A noble nexus: a phosphino-phen ligand for tethering precious metals †

Newman, Paul D. ORCID: https://orcid.org/0000-0002-1808-1211, Platts, James A. ORCID: https://orcid.org/0000-0002-1008-6595, Alrashidi, Basheer, Pope, Simon J. A. ORCID: https://orcid.org/0000-0001-9110-9711 and Kariuki, Benson M. ORCID: https://orcid.org/0000-0002-8658-3897 2024. A noble nexus: a phosphino-phen ligand for tethering precious metals †. Dalton Transactions 53 (37) 10.1039/d4dt02130d

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Abstract

Controlled formation of mixed-metal bimetallics was achieved via two derivatised 1,10-phenanthroline ligands bearing an imino- or amino-phosphine appendage at the 5-position. Selective coordination of the phen group to the [Re(CO)3Cl] core was achieved enabling precise construction of bimetallic complexes with a second rhenium centre or with gold. The mixed Ru/Au complex was similarly obtained with the imino-phosphine but access to the heterobimetallic iridium systems required prior formation of the P-bound gold complexes subsequent to the introduction of the [Ir(Ppy)2]+ fragment. The Re/Pd, Re/Pt, Ir/Pd and Ir/Pt compounds were prepared from the combination of κ-N′′,P-Pd(Pt)Cl2 and the appropriate rhenium or iridium precursors. Spectroscopic and theoretical analyses have been employed to investigate the structural and electronic impact of the second metal.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Additional Information:	License information from Publisher: LICENSE 1: URL: https://creativecommons.org/licenses/by-nc/3.0/, Start Date: 2024-08-20
Publisher:	Royal Society of Chemistry
ISSN:	1477-9226
Date of First Compliant Deposit:	5 September 2024
Date of Acceptance:	19 August 2024
Last Modified:	07 Nov 2024 11:43
URI:	https://orca.cardiff.ac.uk/id/eprint/171829

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