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J Med Chem. 2016 Dec 22;59(24):11171-11181. doi: 10.1021/acs.jmedchem.6b01506. Epub 2016 Dec 13.

Design and Synthesis of a New Series of 4-Heteroarylamino-1'-azaspiro[oxazole-5,3'-bicyclo[2.2.2]octanes as α7 Nicotinic Receptor Agonists. 1. Development of Pharmacophore and Early Structure-Activity Relationship.

Author information

1
Research and Development, Bristol-Myers Squibb , 5 Research Parkway, Wallingford, Connecticut 06492, United States.

Abstract

The design and synthesis of a series of quinuclidine-containing spirooxazolidines ("spiroimidates") and their utility as α7 nicotinic acetylcholine receptor partial agonists are described. Selected members of the series demonstrated excellent selectivity for α7 over the highly homologous 5-HT3A receptor. Modification of the N-spiroimidate heterocycle substituent led to (1S,2R,4S)-N-isoquinolin-3-yl)-4'H-4-azaspiro[bicyclo[2.2.2]octane-2,5'oxazol]-2'-amine (BMS-902483), a potent α7 partial agonist, which improved cognition in preclinical rodent models.

PMID:
27958732
DOI:
10.1021/acs.jmedchem.6b01506
[Indexed for MEDLINE]

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