Five new pteridic acids C-G (1-5) were isolated from a culture broth of the marine-derived actinomycete Streptomyces sp. SCSGAA 0027. Their complete structures were elucidated on the basis of NMR data, modified Mosher's method and quantum chemical calculations. Furthermore, their cytotoxicity, antiviral and antimicrobial activities were also evaluated.
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| http://dx.doi.org/10.1038/ja.2017.105 | DOI Listing |
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