A new benzopyrans derivatives from a mangrove-derived fungus Penicillium citrinum from the South China Sea
- PMID: 26930107
- DOI: 10.1080/14786419.2015.1072712
A new benzopyrans derivatives from a mangrove-derived fungus Penicillium citrinum from the South China Sea
Abstract
One new benzopyran derivative (2R(*),4R(*))-3,4-dihydro-5-methoxy-2-methyl-2H-1-benzopyran-4-ol (1), together with five known compounds (2-6), were obtained from the EtOAc extract of the endophytic fungus Penicillium citrinum HL-5126 isolated from the mangrove Brguiera sexangula var. rhynchopetala collected in the South China Sea. Their structures were elucidated by the detailed analysis of comprehensive spectroscopic data. All compounds were evaluated for their antibacterial activities. Compound 6 exhibited potent inhibitory activity against Bacillus subtilis, Bacillus cereus and Micrococcus tetragenus with the same MIC values of 6.94 μM.
Keywords: Penicillium citrinum; antibacterial activity; benzopyran derivative; metabolites.
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