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Carboxylated, Heteroaryl-Substituted Chalcones as Inhibitors of Vascular Cell Adhesion Molecule-1 Expression for Use in Chronic Inflammatory Diseases

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journal contribution
posted on 22.03.2007, 00:00 by Charles Q. Meng, Liming Ni, Kimberly J. Worsencroft, Zhihong Ye, M. David Weingarten, Jacob E. Simpson, Jason W. Skudlarek, Elaine M. Marino, Ki-Ling Suen, Charles Kunsch, Amy Souder, Randy B. Howard, Cynthia L. Sundell, Martin A. Wasserman, James A. Sikorski
Starting from a simple chalcone template, structure−activity relationship (SAR) studies led to a series of carboxylated, heteroaryl-substituted chalcone derivatives as novel, potent inhibitors of vascular cell adhesion molecule-1 (VCAM-1) expression. Correlations between lipophilicity determined by calculated logP values and inhibitory efficacy were observed among structurally similar compounds of the series. Various substituents were found to be tolerated at several positions of the chalcone backbone as long as the compounds fell into the right range of lipophilicity. The chalcone α,β-unsaturated ketone moiety seemed to be the pharmacophore required for inhibition of VCAM-1 expression. Compound 19 showed significant antiinflammatory effects in a mouse model of allergic inflammation, indicating that this series of compounds might have therapeutic value for human asthma and other inflammatory disorders.

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