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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 106 (1973), S. 576-586 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Hydrogenolysis of Some 6β-Acetoxy- and 6β-Hydroxy-Steroid Δ4-OlefinsThe hydrogenolysis of the compounds 1, 4, 8, 9, and 10 with palladium as catalyst furnished a mixture of the corresponding Δ4- and Δ5-olefins. The results can be rationalized by assuming the formation of an intermediate π-allyl complex which is reduced to form the Δ4- and the Δ5-olefin. Hydrogenation of 8 with platinum in acetic acid gave the two 5β-steroids 6 and 7.
    Notes: Die Hydrogenolyse der Verbindungen 1, 4, 8, 9 und 10 über einem Palladium-Katalysator lieferte ein Gemisch der entsprechenden Δ4- und Δ5-Olefine. Die Ergebnisse können so interpretiert werden, daß intermediär ein π-Allyl-Komplex auftritt, der zum Δ4- und zum Δ5-Olefin reduziert wird. Über Platin in Eisessig ergab 8 die beiden 5β-Steroide 6 und 7.
    Type of Medium: Electronic Resource
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