Roberto Nolla-Saltiel
Organoruthenium Complexes Containing Phosphinodicarboxamide Ligands
Nolla-Saltiel, Roberto; Geer, Ana M.; Sharpe, Helen R.; Huke, Cameron D.; Taylor, Laurence J.; Linford-Wood, Thomas G.; James, Ashleigh; Allen, Jamie; Lewis, William; Blake, Alexander J.; McMaster, Jonathan; Kays, Deborah L.
Authors
Ana M. Geer
Helen R. Sharpe
Cameron D. Huke
LAURENCE TAYLOR Laurence.Taylor@nottingham.ac.uk
Teaching Associate in Organic Chemistry
Thomas G. Linford-Wood
Ashleigh James
Jamie Allen
William Lewis
Alexander J. Blake
JONATHAN MCMASTER Jonathan.McMaster@nottingham.ac.uk
Professor of Chemistry
DEBORAH KAYS DEBORAH.KAYS@NOTTINGHAM.AC.UK
Professor of Inorganic Chemistry
Abstract
Ruthenium complexes of phosphinocarboxamide ligands, and their use to form metallacycles using halide abstraction/deprotonation reactions are reported. Thus, [Ru(p-cym){PPh2C(=O)NHR}Cl2; R = iPr (1), Ph (2), p-tol (3)] and [Ru(p-cym){PPh2C(=O)N(R)C(=O)N(H)R}Cl2; R = Ph (4), p-tol (5)] were synthesized from [(p-cym)RuCl2]2 (p-cym = para-cymene) and phosphinocarboxamides or phosphinodicarboxamides, respectively. Single-crystal X-ray diffraction measurements on 1–5 reveal coordination to ruthenium through the phosphorus donor, with an intramolecular hydrogen bond between the amine-bound proton and a metal-bound chloride. Six-membered metallacycles formed by halide abstraction/deprotonation of complexes 4 and 5 afforded [Ru(p-cym){κ2-P,N-PPh2C(=O)N(R)C(=O)NR}Cl] [R = Ph (6), p-tol (7)]. These species exist as a mixture of two rotational isomers in solution, as demonstrated by NMR spectroscopy.
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 12, 2023 |
Online Publication Date | Sep 19, 2023 |
Publication Date | 2023-09 |
Deposit Date | Sep 29, 2023 |
Publicly Available Date | Oct 13, 2023 |
Journal | Inorganics |
Electronic ISSN | 2304-6740 |
Publisher | MDPI AG |
Peer Reviewed | Peer Reviewed |
Volume | 11 |
Issue | 9 |
Article Number | 372 |
DOI | https://doi.org/10.3390/inorganics11090372 |
Keywords | Phosphinocarboxamide; metallacycle; ruthenium; P ligands; coordination chemistry |
Public URL | https://nottingham-repository.worktribe.com/output/25391161 |
Publisher URL | https://www.mdpi.com/2304-6740/11/9/372 |
Additional Information | © 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
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