US 11,793,817 B2
Muscarinic M1 receptor agonists
Miles Stuart Congreve, Cambridge (GB); Giles Albert Brown, Cambridge (GB); Julie Elaine Cansfield, Cambridge (GB); and Benjamin Gerald Tehan, Cambridge (GB)
Assigned to Heptares Therapeutics Limited, Cambridge (GB)
Filed by Heptares Therapeutics Limited, Cambridge (GB)
Filed on Apr. 9, 2021, as Appl. No. 17/226,523.
Application 15/436,224 is a division of application No. 14/941,328, filed on Nov. 13, 2015, granted, now 9,573,929, issued on Feb. 21, 2017.
Application 17/226,523 is a continuation of application No. 16/560,529, filed on Sep. 4, 2019, granted, now 10,973,832.
Application 16/560,529 is a continuation of application No. 15/886,249, filed on Feb. 1, 2018, granted, now 10,413,553, issued on Sep. 17, 2019.
Application 15/886,249 is a continuation of application No. 15/436,224, filed on Feb. 17, 2017, granted, now 9,907,805, issued on Mar. 6, 2018.
Application 14/941,328 is a continuation of application No. 14/358,984, granted, now 9,187,451, issued on Nov. 17, 2015, previously published as PCT/GB2012/052857, filed on Nov. 16, 2012.
Claims priority of provisional application 61/632,813, filed on Nov. 18, 2011.
Prior Publication US 2021/0353637 A1, Nov. 18, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 31/55 (2006.01); C07D 401/04 (2006.01); C07D 211/06 (2006.01); C07D 401/14 (2006.01); A61K 31/4545 (2006.01)
CPC A61K 31/55 (2013.01) [A61K 31/4545 (2013.01); C07D 211/06 (2013.01); C07D 401/04 (2013.01); C07D 401/14 (2013.01)] 12 Claims
 
1. A compound:

OG Complex Work Unit Chemistry
or a salt thereof.