ArticleNatural products and bioprospecting2026
Three naphthomycin type polyketide compounds isolated from strain Streptomyces sp. HKIB0008.
Article in Natural products and bioprospecting, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Three new naphthomycin derivatives were isolated and identified from Streptomyces sp. HKIB0008, and were designated as naphthomycin R (1), naphthomycin S (2), and naphthomycin T (3). Their structures were elucidated using a combination of spectroscopic techniques, including high-resolution mass spectrometry, and NMR. The naphthoquinone core of 1 underwent carbon-carbon bond cleavage, resulting in a novel structural feature, and a corresponding Baeyer-Villiger oxidation mechanism was proposed. Compounds 2 and 3 possess a complex side chain when compared to known cystine modification on the naphthalenoid core as in the case of naphthomycins I and J. In addition, the minimum inhibitory concentration (MIC) assays for these compounds were conducted.
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