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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 114 (1981), S. 227-231 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Naturally Occuring Terpene Derivatives, 3061) Synthesis of a Furan Sesquiterpene from Eumorphia prostataStarting with 5-methyl-2-cyclohexen-1-one (1) through the intermediate 4 the cyclopentene carbaldyhydes 5 und 6 were synthesized. Wittig reaction led to the epimeric nitriles 7 und 8, which after conversion to the aldehydes 9 and 10 on reaction with β-furyllithium afforded the carbinols 11 and 12. Manganese dioxide oxidation yielded the ketones 13 and 14, their spectral data being in agreement with those of the natural compounds.
    Notes: Ausgehend von 5-Methyl-2-cyclohexen-1-on (1) werden über das Zwischenprodukt 4 die Cyclopentancarbaldehyde 5 und 6 synthetisiert. Wittig-Reaktion führt zu den epimeren Nitrilen 7 und 8, die nach Überführung in die Aldehyde 9 und 10 durch Reaktion mit β-Furyllithium die Carbinole 11 und 12 liefern. Mangandioxid-Oxidation gibt die Ketone 13 und 14, deren spektroskopischen Daten mit denen der Naturstoffe übereinstimmen.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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