Journal
JOURNAL OF NATURAL PRODUCTS
Volume 83, Issue 5, Pages 1716-1720Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jnatprod.0c00024
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Funding
- Natural Science Foundation of the Jiangsu Higher Education Institutions [14KJB150009]
- University Natural Science Research Project of Anhui Province [KJ2019ZD80]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX18-2131, 2019XKT398]
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A 3,4-dihydroisocoumarin derivative fused with dihydrothiophene, talarolactone A (1), and two known compounds, terreusinone (2) and 4,6-dihydroxy-5-methylphthalide (3), were isolated from Talaromyces sp. associated with Xanthoparmelia angustiphylla. The structure of 1 was deduced from extensive spectroscopic data, electronic circular dichroism calculations, and X-ray diffraction analyses. A plausible biosynthetic pathway of 1 was further proposed. Compound 1 showed selective antimigratory activity in a wound-healing assay without appreciable cytotoxic activity.
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