New non-oxo vanadium-(IV) and -(V) complexes
- 1 January 1992
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 8,p. 1423-1427
- https://doi.org/10.1039/dt9920001423
Abstract
Sequential addition of 1,10-phenanthroline (phen) or 2,2′-bipyridine (bipy) followed by 3,5-di-tert-butyl-catechol (H2dtbc) to oxobis(pentane-2,4-dionato)vanadium(IV) yields [V(dtbc)2L](L = phen or bipy) which can be oxidised using Ag[SbF6] to give [V(dtbc)2L][SbF6]. The new compounds have been characterised by microanalyses, IR, UV/VIS, 51V NMR spectroscopy, magnetic susceptibility measurements and electrochemical studies. The X-ray structure of [V(dtbc)2(bipy)] is reported and compared with those of [V(dtbc)2(phen)] and [V(dtbc)2(phen)][SbF6].Keywords
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