期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 23, 期 5, 页码 1433-1437出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2012.12.068
关键词
5-Lipoxygenase; Indole derivatives; Inhibitors; Mass spectra; Docking
资金
- CSIR, New Delhi
- DST, New Delhi
- CSIR
Based upon the structures of some known 5-LOX inhibitors, a set of five compounds carrying appropriate substituents at N-1 and C-3 of indole were synthesized and investigated for 5-LOX inhibitory activities. Fifty percent inhibitory concn (IC50) of these compounds ranges from 0.6 to 5 mu M and found to be comparable to that of clinically used 5-LOX inhibitor, zileuton. The compounds under present investigations exhibited appreciable interactions with 5-LOX as apparent from their association constants calculated from the mass spectral data. Compound 5a with a tosyl group at N-1 and pyrolidinyl-1,2-dione substituent at C-3 of indole, exhibiting IC50 0.6 mu M and stoichiometry of 1:7 in the enzyme-compound complex was identified as highly potent 5-LOX inhibitor and seems to be suitable for further investigations. (C) 2012 Elsevier Ltd. All rights reserved.
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