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Bioorg Med Chem. 2012 Sep 15;20(18):5568-82. doi: 10.1016/j.bmc.2012.07.023. Epub 2012 Jul 23.

Design, synthesis and structure-activity relationships of novel benzoxazolone derivatives as 18 kDa translocator protein (TSPO) ligands.

Author information

1
Dainippon Sumitomo Pharma Co., Ltd, Enoki 33-94, Suita, Osaka 564-0053, Japan. takayuki-fukaya@ds-pharma.co.jp

Abstract

Selective 18 kDa translocator protein (TSPO) ligands are expected to be therapeutic agents with a wide spectrum of action on psychiatric disorders and fewer side effects. We designed novel benzoxazolone derivatives and examined the structure-activity relationship (SAR) of a series of compounds with various substituents at the amide part and C-5 position. Although a number of the synthesized compounds showed high TSPO binding affinity, these compounds had poor drug-like properties. Further optimization of pharmacokinetic properties of these compounds led to discovery of compound 74, which exhibited anxiolytic effect in the rat Vogel conflict model.

PMID:
22884355
DOI:
10.1016/j.bmc.2012.07.023
[Indexed for MEDLINE]

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