Shaw, Paul A., Clarkson, Guy J. and Rourke, Jonathan P.  ORCID: https://orcid.org/0000-0002-8961-1021
2017.
Oxidation of an o -tolyl phosphine complex of platinum: C-H activation and transcyclometallation.
Journal of Organometallic Chemistry
851
, pp. 115-121.
10.1016/j.jorganchem.2017.09.026
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Abstract
The oxidation of the tri(o-tolyl)phospine complex of the doubly cyloplatinated 2,6-di(4-fluorophenyl)pyridine ligand with the electrophilic oxidant iodobenzenedichloride was studied. Three products were formed in the ratio 15:15:70, and all were identified. The simple cis-dichloro platinum(IV) complex 2 (15%) remained in solution and could be purified and fully characterised. The triply cyclometallated 3 (15%), formed via the activation of a methyl group on a tolyl ring, precipitated from the reaction mixture and could not be redissolved or characterised further. Transcyclometallated 4 (70%), where one of the original cyclometallated aryl rings has exchanged for a cyclometallated phosphine ring, crystallised from the reaction mixture and was characterised crystallographically. Redissolution of 4 gave a new agostic species with the phosphine moving to a less sterically demanding position.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Chemistry |
| Publisher: | Elsevier |
| ISSN: | 0022-328X |
| Date of First Compliant Deposit: | 17 January 2019 |
| Date of Acceptance: | 16 September 2017 |
| Last Modified: | 04 Dec 2024 07:00 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/118478 |
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