Heterobimetallic Pt(II) Complexes Supported by 1,8-Naphthyridine Ligands Confirm the Rotation of C6F5 Groups about the Pt−C Bond

Pérez-Bitrián, Alberto; Rueda, Ángel J.; Munárriz, Carmen; Martín, Antonio; Casas, José M.

doi:10.1002/zaac.202500150

Heterobimetallic Pt(II) Complexes Supported by 1,8-Naphthyridine Ligands Confirm the Rotation of C6F5 Groups about the Pt−C Bond

Pérez-Bitrián, Alberto ; Munárriz, Carmen (Universidad de Zaragoza) ; Rueda, Ángel J. ; Martín, Antonio ; Casas, José M. (Universidad de Zaragoza)

Resumen: The ligand 1,8-naphthyridine (napy) exhibits a rich coordination chemistry arising from the disposition of its two nitrogen atoms. In this work, the mononuclear platinum complex cis-[Pt(C6F5)2(napy)2] was synthesized and used to prepare other platinum complexes such as cis-[Pt(C6F5)Cl(napy)2]. More importantly, its suitability as precursor for the synthesis of other heterobimetallic donor–acceptor complexes of the type Pt → M (M = Ag, Cu) was explored. This way, complexes cis-[Pt(C6F5)2(μ-napy)2Ag(OClO3)] and cis-[Pt(C6F5)2(μ-napy)2Cu(NCMe)][PF6] were prepared, in which two napy ligands bridge both metal atoms. In the rare Pt → Cu donor–acceptor complex, the MeCN ligand was easily substituted by a chlorido ligand, resulting in cis-[Pt(C6F5)2(μ-napy)2CuCl] and [{Pt(C6F5)2(μ-napy)2Cu}2(μ-Cl)][PF6], depending on the stoichiometry. In all cases, the free rotation of the C6F5 ligands about the Pt−C bonds in solution at room temperature can be stopped at low temperature.
Idioma: Inglés
DOI: 10.1002/zaac.202500150
Año: 2025
Publicado en: ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE e202500150 (2025), [10 pp.]
ISSN: 0044-2313
Financiación: info:eu-repo/grantAgreement/ES/DGA/E17-23R
Financiación: info:eu-repo/grantAgreement/ES/MECD/FPU15-03940
Financiación: info:eu-repo/grantAgreement/ES/MICIU/PID2021-122869NB-I00
Tipo y forma: Article (Published version)
Área (Departamento): Área Química Inorgánica (Dpto. Química Inorgánica)
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Exportado de SIDERAL (2025-11-21-14:26:51)

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Heterobimetallic Pt(II) Complexes Supported by 1,8-Naphthyridine Ligands Confirm the Rotation of C6F5 Groups about the Pt−C Bond