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1983 (1)
1Author    Christoph Eischenbroich, Edgar Bilger, Reinhart MöckelRequires cookie*
 Title    Metall-7r-Komplexe von Benzolderivaten, XX [1] Über die Cokondensation des Phenanthrens mit Chromatomen - Reaktivität, Redoxverhalten, ESR-und NMR-spektroskopische Untersuchungen Metal-^-Complexes of Benzene Derivatives, XX [1] Cocondensation of Phenanthrene with Chromium Atoms - Reactivity, Redox Behavior, ESR and NMR Spectroscopic Investigation  
 Abstract    Cocondensation of chromium atoms with phenanthrene vapor affords bis(^ 1 ' 2 ' 3 ' 4 ' 10a -4a -phenanthrene)chromium (4). X H NMR spectroscopy reveals, that the diastereomers 4 (rac) and 4' (meso) are formed in a 2:1 ratio. Cyclic voltammetric studies on 4 show, that four oxidation states are accessible: 4t, 4, 4t, 4 2+ [E° = —2.235 (rev.), —0.651 (rev.), + 0.82 (irrev.) V vs. SCE]. The radical ions 4t and 4 7 are characterized by ESR spectro-scopy in fluid and rigid solutions. Prominent feature of these species is the inverse relative magnitude of the g-tensor components: gn(41") > gi(4t); gn(47) < gi(47). 
  Reference    Z. Naturforsch. 38b, 1357—1364 (1983); eingegangen am 30. Juni 1983 
  Published    1983 
  Keywords    Cocondensation, Condensed Arenes, Bis(arene)transitionmetal Complexes, ESR Spectroscopy, Cyclic Voltammetry 
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 TEI-XML for    default:Reihe_B/38/ZNB-1983-38b-1357.pdf 
 Identifier    ZNB-1983-38b-1357 
 Volume    38