期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 29, 期 11, 页码 1390-1394出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2019.03.034
关键词
Lactam; Natural product; Antibacterial activity; Cytotoxicity
资金
- [15K07416]
The antibacterial and cytotoxic activity of seven racemic lactams and both enantiomers of flavipucine were evaluated. Of the compounds tested in this study, flavipucine and phenylflavipucine displayed bactericidal activity against Bacillus subtilis. These results indicate that the pyridione epoxide moiety is a pharmacophore for antibacterial activity against B. subtilis. Flavipucine showed cytotoxic activity against several cancer cells. The cytotoxic activity of flavipucine against human leukemia HL-60 cells is as strong as that of SN-38, the active metabolite of irinotecan. In contrast, the cytotoxic activity of flavipucine against nonneoplastic HEK293 cells and human normal MRC-5 cells is weaker than that of SN-38. No significant differences in the biological activity of the racemates or enantiomers of flavipucine were observed.
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