[1-(3,5-Difluoro-4-hydroxyphenyl)-1H-pyrrol-3-yl]phenylmethanone (6) was synthesized as a putative bioisostere of the known aldose reductase (AR) inhibitor (3-benzoylpyrrol-1-yl)acetic acid (I). It was found that 6 is approximately 5 times more potent as an in vitro inhibitor of AR than I, with an IC(50) value in the submicromolar range. Furthermore, 6 showed considerable activity in an in vitro experimental glycation model of diabetes mellitus. Our results support the notion that 6 might become a useful lead structure.

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http://dx.doi.org/10.1021/jm031060tDOI Listing

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