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Eur J Med Chem. 2012 Jan;47(1):351-9. doi: 10.1016/j.ejmech.2011.11.003. Epub 2011 Nov 10.

Structure based drug design, synthesis and evaluation of 4-(benzyloxy)-1-phenylbut-2-yn-1-ol derivatives as 5-lipoxygenase inhibitors.

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School of Life Sciences, University of Hyderabad, Hyderabad 500 046, India.


A group of 4-(benzyloxy)-1-phenylbut-2-yn-1-ol derivatives were designed using Site point connection method, synthesized and evaluated for their 5-Lipoxygenase (5-LOX) inhibitory activity. Hydrophobic site points in 5-LOX were considered for the study and substitutions were planned such that 4k will have strong hydrophobic group in the corresponding site point. Biological results supported the in silico prediction with compound 4k exhibiting good inhibition with IC(50) value of 8 μM against 5-LOX. The compounds 4j and 4k showed potent cytotoxic effects against various cancer cell lines (COLO-205, MDA-MB-231 and HepG2) but with no effect on normal cell line (HaCaT). The overall trend showed 4k as the most potent compound. Further studies demonstrated the protective effect of 4k in mouse Acute Lung Injury (ALI) model induced by lipopolysaccharide (LPS).

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