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Sung, Simon, Tinnermann, Hendrik, Krämer, Tobias and Young, Rowan D. (2019) Direct oxide transfer from an η2-keto ligand to generate a cobalt PCcarbeneP(O) pincer complex. Dalton Transactions, 48 (27). pp. 9920-9924. ISSN 1477-9226
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Abstract
We report the direct carbonyl cleavage in a κ3-P′,(η2-C,O),P′′ ligand by a monomeric cobalt centre through metal–ligand cooperativity. C–O cleavage leads to the formation of a PCcarbeneP(O) pincer ligand with a central alkylidene anchor. A DFT analysis, supported by kinetic studies, suggests that decoordination of a pincer phosphino arm to generate a kinetically accessible free phosphine may be critical in transfer of the oxide to a phosphorus position. Thus, oxide transfer to bisphosphino bidentate co-ligands was also found to be viable, allowing access to the previously reported PCcarbeneP pincer complex (2), where bisphosphines were used as oxide sequestering agents.
| Item Type: | Article |
|---|---|
| Keywords: | Direct oxide transfer; η2-keto; ligand; cobalt PC; Pincer Complex; |
| Academic Unit: | Faculty of Science and Engineering > Chemistry |
| Item ID: | 16199 |
| Identification Number: | 10.1039/C9DT02313E |
| Depositing User: | Tobias Kraemer |
| Date Deposited: | 29 Jun 2022 08:21 |
| Journal or Publication Title: | Dalton Transactions |
| Refereed: | Yes |
| Related URLs: | |
| URI: | https://mural.maynoothuniversity.ie/id/eprint/16199 |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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