期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 8, 期 4, 页码 828-834出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b918778b
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资金
- Alexander von Humboldt Foundation
- European Commission [LSHM-CT-2004-0050333]
Low molecular weight seleno-organic compounds exhibit glutathione peroxidase (GPx)-like activity; the well-known compound ebselen is being used in clinical trials as a stroke medication. Here, we describe the facile one-step synthesis of novel 5-selenized salicylic acid derivatives using selenium tetrachloride. The products were analyzed by spectroscopic studies including Se-77-NMR and some were subjected to X-ray structure determination. Several products were identified as selective inhibitors of the pro-inflammatory 5-lipoxygenase (LOX) but had little effect on the catalytic activity of 12/15-LOX, which has been implicated in the synthesis of anti-inflammatory mediators. Such isoform-specificity (specificity coefficient > 120) has not been reported before for any seleno-organic compound. In addition, synthesis products exhibited GPx-like activity, which was higher than that of ebselen for some derivatives.
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