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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 105 (1972), S. 2358-2367 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Total Synthesis of Optically Active Steroids, VIII. Preparation and Structure Investigation of Diastereomeric 4-OxasteroidsThe total synthesis of racemic 3-methyl-4-oxa-5.7.9.14-estratetraen-17-ol (8b) and 3-methyl-4-oxa-5.7.9-estratrien-17-ol (13b) is described. The n.m.r. spectra show that there is no induction of chirality from the chiral center at carbon C-3 to the newly formed center at carbon C-13 in this particular case.
    Notes: Es wird die Totalsynthese von racemischem 3-Methyl-4-oxa-östratetraen-(5.7.9.14)-ol-(17) (8b) und 3-Methyl-4-oxa-östratrien-(5.7.9)-ol-(17) (13b) beschrieben. Auf Grund der NMR-Spektren läßt sich nachweisen, daß eine Induktion der Chiralität von einem chiralen Zentrum am Kohlenstoffatom C-3 zum neu gebildeten Zentrum am Kohlenstoffatom C-13 im hier aufgezeigten Falle nicht erfolgt.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
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