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    Org Lett. 2012 Jun 1;14(11):2822-5. doi: 10.1021/ol301043p. Epub 2012 May 16.

    Microtermolides A and B from termite-associated Streptomyces sp. and structural revision of vinylamycin.

    Carr G, Poulsen M, Klassen JL, Hou Y, Wyche TP, Bugni TS, Currie CR, Clardy J.

    Source

    Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, USA.

    Abstract

    Microtermolides A (1) and B (2) were isolated from a Streptomyces sp. strain associated with fungus-growing termites. The structures of 1 and 2 were determined by 1D- and 2D-NMR spectroscopy and high-resolution mass spectrometry. Structural elucidation of 1 led to the re-examination of the structure originally proposed for vinylamycin (3). Based on a comparison of predicted and experimental (1)H and (13)C NMR chemical shifts, we propose that vinylamycin's structure be revised from 3 to 4.

    PMID:
    22591554
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC3365539
    Free PMC Article

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