the sequential alkylation and the Zincke reaction of activated bipyridinium salts, allowed us to substantially improve the yield in the preparation of three previously reported ligands. The versatility and efficiency of the method have also been tested for the preparation of four new viologen-containing ligands with very different structural features. Furthermore, the self-assembly of the new ligands around Pd(
ii
) and Pt(
ii
) centers has been tested, yielding mononuclear rectangular-shaped metallacycles of different dimensions and electronic characteristics.
An improved method for the synthesis of non-symmetric viologen-containing ditopic ligands is presented, as well as their Pd(
ii
)/Pt(
ii
)-directed self-assembly into metallacyclic receptors. |
| Author | Domarco, Olaya Neira, Iago Quintela, José M Blanco-Gómez, Arturo García, Marcos D Rama, Tamara Peinador, Carlos |
| AuthorAffiliation | Facultade de Ciencias Centro de Investigacións Científicas Avanzadas (CICA) Universidade da Coruña QUIMOLMAT Departamento de Química Fundamental |
| AuthorAffiliation_xml | – name: Centro de Investigacións Científicas Avanzadas (CICA) – name: QUIMOLMAT – name: Departamento de Química Fundamental – name: Universidade da Coruña – name: Facultade de Ciencias |
| Author_xml | – sequence: 1 givenname: Olaya surname: Domarco fullname: Domarco, Olaya – sequence: 2 givenname: Iago surname: Neira fullname: Neira, Iago – sequence: 3 givenname: Tamara surname: Rama fullname: Rama, Tamara – sequence: 4 givenname: Arturo surname: Blanco-Gómez fullname: Blanco-Gómez, Arturo – sequence: 5 givenname: Marcos D surname: García fullname: García, Marcos D – sequence: 6 givenname: Carlos surname: Peinador fullname: Peinador, Carlos – sequence: 7 givenname: José M surname: Quintela fullname: Quintela, José M |
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| References_xml | – issn: 2012 volume-title: PdII and PtII Metal-Directed Self-Assembly of Supramolecular Structures Based on N-Monoalkyl-4,4′-Bipyridinium Derivatives end-page: 351 publication-title: Molecular Self-Assembly: Advances and Applications doi: Peinador Blanco García Quintela – issn: 1998 publication-title: The Viologens: Physicochemical Properties, Synthesis, and Applications of the Salts of 4,4′-bipyridine doi: Monk – issn: 2007 publication-title: Electrochromism and Electrochromic Devices doi: Monk Mortimer Rosseinsky |
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ii
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| Title | Synthesis of non-symmetric viologen-containing ditopic ligands and their Pd(ii)/Pt(ii)-directed self-assemblyElectronic supplementary information (ESI) available. See DOI: 10.1039/c7ob00161d |
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