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Design and synthesis of eugenol derivatives, as potent 15-lipoxygenase inhibitors.

Sadeghian H, Seyedi SM, Saberi MR, Arghiani Z, Riazi M

Department of Chemistry, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad 91775-1436, Iran.

A group of 4-allyl-2-methoxyphenol (eugenol) esters were designed, synthesized, and evaluated as potential inhibitors of soybean 15-lipoxygenase (SLO). Compounds 4c, 4d 4f, 4p, and 4q showed the best IC(50) in SLO inhibition (IC(50)=1.7, 2.3, 2.1, 2.2, and 0.017microM, respectively). All compounds were docked into SLO active site and showed that allyl group of compounds is oriented toward the iron atom in the active site of SLO. It is assumed that lipophilic interaction of ligand-enzyme would be in charge of inhibiting the enzyme activity. The selectivity of eugenol derivatives in inhibiting 15-HLOb was also compared with 15-HLOa by molecular modeling and multiple alignment techniques.

Published 1 February 2008 in Bioorg Med Chem, 16(2): 890-901.
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