A new gliotoxin analogue from a marine-derived fungus Aspergillus fumigatus Fres.

A new gliotoxin analogue (1), as well as four known compounds gliotoxin (2), bisdethiobis (methylthio) gliotoxin (3), bis-N-norgliovictin (4) and didehydrobisdethiobis (methylthio) gliotoxin (5), were isolated from a culture of marine-derived fungus Aspergillus fumigatus Fres. The structure of 1 was determined on the basis of spectroscopic methods. All five compounds were evaluated for the cytotoxic effects on tsFT210 cell line by the SRB method.