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  • Organosilyl, Alkoxysulfinyl Phosphine Cobalt Carbonyl Complexes  (1)
  • SO2 structure in complexes  (1)
  • 1
    ISSN: 0044-2313
    Keywords: Phosphine Cobalt Carbonyl Complexes ; Alkyl, Alkoxy Cobalt Carbonyls ; Sulfur Dioxide ; Organosilyl, Alkoxysulfinyl Phosphine Cobalt Carbonyl Complexes ; Synthesis ; IR, 1H NMR Spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Sulfur Dioxide as Ligand and Synthon. IX. Reactions of Cobalt Carbonyls with Sulfur Dioxide - Synthesis and Characterization of Alkoxysulfinyl-Cobalt Carbonyl ComplexesReactions of phosphine substituted Co2(CO)8, (Ph2P-(CH2)n-PPh2: n = 1, dppm; n = 2, dppe; n = 3, dppp; n = 4, dppb), alkylcobalt carbonyls and alkoxycobalt carbonyls with sulfur dioxide have been investigated. The SO2 containing cobalt complexes are characterized by means of I.R., 1H-NMR, and mass spectra. Further on synthesis and properties of new alkoxysulfinylphosphine-cobalttricarbonyl complexes of the type ROS(O)Co(CO)3PR31 (R = Ph3Si, Me; R1 = Et, i-Pr, Ph) are described.
    Notes: Reaktionen von phosphinsubstituiertem Co2(CO)8, (Ph2P-(CH2)n-PPh2: n = 1, dppm; n = 2, dppe; n = 3, dppp; n = 4, dppb), Alkylcobaltcarbonylen sowie Alkoxycarbonyl-Cobaltcarbonylen mit Schwefeldioxid wurden untersucht. Die Charakterisierung der gebildeten SO2 enthaltenden Cobaltkomplexe erfolgte mit Hilfe der IR-, 1H-NMR- und Massenspektroskopie. Darüber hinaus werden Synthese und Eigenschaften neuer Alkoxysulfinyl-Phosphin-Cobalttricarbonyl-Komplexe des Typs ROS(O)Co(CO)3PR31 (R = Ph3Si, Me; R1 = Et, i-Pr, Ph) beschrieben.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0044-2313
    Keywords: SO2 structure in complexes ; i.r. spectra ; low temperature effects ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Sulphurdioxide as Ligand and Synthon. XI. I. R. Spectrometric Investigations on SO2 Complexes of Nickel and PalladiumI. R. spectra of several SO2-phosphane complexes of nickel and palladium have been investigated. Relationships between donor strength of the phosphane ligands, the vMS and the SO2 stretching frequencies are obvious. Ni(PCy3)2SO2 shows special effects at low temperatures. Our discussions of the spectra make it necessary and possible to give a more precise interpretation between structure of the M—SO2 fragments and the differences Δṽ of the antisymmetric and symmetric stretch of SO2.
    Notes: Die IR-Spektren von ausgewählten SO2-Phosphan-Nickel- bzw. -Palladium-Komplexen wurden aufgenommen und interpretiert. Dabei zeigen sich Zusammenhänge zwischen Donorstärke der Phosphanliganden, den vMS und den SO2-Valenzschwingungen. Für Ni(PCy3)2SO2 wurden zusätzlich Tieftemperaturspektren untersucht. Unsere Spektreninterpretationen relativieren frühere Zuordnungshilfen für Metall-SO2-Koordinationstypen, die auf den Differenzen Δṽ der antisymmetrischen und symmetrischen SO2-Valenzschwingungen beruhen.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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