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Pentacarbonyl(eta(2)-vinylferrocene)metal(0) complexes of Group 6 elements: synthesis and characterization
Date
2003-12-15
Author
Özkar, Saim
Kayran, C
Demir, N
Metadata
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Photolysis of hexacarbonylmetal(0) complexes of the Group 6 elements in the presence of vinylferrocene in an n-hexane solution at -15 degreesC yields pentacarbonyl (eta(2)-vinylferrocene)metal(0) complexes as the sole photo-substitution product, different from the general reaction pattern observed for the same Group 6 metal carbonyls with other olefins. M(CO)(5)(eta(2)-vinylferrocene) complexes (M = Cr, Mo, W) could be isolated from the solution and characterized by using spectroscopic techniques. The complexes were found to be not very stable and their stability increases in the order Cr < Mo < W. The relatively stable W(CO)(5)(eta(2)-vinylferrocene) could be isolated as-a pure solid and characterized by elemental analysis, MS, IR and NMR spectroscopy, while the solid samples of the less stable Cr(CO)(5)(eta(2)-vinylferrocene) and Mo(CO)(5)(eta(2)-vinylferrocene) complexes were found to be contaminated with free vinylferrocene and characterized only by using IR and NMR spectroscopy.
Subject Keywords
Physical and Theoretical Chemistry
,
Inorganic Chemistry
,
Organic Chemistry
,
Materials Chemistry
,
Biochemistry
URI
https://hdl.handle.net/11511/35520
Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
DOI
https://doi.org/10.1016/j.jorganchem.2003.08.031
Collections
Department of Chemistry, Article