Abstract: The invention relates to the essentially pure ?/-[({2-[4-(2-Ethyl-4,6-dimethyl-1H-imidazo[4,5-c]pyridin-1-yl)phenyl]ethyl}amino)carbonyl]-4-methylbenzenesulfonamide Polymorph Forms A and B and to processes for the preparation of, compositions containing and to the uses of, such crystal forms.
Type:
Grant
Filed:
March 1, 2006
Date of Patent:
June 14, 2011
Assignee:
Requalia Pharma Inc.
Inventors:
Naoaki Haruta, Tomoki Kato, Zheng Jane Li, Toyoharu Numata, Andrew Vincent Trask
Abstract: This invention provides a compound of the formula (I): wherein X represents a carbon atom or the like: Y represents imino, or the like: R1 represents an alkyl group having from 1 to 6 carbon atoms or the like: R2 and R3 independently represents a hydrogen atom or the like. These compounds are useful for the treatment of disease conditions mediated by prostaglandin such as pain, or the like in mammalian. This invention also provides a pharmaceutical composition comprising the above compound.