Isolation and identification of FR198248, a hydroxylated 1,3-dihydroisobenzofuran, from Aspergillus flavipes as an inhibitor of peptide deformylase
- PMID: 20139618
- DOI: 10.1271/bbb.90565
Isolation and identification of FR198248, a hydroxylated 1,3-dihydroisobenzofuran, from Aspergillus flavipes as an inhibitor of peptide deformylase
Abstract
Two highly hydroxylated 1,3-dihydroisobenzofurans, FR198248 (1) and FR202306 (2), were isolated as peptide deformylase (PDF) inhibitors from Aspergillus flavipes. Compounds 1 and 2 inhibited Staphylococus aureus PDF with IC(50) values of 3.6 and 2.5 microM, respectively, and also showed antibacterial activity with an MIC value of 25 microg/ml. In contrast, 6-O-methyl derivative 3 of compound 2 was inactive against both PDF and S. aureus.
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