Optimization of 1,2,4-Triazolopyridines as Inhibitors of Human 11ß-Hydroxysteroid Dehydrogenase Type 1 (11ß-HSD-1).
ACS Med Chem Lett
; 5(7): 803-8, 2014 Jul 10.
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| ID: mdl-25050169
ABSTRACT
Small alkyl groups and spirocyclic-aromatic rings directly attached to the left side and right side of the 1,2,4-triazolopyridines (TZP), respectively, were found to be potent and selective inhibitors of human 11ß-hydroxysteroid dehydrogenase-type 1 (11ß-HSD-1) enzyme. 3-(1-(4-Chlorophenyl)cyclopropyl)-8-cyclopropyl-[1,2,4]triazolo[4,3-a]pyridine (9f) was identified as a potent inhibitor of the 11ß-HSD-1 enzyme with reduced Pregnane-X receptor (PXR) transactivation activity. The binding orientation of this TZP series was revealed by X-ray crystallography structure studies.
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