[EN] OXO OR OXY-PYRIDINE COMPOUNDS AS 5-HT4 RECEPTOR MODULATORS<br/>[FR] COMPOSES OXO OU OXY-PYRIDINE UTILISES COMME MODULATEURS DU RECEPTEUR 5-HT4
申请人:PFIZER PHARMA
公开号:WO2003057688A2
公开(公告)日:2003-07-17
This invention provides compounds of the formula (I) and (II) or the phannaceutically acceptable esters thereof, and the pharmaceutically acceptable salts thereof: wherein R1 is hydrogen or halo; R?2 and R3¿ are independently hydrogen or C¿1-6? alkyl; R?4 and R5¿ are independently hydrogen or C¿1-6? alkyl; R?6¿ is hydrogen, C ¿l-12? alkyl, C 1-6 alkoxy (C1-6)alkyl or C1-12 alkyl substituted by up to 3 substituents selected from the groups consisting of C3-8 cycloalkyl, aryl, heteroaryl and heterocyclic; R?7 and R8¿ are hydrogen or taken together may form alkylene chain having one or two carbon atoms; R9 is C¿1-6? alkyl or C3-8 cycloalkyl; R?10¿ is C¿1-6? alkyl or NR?11R12¿; L is (CR11R12)n or NR11 ; M is NR?11 or (CR11R12)n ; R11 and R12¿ are independently hydrogen or C¿1-6? alkyl; n is an integer from 0 to 5; and. m is an integer from 0 to 2; said heterocyclic, aryl and heteroaryl are unsubstituted or are substituted by at least one substituent selected from the group consisting of halo and C1-6 alkyl; with the proviso that when R?9¿ is C¿1-6? alkyl, L is not NR?11¿. These compounds have 5-HT¿4? receptor binding activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans. This invention also provides a pharmaceutical composition comprising the above compound.