Article ID Journal Published Year Pages File Type
1255598 Chinese Chemical Letters 2012 4 Pages PDF
Abstract

A new isocoumarin, tenuissimasatin (1), was isolated from metabolites of the endophytic fungus Alternaria tenuissima (Nees & T. Nees: Fr.) Wiltshire, which was isolated from the bark of Erythrophleum fordii Oliver, together with 11 known compounds (2–12). The structure and absolute configuration of 1 was determined by means of NMR and CD analysis. Compound 3 shows selective cytotoxic activity on human colon cancer cell HCT-8 (IC50 = 1.78 μmol/L) by MTT test in vitro. Other compounds show no such activities (IC50 > 10 μmol/L).

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Physical Sciences and Engineering Chemistry Chemistry (General)
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