Welcoming neighbour or inhospitable host? Selective second metal binding in 5- and 6-phospha-substituted Bpy ligands

Platts, James A. ORCID: https://orcid.org/0000-0002-1008-6595, Kariuki, Benson M. ORCID: https://orcid.org/0000-0002-8658-3897 and Newman, Paul D. ORCID: https://orcid.org/0000-0002-1808-1211 2024. Welcoming neighbour or inhospitable host? Selective second metal binding in 5- and 6-phospha-substituted Bpy ligands. Molecules 29 (5) , 1150. 10.3390/molecules29051150

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Abstract

The controlled formation of mixed-metal bimetallics was realised through use of a fac-[Re(CO)3(N,N′-bpy-P)Cl] complex bearing an exogenous 2,4,6-trioxa-1,3,5,7-tetramethyl-8-phosphaadamantane donor at the 5-position of the bpy. The introduction of gold, silver, and rhodium with appropriate secondary ligands was readily achieved from established starting materials. Restricted rotation about the C(bpy)-P bond was observed in several of the bimetallic complexes and correlated with the relative steric bulk of the second metal moiety. Related chemistry with the 6-substituted derivative proved more limited in scope with only the bimetallic Re/Au complex being isolated.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Publisher:	MDPI
ISSN:	1420-3049
Date of First Compliant Deposit:	22 March 2024
Date of Acceptance:	1 March 2024
Last Modified:	27 Mar 2024 12:30
URI:	https://orca.cardiff.ac.uk/id/eprint/167476

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