Patent number: 8138177
Abstract: This invention relates to compounds of the formula (I): or pharmaceutically acceptable salts thereof, wherein: A, B, R1, R2 and R3 are each as described herein, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by CB2 receptor binding activity such as, but not limited to, inflammatory pain, nociceptive pain, neuropathic pain, fibromyalgia, chronic low back pain, visceral pain, acute cerebral ischemia, pain, chronic pain, acute pain, post herpetic neuralgia, neuropathies, neuralgia, diabetic neuropathy, HIV-related neuropathy, nerve injury, rheumatoid arthritic pain, osteoarthritic pain, back pain, cancer pain, dental pain, fibromyalgia, neuritis, sciatica, inflammation, neurodegenerative disease, cough, broncho constriction, irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), colitis, cerebrovascular ischemia, emesis such as cancer chemotherapy-induced emesis, rheumatoid arthritis, asthma, Crohn's disease, ulcerative colitis, asthma
Type:
Grant
Filed:
March 2, 2006
Date of Patent:
March 20, 2012
Assignee:
Pfizer Inc.
Inventors:
Kazuo Ando, Makoto Kawai, Tsutomu Masuda, Hirofumi Omura