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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 107 (1974), S. 1329-1333 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Alkaloids from Rhamnaceae, XXII. Amphibine-I, a new Alkaloid from Ziziphus amphibia A. Cheval.Amphibine-1 (2) and the aporphine alkaloid (—)-Nuciferine (1) have been isolated from the crude alkaloid extract of Ziziphus amphibia A. Cheval., in which previously only cyclopeptide alkaloids had been found. the structure of 2 was elucidated by spectroscopic and degradative methods as 6,7- dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline with a peptide side chain at C-1.
    Notes: Aus dem Rohbasengemisch von Ziziphus amphibia A. Cheval., in dem bisher nur Cyclopeptidalkaloide gefunden wurden, konnte das Aporphinalkaloid (—)- Nuciferin (1) und Amphibin-1) (2) isoliert werden. 2 hat die Struktur eines 6,7-Dimethoxy- 2-methyl-1,2,3,4,-tetrahydroisochinolins mit einer Peptidseitenkette an C-1, wie durch chemischen Abbau und spektroskopische Methoden bewiesen werden konnte.
    Type of Medium: Electronic Resource
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