Piperidine compounds

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 513/04 (2006.01) A61K 31/4525 (2006.01) A61K 31/454 (2006.01) A61K 31/4545 (2006.01) A61P 25/00 (2006.01) C07D 401/12 (2006.01) C07D 405/12 (2006.01) C07D 417/14 (2006.01)

Patent

CA 2669060

The invention relates to piperidine compounds of formula (I) wherein X-R1 represents -N(H)-pyrimidinyl, wherein said pyrimidinyl is unsubstituted or mono-substituted wherein the substituent is selected from (C1-4)alkyl or halogen, or X-R1 represents -NH-C(O)-heterocyclyl, wherein the heterocyclyl is selected from benzofuranyl and imidazo[2,1-b]-thiazolyl, wherein said heterocyclyl is unsubstituted or independently mono-, di-, or tri-substituted wherein the substituents are independently selected from (C1-4)alkyl; A represents a phenyl- or thiazolyl-group, wherein the phenyl or thiazolyl is unsubstituted or mono-substituted with (C1-4)alkyl; B represents a phenyl-group, wherein the phenyl is unsubstituted or mono-, or di- substituted, wherein the substituents are independently selected from the group consisting of (C1-4)alkyl, (C1-4)alkoxy, trifluoromethyl, cyano and halogen; to pharmaceutically acceptable salts thereof, and to the use of such compounds use as medicaments, especially as orexin receptor antagonists.

La présente invention concerne des composés pyridines de formule (I) X R1 N A O B, dans laquelle : X-R1 représente -N(H)-pyrimidinyle, ledit pyrimidinyle étant non substitué ou mono-substitué et le substituant étant choisi parmi alkyle C1-C4 ou halogène, ou X-R1 représente -NH-C(O)-hétérocyclyle, ledit hétérocyclyle étant sélectionné parmi benzofuranyle et imidazo[2,1-b]-thiazolyle, ledit hétérocyclyle étant non substitué ou indépendamment mono-, di-, ou tri-substitué, et les substituants étant choisis indépendamment parmi alkyle C1-C4; A représente un groupe phényle ou thiazolyle, le phényle ou thiazolyle étant substitué ou mono-substitué par alkyle C1-C4; B représente un groupe phényle, le phényle étant non substitué ou mono-, ou di-substitué, les substituants étant indépendamment choisis parmi le groupe constitué d'alkyle C1-C4, alcoxy C1-C4, trifluorométhyle, cyano et halogène. L'invention concerne également les sels pharmaceutiquement acceptables des composés, et l'utilisation de tels composés comme médicaments, notamment en tant qu'antagonistes des récepteurs d'orexine.

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