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European journal of medicinal chemistry

Synthesis and biological evaluations of novel apocynin analogues.


PMID 21514981

Abstract

We have designed and synthesized a series of novel apocynin analogues, and evaluated their biological activity. Compound 10, an apocynin dimer analogue, compound 12, the lipoic acid (LA) and apocynin conjugate, were the most potent in protecting cells from lipopolysaccharide (LPS)-induced cytotoxicity, had significant activity scavenging ROS induced by LPS, and greatly decreased LPS-induced P67(phox) protein expression. SAR analysis suggests that modification of apocynin can increase its activity. Our results demonstrate that arming apocynin with a powerful antioxidant such as lipoic acid is a valid strategy to design new apocynin analogues with enhanced biological activity.