N-BENZENESULFONYL L-PROLINE COMPOUNDS AS BRADYKININ ANTAGONISTS

摘要

This invention provides a compound of the formula (I): <IMG> or the pharmaceutically acceptable salts thereof wherein X1 and X2 are halo; R1 and R1 are independently hydrogen or C1-4 alkyl; R3 and R4 are each hydrogen or halo; and R5 is (a) -C3-9 diazacycloalkyl optionally substituted with C5-11 azabicycloalkyl; (b) -C3-9 azacycloalkyl-NH-(C5-11 azabicycloalkyl optionally substituted with C1-4 alkyl); (c) -NH-C1-3 alkyl-C(O)-C5-11 diazabicycloalkyl; (d) -NH-C1-3 alkyl-C(O)-NH-C5-11 azabicycloalkyl, the C5-11 azabicycloalkyl being optionally substituted with C1-4 alkyl; (e) -C3-9 azacycloalkyl optionally substituted with C3-9 azacycloalkyl; or (f) -NH-C1-5 alkyl-NH-C(O)-C4-9 cycloalkyl-NH2. These compounds are useful for the treatment of medical conditions mediated by bradykinin such as inflammation, allergic rhinitis, pain, etc. This invention also provides a pharmaceutical composition comprising the above compound.