Patent number: 6596743
Abstract: The present invention is a compound of formula:
wherein R1, R2, R2′, X, A1/A2 and B are as defined in the specification.
These compounds may be used in the control or prevention of acute and/or chronic neurological disorders such as restricted brain function caused by bypass operations or transplants, poor blood supply to the brain, spinal cord injuries, head injuries, hypoxia caused by pregnancy, cardiac arrest, hypoglycaemia, Alzheimer's disease, Huntington's chorea, ALS, dementia caused by AIDS, eye injuries, retinopathy, cognitive disorders, memory deficits, schizophrenia, idiopathic parkinsonism or parkinsonism caused by medicaments as well as conditions which lead to glutamate deficiency functions, such as e.g. muscle spasms, convulsions, migraine, urinary incontinence, nicotine addiction, psychoses, opiate addiction, anxiety, vomiting, acute and chronic pain, dyskinesia and depression.
Type:
Grant
Filed:
December 10, 2001
Date of Patent:
July 22, 2003
Assignee:
Hoffmann-La Roche Inc.
Inventors:
Konrad Bleicher, Vincent Mutel, Eric Vieira, Jürgen Wichmann, Thomas Johannes Woltering