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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 119 (1986), S. 1919-1930 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Pentacarbonylchromium Complexes of 1H-IsoindolesThe 1H-isoindoles 1e-k are converted into the pentacarbonylchromium complexes 4e-k by means of ligand exchange reactions with pentacarbonyl(η2-cis-cyclooctene)chromium (3). Likewise, the 2H-isoindoles (2a-d) which are able to undergo tautomerism are complexed in the 1H-form 4a-d. This reaction allows, for the first time, to isolate even unsubstituted 1H-isoindole (1a) from the equilibrium with 2H-isoindole (2a) as a stable derivative 4a. The structure 4 of the pentacarbonyl(η1-1H-isoindole)chromium complexes is elucidated from the analytical and spectroscopic data (IR, 1H and 13C NMR, MS) as confirmed by means of an X-ray structure analysis of the 3-ethoxy-1H-isoindole complex 4e.
    Notes: Die 1H-Isoindole 1e-k werden durch Ligandenaustausch mit Pentacarbonyl(η2-cis-cycloocten)chrom (3) in die Pentacarbonylchrom-Komplexe 4e-k übergeführt; tautomeriefähige 2H-Isoindol (2a-d) werden ebenfalls in der 1H-Form komplexiert (4a-d). Diese Reaktion erlaubt erstmals, auch das unsubstituierte 1H-Isoindol (1a) aus dem Gleichgewicht mit 2H-Isoindol (2a) in Form eines stabilen Derivats 4a zu isolieren. Die Struktur 4 der Pentacarbonyl(η1-1H-isoindol)chrom-Komplexe ergibt sich aus den analytischen und spektroskopischen Daten (IR, 1H- und 13C-NMR, MS) und wird durch eine Röntgenstrukturanalyse des 3-Ethoxy-1H-isoindol-Komplexes 4e bestätigt.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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