Patent number: 8389743
Abstract: This invention is directed to a compound of formula I, wherein R1, R2, R4, R5, R6, R7, R8 and n are as defined herein, or a pharmaceutically acceptable salt thereof; a pharmaceutical composition containing a compound of formula I, a process of preparation of a compound of formula I, a method of treatment of a disorder or condition such as depression, mood disorders, schizophrenia, anxiety disorders, Alzheimer's disease, attention-deficit hyperactivity disorder (ADHD), psychotic disorders, cognitive disorders, sleep disorders, obesity, dizziness, epilepsy, motion sickness, respiratory diseases, allergy, allergy-induced airway responses, allergic rhinitis, nasal congestion, allergic congestion, congestion, hypotension, cardiovascular disease, diseases of the GI tract, hyper and hypo motility and acidic secretion of the gastro-intestinal tract that may be treated by antagonizing histamine H3 receptors, the method comprising administering to a mammal in need of such treatment a compound of formula I as descri
Type:
Grant
Filed:
March 9, 2012
Date of Patent:
March 5, 2013
Assignee:
Pfizer Inc.
Inventors:
Travis T. Wager, Ramalakshmi Yegna Chandrasekaran, Todd William Butler