Forrest, Sebastian J. K., Pringle, Paul G., Sparkes, Hazel A. and Wass, Duncan F. ![]() ![]() |
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Abstract
The ligands 1,2-C6H4(CH2PtBu2)2 (La) and 1,2-C6H4(PtBu2)(CH2PtBu2) (Lb) displace norbornene (nbe) from [Pt(η2-nbe)3] to give [PtL(η2-nbe)] where L = La (1a) or Lb (1b); 1a is fluxional on the NMR timescale. Reaction of 1a,b with CO gives the corresponding monocarbonyls [PtL(CO)] where L = La (2a) or Lb (2b) which then react further, and reversibly, to give the dicarbonyls [PtL(CO)2] where L = La (3a) or Lb (3b). The CO interchange between 2a,b and 3a,b is compared with the only other such system (2f and 3f), which are complexes of (C2F5)2PCH2CH2P(C2F5)2 (Lf). Ethene reacts smoothly with 2a to give (4a) and H2 with 2a generates some [PtH2(La)]. Protonation of 2a gives [Pt(La)(H)(CO)][B(C6F5)4] (5a) whose crystal structure has been determined. Similarly protonation of 2b gives [Pt(Lb)(H)(CO)][B(C6F5)4] as a mixture of geometric isomers 5b–6b.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Chemistry Cardiff Catalysis Institute (CCI) |
Additional Information: | This article has a correction: Correction: Reversible CO exchange at platinum(0). An example of similar complex properties produced by ligands with very different stereoelectronic characteristics. Dalton Trans., 2014,43, 16335-16344. Dalton Trans., 2014,43, 17209-17209. https://doi.org/10.1039/C4DT90172J |
Publisher: | Royal Society of Chemistry |
ISSN: | 1477-9226 |
Related URLs: | |
Date of First Compliant Deposit: | 29 October 2018 |
Date of Acceptance: | 9 September 2014 |
Last Modified: | 06 Jun 2024 15:22 |
URI: | https://orca.cardiff.ac.uk/id/eprint/116289 |
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