(+)-BE-7585A and its derhodinosyl derivative, two cytotoxic 2-thiosugar-containing angucyclines, derived from an actinomycete Amycolatopsis sp. JS6
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(+)-BE-7585A (1) and its derhodinosyl derivative (2), two rare 2-thiosugar-containing angucyclines, together with their biosynthetic precursor sakyomicin A (3), were isolated from the culture broth of the rare actinomycete Amycolatopsis sp. JS6. Their planar s... ...