期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 10, 期 16, 页码 3288-3299出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ob07088j
关键词
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资金
- National Natural Science Foundation of China [90713038, 21072231, 30873157]
- National Major Science and Technology Project of China (Innovation and Development of New Drugs) [2008ZX09401-001, 2009ZX09501-003]
Inspired by the therapeutic potential of the simplified caged xanthones, we have developed a chemical strategy for synthesizing novel aza-caged Garcinia analogues through a regioselective Claisen/Diels-Alder cascade reaction. The origin of regioselectivity has been explained using the DFT method. We have further evaluated the cell proliferation and IKK beta inhibitory activities of these compounds and studied their binding mode with IKK beta by molecular docking. The results suggested that the aza-caged scaffold provides a suitable modification site and the introduction of a hydrophobic moiety leads to improvement in the cytotoxicity and IKK beta inhibitory activity. The aza-caged compound 6c exhibited an IC50 value of 2.68, 2.10, 8.02 mu M against the HepG2, A549 cells and IKK beta, respectively. Mechanism studies with 6c showed that the aza-caged compounds induce apoptosis and cell cycle S phase arrest in A549 cells.
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