New neutral and cationic cyclopentadienylcobalt complexes |
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| Affiliation: | 1. Department of Chemistry, University of Georgia, Athens, GA, United States;2. Pfizer Boulder Research and Development, Boulder, CO, United States;3. Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States |
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| Abstract: | The treatment of the aquocation [Co(η3-2-MeC3H4)(η5-C5H5)(H2O]+ with neutral and anionic ligands gives new cobalt complexes containing cations [Co(η3-2-MeC3H4)(η5-C5H5)L]n+, n = 0; L = CN, CH3COO, CF3COO and n = 1; L = P(p-MePh)3, NCEt, NCPh, CNCy, dppm and [{Co(η3-2-MeC3H4)(η5-C5H5)}2 (μ-L-L)]2+, L-L = bipy, dppm. The neutral cyano complex reacts with various electrophiles to give cationic isocyanide complexes containing the cation [Co(η3-2-MeC3H4)(η5-C5H5)(CNR)]+, which have been isolated in low yields. Chemical behaviour and structural implications of IR and 1H and 13C NMR spectra are discussed. |
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