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Sierra, Michael L; Beneton, Véronique; Boullay, Anne-Bénédict; Boyer, Thierry; Brewster, Andrew G; Donche, Frédéric; Forest, Marie-Claire; Fouchet, Marie-Hélène; Gellibert, Françoise J; Grillot, Didier A; Lambert, Millard H; Laroze, Alain; Le Grumelec, Christelle; Linget, Jean Michel; Montana, Valerie G; Nguyen, Van-Loc; Nicodème, Edwige; Patel, Vipul; Penfornis, Annie; Pineau, Olivier; Pohin, Danig; Potvain, Florent; Poulain, Géraldine; Ruault, Cécile Bertho; Saunders, Michael; Toum, Jérôme; Xu, H. Eric; Xu, Robert X; Pianetti, Pascal M
Journal of medicinal chemistry, 02/2007, Volume: 50, Issue: 4Journal Article
The peroxisome proliferator activated receptors PPARα, PPARγ, and PPARδ are ligand-activated transcription factors that play a key role in lipid homeostasis. The fibrates raise circulating levels of high-density lipoprotein cholesterol and lower levels of triglycerides in part through their activity as PPARα agonists; however, the low potency and restricted selectivity of the fibrates may limit their efficacy, and it would be desirable to develop more potent and selective PPARα agonists. Modification of the selective PPARδ agonist 1 (GW501516) so as to incorporate the 2-aryl-2-methylpropionic acid group of the fibrates led to a marked shift in potency and selectivity toward PPARα agonism. Optimization of the series gave 25a, which shows EC50 = 4 nM on PPARα and at least 500-fold selectivity versus PPARδ and PPARγ. Compound 25a (GW590735) has been progressed to clinical trials for the treatment of diseases of lipid imbalance.
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