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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 110 (1977), S. 2398-2400 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 109 (1976), S. 3817-3824 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reactions with Indole Derivatives, XXXThe Stereoselective and Stereospecific Total Synthesis of Geissoschizine IsomersThe exocyclic, Z-configurated double bond of 19,20-isogeissoschizine (4a) can be introduced via a stereoselective and stereospecific Claisen rearrangement. The configuration of the products is proven by correlation to natural products.
    Notes: Über eine stereoselektive und stereospezifische Claisen-Umlagerung kann die exocyclische, Z-konfigurierte Doppelbindung des 19,20-Isogeissoschizins (4a) eingeführt werden. Die Konfiguration der Produkte ließ sich durch Korrelation mit Naturstoffen beweisen.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 434 (1977), S. 201-206 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: 57Fe Mössbauer Effect of Iron-Bromine-Graphito-ligand DerivativesMössbauer measurements on FeBr2, FeBr3, and iron-bromine-graphite-ligand ntercalation compounds are described. The high-spin iron(III) bromide changes its symmetry and chemical shift upon formation of the intercalation compound depending on the bromine concentration. The effect of changing anions in the iron(II, III) bromide and chloride compounds is discussed.
    Notes: Mößbauermessungen an FeBr2, FeBr3 und Eisen-Brom-Graphit-Ligand-Einlagerungsverbindungen werden beschrieben. Das high-spin Eisen(III)-bromid ändert seine Symmetrie und die chemische Verschiebung bei der Einlagerung mit der Bromkonzentration. Der Effekt des Anionenwechsels in den Eisen(II, III)-Bromid- bzw. -Chlorid-Verbindungen wird diskutiert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 428 (1977), S. 269-276 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the System Iron-Bromide-GraphiteThe preparation of iron(II)- and iron(III)-bromide-graphite compounds are described. From the powder patterns and the iron bromide concentration it is seen that in the limiting case every other interstitial layer is occupied by FeBr3 or FeBr2. The repeat distance along the c-axis is dependend upon the conditions of preparation and lies between 12.9 and 13.3 Å.
    Notes: Die Darstellungsbedingungen der Eisen(II)- und Eisen(III)-bromid-Graphit-Verbindungen werden beschrieben. Aus den Pulverdaten und den Einlagerungskonzentrationen ergibt sich, daß im idealen Grenzfall jede zweite Graphit-Zwischenschicht mit FeBr3 bzw. FeBr2 besetzt ist. Der Identitätsabstand in der c-Achsenrichtung liegt, abhängig von den Herstellungsbedingungen, zwischen 12,9 und 13,3 Å.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
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