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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 113 (1980), S. 2609-2615 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Conformational Analysis, XXII. Twist-Boat Conformation of Methyl 2,3,4-Tri-O-benzoyl-β-D-xylopyranoside in the CrystalMethyl 2,3,4-tri-O-benzoyl-β-D-xylopyranoside (5) crystallizes in the monoclinic space group P21 with two molecules in the asymmetric unit. Structure analysis (R-value 0.044) reveals that in the crystal 5 is present in a twist-boat conformation 2So in which the atoms C1, C3, C4, C5 and O5, C1, C2, C4 lie in one plane. In solution, 5 shows an equilibrium of the chair conformations with a proportion of 26% of the 1C4-form.
    Notes: Methyl-2,3,4-tri-O-benzoyl-β-D-xylopyranosid (5) kristallisiert in der monoklinen Raumgruppe P21 mit 2 Molekülen in der asymmetrischen Einheit. Die Strukturanalyse (R-Wert 0.044) ergibt, daß 5 im Kristall in einer Twist-Boat-Konformation 2So vorliegt, bei der die Atome C1, C3, C4, C5 und O5, C1, C2, C4 in einer Ebene liegen. In Lösung weist 5 ein Konformerengleichgewicht der Sesselformen mit einem Anteil von 26% 1C4-Form auf.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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