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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1981 (1981), S. 603-609 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Relative Configuration of Chebulic AcidIn constrast to earlier conclusions chebulic acid 2 is shown to have the relative configuration 2R,3S,4R or 2S,3R,4S. This configuration is proved by synthetic and NMR-spectroscopic investigations and also by X-ray analysis.
    Notes: Entgegen früheren Aussagen besitzt die Chebulsäure 2 die relative Konfiguration 2R,3S,4R oder 2S,3R,4S. Dies wurde durch synthetische und NMR-spektroskopisch Beweise sowie durch eine Röntgenstrukturanalyse festgestellt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1973 (1973), S. 1702-1709 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Crystal and Molecular Structure of 2,2-Dimethylthietane-1,1-dioxideThe structure of 2,2-dimethylthietane-1,1-dioxide (1) has been determined by X-ray methods using least-squares refinement. The compound crystallizes rhombic, the space group being D152h-Pcab with a = 12.739, b = 9.594, c = 10.906 Å, and Z = 8. As expected the thietane ring is not planar.
    Notes: Die Struktur des 2,2-Dimethylthietan-1,1-dioxids (1) wurde röntgenographisch bestimmt und nach der Methode der kleinsten Quadrate verfeinert. Die Verbindung kristallisiert rhombisch in der Raumgruppe D152h-Pcab mit a = 12.739, b = 9.594, c = 10.906 Å und Z = 8. Der Thietanring ist erwartungsgemäß nicht eben.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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