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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 113 (1980), S. 1708-1722 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Theoretical and Spectroscopical Investigations of Indigo Dyes, XX. Thioindigo Dyes with Interrupted Peripheral ConjugationSome new thioindigo dyes with interrupted peripheral conjugation (10, 13, 24) were prepared by oxidative dimerisation of the corresponding α-thioketones. A comparison of the spectroscopic properties of these compounds with the spectral data of related dyes shows that the indigo chromophore is not weakened by interrupted peripheral conjugation. Some deviations from the expected spectroscopic behaviour are due to steric peculiarities of these compounds.
    Notes: Einige neue Thioindigo-Farbstoffe mit unterbrochener peripherer Konjugation (10, 13, 24) wurden durch oxidative Dimerisierung aus den entsprechenden α-Thioketonen dargestellt. Ein Vergleich der spektroskopischen Eigenschaften mit den Daten verwandter Farbstoffe zeigt, daß der Indigochromophor durch eine periphere Konjugationsunterbrechung nicht abgeschwächt wird. Einige Abweichungen vom erwarteten spektroskopischen Verhalten sind auf die jeweiligen sterischen Gegebenheiten zurückzuführen.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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