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Effect of electronegativity of donor atoms on RF values of tris(β-diketonato) complexes of cobalt(III), chromium(III) and ruthenium(III) by thin-layer chromatography on silica gel
dc.creator | Tešić, Živoslav Lj. | |
dc.creator | Janjić, Tomislav J. | |
dc.creator | Tošić, R.M. | |
dc.creator | Ćelap, M.B. | |
dc.date.accessioned | 2018-11-22T00:00:36Z | |
dc.date.available | 2018-11-22T00:00:36Z | |
dc.date.issued | 1993 | |
dc.identifier.issn | 0009-5893 | |
dc.identifier.uri | https://cherry.chem.bg.ac.rs/handle/123456789/32 | |
dc.description.abstract | The effect of the electronegativity of donor atoms on RF values obtained by TLC on silica gel was investigated with two series of complexes of the type [M(acac)3-n(phacphac)n] and [M(acac)3-n(phacphSac)n], where M is Co(III), Cr(III) or Ru(III), acac=2,4-pentandionato ion, phacphac=1,3-diphenyl-1,3-propanedionato ion and phacphSac=3-mercapto-1,3-diphenyl-prop-2-en-1-on ion (n=0-3). Development was with nine single and six two-component solvent systems. The RF values of the complexes increase by replacing one oxygen atom of a β-diketonato ligand with a less electronegative sulphur atom. A positive linear dependence between the RM values of the complexes and the numbers of acac substituted by phacphSac ligands was established. The separation mechanisms and separation factors are discussed. © 1993 Friedr. Vieweg & Sohn Verlagsgesellschaft mbH. | en |
dc.rights | restrictedAccess | |
dc.source | Chromatographia | |
dc.subject | β-diketonato complexes | en |
dc.subject | Ligand electronegativity | en |
dc.subject | Silica gel layers | en |
dc.subject | Thin-layer chromatography | en |
dc.title | Effect of electronegativity of donor atoms on RF values of tris(β-diketonato) complexes of cobalt(III), chromium(III) and ruthenium(III) by thin-layer chromatography on silica gel | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.volume | 37 | |
dc.citation.issue | 11-12 | |
dc.citation.spage | 599 | |
dc.citation.epage | 602 | |
dc.identifier.doi | 10.1007/BF02274108 | |
dc.citation.other | 37(11-12): 599-602 | |
dc.type.version | publishedVersion | en |
dc.identifier.scopus | 2-s2.0-0027739946 |