Metabolites from the endophytic fungus Phomopsis sp. PSU-D15

From the endophytic fungus Phomopsis sp. PSU-D15, three metabolites (1-3) were isolated together with three known compounds. Their structures were elucidated by spectroscopic methods and by comparison with the literature values. Compound 1 exhibited moderate in vitro antimycobacterial activity against Mycobacterium tuberculosis H37Ra with a MIC value of 6.25 μg/ml.