期刊
RSC ADVANCES
卷 7, 期 53, 页码 33580-33590出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra05774a
关键词
-
资金
- National High Technology and Science 973 program [2015CB755906]
- NSFC [81630089, 41376127]
Bioassay in association with the NMR/MS spectroscopic data guided fractionation of the solid fermentation of a deep sea derived fungus Eutypella sp. MCCC 3A00281, resulted in the isolation of 13 new thiodiketopiperazine-type alkaloids, namely eutypellazines A-M (1-13). Their structures were elucidated on the basis of extensive spectroscopic data analysis, including the ECD data, modified Mosher's method, and the Cu-Ka X-ray single-crystal diffraction experiments for the determination of the absolute configurations. An anti-HIV bioassay indicated that compounds 1-12 exhibited inhibitory effects against pNL4.3. Env-.Luc co-transfected 293T cells (HIV-1 model cells) with low cytotoxicity, of which eutypellazine E exerted the highest activity. A preliminary structure-activity relationship was discussed. In addition, eutypellazine J (10) and epicoccin A showed reactivating effects toward latent HIV-1 in J-Lat A2 cells.
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