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Article

Cyclometallated Palladium(II) Complexes: An Approach to the First Dinuclear Bis(iminophosphorane)phosphane-[C,N,S] Metallacycle

by
Marcos Rúa-Sueiro
,
Paula Munín-Cruz
,
Adolfo Fernández
,
Juan M. Ortigueira
,
María Teresa Pereira
and
José M. Vila
*
Departamento de Química Inorgánica, Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain
*
Author to whom correspondence should be addressed.
Molecules 2022, 27(20), 7043; https://doi.org/10.3390/molecules27207043
Submission received: 23 September 2022 / Revised: 13 October 2022 / Accepted: 14 October 2022 / Published: 19 October 2022
(This article belongs to the Special Issue Organometallic Complexes: Fundamentals and Applications)
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Abstract

Treatment of bis(iminophosphorane)phosphane ligands 2a–2e with Li2PdCl4 gave a set of novel diphosphane-derived complexes bearing two metallacycle rings, each one enclosing a P=N double bond: the unprecedented bis(iminophosphorane)phosphane-[C,N,S] palladacycles. In the case of the ligand derived from bis(diphenylphosphino)methane, 2a, both the single and the double palladacycle complexes were obtained. Reaction of 3a with bis(diphenylphosphino)ethane did not yield the expected product with the diphosphane bonded to both palladium atoms, but rather the novel coordination compound 5. The crystal structures of 3c and 5 are described.
Keywords: cyclometallation; palladium; iminophosphoranes; NMR; crystal structure cyclometallation; palladium; iminophosphoranes; NMR; crystal structure
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MDPI and ACS Style

Rúa-Sueiro, M.; Munín-Cruz, P.; Fernández, A.; Ortigueira, J.M.; Pereira, M.T.; Vila, J.M. Cyclometallated Palladium(II) Complexes: An Approach to the First Dinuclear Bis(iminophosphorane)phosphane-[C,N,S] Metallacycle. Molecules 2022, 27, 7043. https://doi.org/10.3390/molecules27207043

AMA Style

Rúa-Sueiro M, Munín-Cruz P, Fernández A, Ortigueira JM, Pereira MT, Vila JM. Cyclometallated Palladium(II) Complexes: An Approach to the First Dinuclear Bis(iminophosphorane)phosphane-[C,N,S] Metallacycle. Molecules. 2022; 27(20):7043. https://doi.org/10.3390/molecules27207043

Chicago/Turabian Style

Rúa-Sueiro, Marcos, Paula Munín-Cruz, Adolfo Fernández, Juan M. Ortigueira, María Teresa Pereira, and José M. Vila. 2022. "Cyclometallated Palladium(II) Complexes: An Approach to the First Dinuclear Bis(iminophosphorane)phosphane-[C,N,S] Metallacycle" Molecules 27, no. 20: 7043. https://doi.org/10.3390/molecules27207043

APA Style

Rúa-Sueiro, M., Munín-Cruz, P., Fernández, A., Ortigueira, J. M., Pereira, M. T., & Vila, J. M. (2022). Cyclometallated Palladium(II) Complexes: An Approach to the First Dinuclear Bis(iminophosphorane)phosphane-[C,N,S] Metallacycle. Molecules, 27(20), 7043. https://doi.org/10.3390/molecules27207043

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