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  • Title: Heronamides D-F, polyketide macrolactams from the deep-sea-derived Streptomyces sp. SCSIO 03032.
    Author: Zhang W, Li S, Zhu Y, Chen Y, Chen Y, Zhang H, Zhang G, Tian X, Pan Y, Zhang S, Zhang W, Zhang C.
    Journal: J Nat Prod; 2014 Feb 28; 77(2):388-91. PubMed ID: 24547685.
    Abstract:
    Three new macrolactams, heronamides D-F (1-3), were isolated from the deep-sea-derived Streptomyces sp. SCSIO 03032 upon changing cultivation conditions. The planar structures of heronamides D-F (1-3) were elucidated by extensive MS and NMR spectroscopic analyses and comparisons with the closely related heronamides A-C. The relative configurations of 1-3 were deduced by detailed analysis of (3)JHH values and NOESY data. The absolute configurations of 1 and 2 were determined by chemical modifications and application of the modified Mosher's method. None of the compounds exhibited obvious antimicrobial or cytotoxic activities.
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