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European journal of medicinal chemistry

A chrysin analog exhibited strong inhibitory activities against both PGE2 and NO production.


PMID 21719163

Abstract

A number of 8-substituted chrysin analogs have been prepared and evaluated for their inhibitory activities of cyclooxygenase-2 catalyzed prostaglandin E(2) and iNOS-mediated NO production. Analogs were prepared via Suzuki-Miyaura C-C cross coupling reaction of 8-iodo-5,7-dimethoxyflavone and alkyl/areneboronic acids as a key reaction. Among the analogs tested, 5,7-dihydroxy-8-(pyridine-4-yl)flavone (3d) showed strong biological activities against COX-2 catalyzed PGE(2) and iNOS-mediated NO production from LPS-induced RAW 264.7 cells compared to those of chrysin.

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