One new cyclopentapeptide, cycloaspeptide H (), featuring a serine residue, along with seven known compounds (-), was isolated from the endophytic fungus GDGJ-227. The planar structure of was elucidated by a comprehensive analysis of NMR and MS spectroscopic spectra, and the absolute configuration was determined by single-crystal X-ray diffraction (Cu Kα) analysis. Compounds and displayed antibacterial activities against and with MIC values ranging from 12.5 to 50 μg/mL.
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| http://dx.doi.org/10.1080/14786419.2022.2128346 | DOI Listing |
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