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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 110 (1977), S. 3134-3138 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Investigations in the Isochromane and Isothiochromane Series, XIX. Dimeric Isothiochromane- and Isochromane-1-carbonitrilesIsothiochromane-1-carbonitrile (1) and isochromane-1-carbonitrile (2) can be oxidized via the carbanions 3 and 4, resp., to give mixtures of racemic and meso-forms of the dimeric compounds 5A/B and 6A/B, respectively. The diastereomers are separated by fractionating crystallisation combined with preparative layer-chromatography. The structure assignment is made from spectroscopic results.
    Notes: Isothiochroman-1-carbonitril (1) und Isochroman-1-carbonitril (2) lassen sich über ihre Carbanionen 3 bzw. 4 zu Gemischen von Racem- und Mesoformen dimerer Verbindungen 5A und B bzw. 6A und B oxidieren. Durch eine Kombination von fraktionierender Kristallisation und präparativer Schichtchromatographie sind die Diastereomeren zu trennen, deren Strukturzuordnung aufgrund spektroskopischer Befunde erfolgt.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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