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https://hdl.handle.net/2440/70949
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dc.contributor.author | Bruce, M. | - |
dc.contributor.author | Burgun, A. | - |
dc.contributor.author | Gendron, F. | - |
dc.contributor.author | Grelaud, G. | - |
dc.contributor.author | Halet, J. | - |
dc.contributor.author | Skelton, B. | - |
dc.date.issued | 2011 | - |
dc.identifier.citation | Organometallics, 2011; 30(10):2861-2868 | - |
dc.identifier.issn | 0276-7333 | - |
dc.identifier.issn | 1520-6041 | - |
dc.identifier.uri | http://hdl.handle.net/2440/70949 | - |
dc.description.abstract | Chemical oxidation of Ru(C≡CPh)(PPh3)2Cp with [FeCp2]PF6 affords the binuclear cationic complexes [Cp(PPh3)2Ru{=C=CHC6H4CPh=C=} Ru(PPh3)2Cp](PF6)2 (2) and [Cp(PPh3)2Ru{C≡C(C6H4)CPh=C=} Ru(PPh3)2Cp]PF6 (3) by radical coupling at sites shown to be electron-rich by DFT studies, particularly involving the acetylide Cβ and Ph Cpara atoms and, to a lesser extent, the Cp carbon atoms. Complexes 2 and 3 are related by facile deprotonation/protonation reactions. When the 4-position of the Ph group is blocked, attack by Cβ upon the Cp group occurs to give the bis(vinylidene) [Ru{=C=C(C6H4Me-4)-η-C 5H4[Ru(PPh3)2{=C=CH(C 6H4Me-4)}(PPh3)2Cp]}](PF 6)2 (4), which can be deprotonated to give [Ru{=C=C(C 6H4Me-4)-η-C5H4[Ru(PPh 3)2{C≡C(C6H4Me-4)}(PPh 3)2Cp]}]PF6 (5). Complex 4 is rapidly oxidized during workup to form [Ru{=C=C(C6H4Me)-η-C 5H4[Ru(CO)(PPh3)2]}(PPh 3)2Cp](PF6)2 (6). Single-crystal X-ray structure determinations of the salts 2, 3, and 6 are reported. © 2011 American Chemical Society. | - |
dc.description.statementofresponsibility | Michael I. Bruce, Alexandre Burgun, Frédéric Gendron, Guillaume Grelaud, Jean-François Halet and Brian W. Skelton | - |
dc.language.iso | en | - |
dc.publisher | Amer Chemical Soc | - |
dc.rights | Copyright © 2011 American Chemical Society | - |
dc.source.uri | http://dx.doi.org/10.1021/om200213z | - |
dc.title | Oxidative dimerization of arylalkynyl-ruthenium complexes | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1021/om200213z | - |
dc.relation.grant | ARC | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Bruce, M. [0000-0002-8377-7186] | - |
Appears in Collections: | Aurora harvest 5 Chemistry and Physics publications |
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