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Remote control: stereoselective coordination of electron-deficient 2,2′-bipyridine ligands to Re(i) and Ir(iii) cores

Jerwood, Kimberley, Lowy, Phoebe, Deeming, Laura, Kariuki, Benson M. and Newman, Paul D. 2021. Remote control: stereoselective coordination of electron-deficient 2,2′-bipyridine ligands to Re(i) and Ir(iii) cores. Dalton Transactions 50 (45) , pp. 16459-16463. 10.1039/D1DT02928B

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Abstract

Highly diastereoselective coordination of unsymmetrical cationic 2,2′-bipyridine ligands bearing a chiral amidinium substituent to [Re(CO)3Cl] and [Ir(PhPy)2]+ cores is reported. Binding strength and stereoselectivity have been correlated with the position of the amidinium group on the bipy. The 4-, 5- and 6-substituted ligands all produce C-[Re(CO)3(LH)Cl]X selectively, while only the 4-derivative gives preferred formation of Δ-[Ir(Phpy)2(4-LH)](BF4)2.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Additional Information: This article is licensed under a Creative Commons Attribution 3.0 Unported Licence
Publisher: Royal Society of Chemistry
ISSN: 1477-9226
Date of First Compliant Deposit: 27 October 2021
Date of Acceptance: 8 October 2021
Last Modified: 31 Jan 2022 08:18
URI: https://orca.cardiff.ac.uk/id/eprint/145108

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