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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1983 (1983), S. 835-843 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Isolation, 13C NMR Spectra, and Biosynthesis of Resistomycin and Resistoflavin from Streptomyces griseoflavus B 71 (Actinomycetales)From the mycelium of Steptomyces griseoflavus B 71 (Actinomycetales) resistomycin (1), resistoflavin (2), and 2-pyrrolecarboxylic acid (3) were isolated. 13C NMR spectra of 1 and 2 were recorded and assigned using long-range C,H coupling and H/D exchange. Feeding experiments with [1-13C]- and [1,2-13C]-acetate confirm biosynthesis from a decaketide precursor 4a folded in an S-shaped loop.
    Notes: Aus dem Mycel von Streptomyces griseoflavus B 71 (Actinomycetales) konnten Resistomycin (1), Resistoflavin (2) und 2-Pyrrolcarbonsäure (3) isoliert werden. Von 1 und 2 wurden die 13C-NMR-Spektren aufgenommen und mit Hilfe weitreichender C,H-Kopplungen und H/D-Austausch interpretiert. Nach Fütterungsexperimenten mit [1-13C]- und [1,2-13C]-Acetat geht 1 aus einem S-förmig gefalteten Decaketid 4a hervor.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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