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'Cobalt' in keywords Facet   section ZfN Section B:Volume 033  [X]
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1978 (3)
1Author    WolfgangA. Herrmann, Ilona SchweizerRequires cookie*
 Title    Komplexchemie reaktiver organischer Verbindungen, XXV [1] Stabilisierung von Diphenylmethylen und Diphenyldiazomethan in Carbonylcobalt-Komplexen Complex Chemistry of Reactive Organic Compounds, XXV [1] Stabilization of Diphenylmethylene and Diphenyldiazomethane in Carbonyl Cobalt Complexes  
 Abstract    Low temperature photolysis of (r/ 5 -C5H5)Co(CO)2 with diphenyldiazomethane in te-trahy drofurane yields [i -carbonyl -fi-diphenylmethylene -bis (r) 5 -cy clopentadienylcobalt) (Co-Co) and 
  Reference    Z. Naturforsch. 33b, 911—914 (1978); eingegangen am 5. Mai 1978 
  Published    1978 
  Keywords    H-Diphenylmethylene, /^-Diphenylmethylenehydrazido, Cobalt 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0911.pdf 
 Identifier    ZNB-1978-33b-0911 
 Volume    33 
2Author    Werner Buchholz, Hans-Uwe SchusterRequires cookie*
 Title    Die Verbindungen MgFe6Ge6 und LiCo6Ge6 The Compounds MgFeßGee and LiCoöGee  
 Abstract    The hexagonally crystallizing compounds MgFeeGeß and LiCoeGeß were prepared and structurally characterized by single crystal investigations. The lattice constants are a = 506.7 pm, c — 804.5 pm, c/a—1.58s for MgFe6Ge6 and a = 504.8 pm, c = 772.9 pm, c/a = 1.53i for LiCoßGee. The structures (space group P6/mmm) are closely related to the structure of LiFeeGe6 and the B35-type structure of FeGe. 
  Reference    Z. Naturforsch. 33b, 877—880 (1978); eingegangen am 26. Mai 1978 
  Published    1978 
  Keywords    Ternary Germanium Compounds, Magnesium, Iron, Lithium, Cobalt, Crystal Structure 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0877.pdf 
 Identifier    ZNB-1978-33b-0877 
 Volume    33 
3Author    WolfgangA. Herrmann, Ilona SchweizerRequires cookie*
 Title    Übergangsmetall-Methylen-Komplexe, VI [1] Zur irreversiblen -Methylen/Carbonyl-Isomerie zweikerniger Cobalt-Komplexe mit bifunktionellen Methylen-Liganden Transition Metal Methylene Complexes, VI [1] On the Irreversible //-Methylene/Carbonyl Isomerization of Binuclear Cobalt Complexes with Bifunctional Methylene Ligands  
 Abstract    Ethyl diazoacetate (2 a) and £erZ-butyl diazoacetate (2 b) are converted into the metal stabilized, doubly bridging alkoxycarbonyl carbenes upon photolysis with (r? 5 -C5H5)Co(CO)2 (1) in tetrahydrofurane at —110°C. Although the yields of //-dicarbonyl-/(-ethoxy-carbonylmethylene-bis(?7 5 -cyclopentadienylcobalt) (3 a) and the corresponding ieri-butyl derivative (3b) are low, both compounds attract considerable attention due to an un-expected and hitherto unknown irreversible carbonyl bridge opening process with concomitant //-methylene rearrangement. These isomerizations have been established by IR and 1 H NMR methods to be first order intramolecular processes. 
  Reference    Z. Naturforsch. 33b, 1128—1135 (1978); eingegangen am 6. Juli 1978 
  Published    1978 
  Keywords    /<-Alkoxycarbonylmethylene, Terminal/Bridging Carbonyl Groups, Cobalt, IR, X H NMR 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-1128.pdf 
 Identifier    ZNB-1978-33b-1128 
 Volume    33