Document Report Card
Basic Information
ID: ALA1150320
Journal: Bioorg Med Chem Lett
Title: Novel ORL1-selective antagonists with oral bioavailability and brain penetrability.
Authors: Okamoto O, Kobayashi K, Kawamoto H, Ito S, Yoshizumi T, Yamamoto I, Hashimoto M, Shimizu A, Takahashi H, Ishii Y, Ozaki S, Ohta H.
Abstract: Following the discovery of 5-chloro-6-[piperazin-1-yl]-1H-benzimidazole as a novel pharmacophore for potent and selective ORL1 antagonist activity, optimization of this new lead by introduction of a methyl substitution on the piperazine ring resulted in a highly potent and selective, orally available, and brain penetrable ORL1 antagonist, 2-(tert-butylthio)-5-chloro-6-[(2R)-4-(2-hydroxyethyl)-2-methylpiperazin-1-yl]-1H-benzimidazole. Stereochemistry of the methyl substituent on the piperazine ring to control the functional activity of other opioid receptors is also described.
CiteXplore: 18448337