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https://hdl.handle.net/2440/23525
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Type: | Journal article |
Title: | Alkynyl and poly-ynyl derivatives of carbon-tricobalt clusters |
Author: | Antonova, A. Bruce, M. Humphrey, P. Gaudio, M. Nicholson, B. Scoleri, N. Skelton, B. White, A. Zaitseva, N. |
Citation: | Journal of Organometallic Chemistry, 2006; 691(22):4694-4707 |
Publisher: | Elsevier Science Sa |
Issue Date: | 2006 |
ISSN: | 0022-328X |
Statement of Responsibility: | Alla B. Antonova, Michael I. Bruce, Paul A. Humphrey, Maryka Gaudio, Brian K. Nicholson, Nancy Scoleri, Brian W. Skelton, Allan H. Whited and Natasha N. Zaitseva |
Abstract: | A series of alkynyl-tricobalt carbonyl clusters, Co3(μ3-CnR)(μ-dppm)(CO)7 [R = But, Ph, C6H4I, C6H4CCPh, SiMe3, Fc, Au(PPh3)] containing three, five or seven carbons in the chain, have been prepared by elimination of phosphine–gold(I) halides in reactions between Co3(μ3-CBr)(μ-dppm)(CO)7 and Au(CCR)(PPh3) or between Co3{μ3-CCCAu(PR3)} (μ-dppm)(CO)7 (R = Ph, tol) and ICCR′ (R′ = SiMe3, Fc). The use of poly-substituted arenes or ferrocenes has enabled preparation of the complexes 1,4-{(OC)7(μ-dppm)Co3 (μ3-CCC)}2C6H3X-5 (X = H, Br), 1,3,5-{(OC)7(μ-dppm)Co3(μ3-CCC)}3C6H3 and 1,1′-{(OC)7(μ-dppm)Co3 (μ3-CCC)}2Fc′ [Fc′ = Fe(η-C5H4-)2]. The X-ray determined molecular structures of 12 of the complexes are reported. |
Keywords: | Carbon-tricobalt cluster Alkyne Poly-yne X-ray structure Gold |
DOI: | 10.1016/j.jorganchem.2006.08.004 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/504090/description#description |
Published version: | http://dx.doi.org/10.1016/j.jorganchem.2006.08.004 |
Appears in Collections: | Aurora harvest 2 Chemistry publications |
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