Identification of a Novel Benzoxazolone Derivative as a Selective, Orally Active 18 kDa Translocator Protein (TSPO) Ligand

Journal of Medicinal Chemistry
2013.0

Abstract

Optimization of the pharmacokinetic properties for a series of benzoxazolone derivatives led to the identification of 9b, which showed anxiolytic effect in a rat model. However, 9b, like known benzodiazepines, induced motor impairment. Investigation into the cause of this unexpected side effect and management of 9b off-target binding affinity led to the identification of 10d, which showed oral anxiolytic effect in the rat model with improved safety profile.

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