Dimerisation and reactivity of HC≡CC≡CFc at ruthenium centres

Bruce, M.; Jevric, M.; Skelton, B.; White, A.

Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/69048

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Type:	Journal article
Title:	Dimerisation and reactivity of HC≡CC≡CFc at ruthenium centres
Other Titles:	Dimerisation and reactivity of HC triple bar CC triple bar CFc at ruthenium centres
Author:	Bruce, M. Jevric, M. Skelton, B. White, A.
Citation:	Journal of Organometallic Chemistry, 2011; 696(2):461-467
Publisher:	Elsevier Science Sa
Issue Date:	2011
ISSN:	0022-328X
Statement of Responsibility:	Michael I. Bruce, Martyn Jevric, Brian W. Skelton, Allan H. White
Abstract:	In contrast to the simple diynyl complexes formed in reactions between HCCCCFc and MCl(dppe)Cp; (M = Fe, Ru), an analogous reaction with RuCl(PPh 3)2Cp; in the presence of KPF6 and dbu resulted in dimerisation of the diyne at the Ru centre to afford a mixture of [Ru{η1,η2-C(CCFc)C(L)CHCCCHFc}(PPh 3)Cp]PF6 (L = dbu 1, PPh3 2). Similar reactions with RuCl(PR3)2L gave [Ru{η1, η2-C(CCFc)C(dbu)CHCCCHFc}(PR3)L]PF6 (L = Cp, R = Ph 3, m-tol 4; L = η5-C9H7, R = Ph 5). The reaction between 3 and I2, followed by crystallization of the paramagnetic product from MeOH, afforded the dicationic [Ru{C(CCFc)C(dbu) CHC(OMe)C(OMe)CHFc}(PPh3)Cp](I3)2 6. The molecular structures of 2·2CH2Cl2 and 6.S (S = 2CH2Cl2, C6H6) were determined by single-crystal XRD studies. © 2010 Elsevier B.V. All rights reserved.
Keywords:	Ferrocene Ruthenium Diyne Dimerisation Crystal structure
Rights:	Copyright © 2010 Elsevier B.V. All rights reserved.
DOI:	10.1016/j.jorganchem.2010.09.035
Published version:	http://dx.doi.org/10.1016/j.jorganchem.2010.09.035
Appears in Collections:	Aurora harvest 5 Chemistry and Physics publications

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