Abstract: The invention relates to novel azetidine compounds of formula (I), wherein R1, R2, and X are as described in the description and their use as orexin receptor antagonists.

Abstract: The invention relates to selected 2-cyclopropyl-thiazole derivatives of the formula (I) wherein B, Y and R1 are as described in the description; to salts and especially pharmaceutically acceptable salts thereof, and to the use of such compounds use as medicaments, especially as orexin receptor antagonists.

Abstract: The invention relates to novel trans-3-aza-bicyclo[3.1.0]hexane derivatives of formula (I), wherein A, B, n and R1 are as described in the description, and to the use of such compounds, or of pharmaceutically acceptable salts of such compounds, as medicaments, especially as orexin receptor antagonists.

Abstract: The invention relates to compounds of formula (I) wherein Y, A, N and R1 are as described in the description, to salts, especially pharmaceutically acceptable salts, of such compounds and to the use of such compounds as medicaments, especially as orexin receptor antagonists.

Abstract: The invention relates to novel 1,2,3,4-tetrahydroisoquinoline derivatives and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more of those compounds and methods of treatment comprising administration of said compounds to a mammal.

Abstract: The invention relates to 3-aza-bicyclo[3.3.0]octane derivatives of the formula (I) wherein R1, R2, R3, and A are as described in the description and their use as orexin receptor antagonists.

Abstract: The invention relates to novel thiazolidine derivatives of the formula (I) wherein A and R1 are as described in the description and their use as medicaments, especially as orexin receptor antagonists.

Abstract: The invention relates to 5,6,7,8-tetrahydro-imidazo[1,5-a]pyrazine derivatives of formula (I), wherein X represents CH2 or O; R1 represents a phenyl group, which group is independently mono-, di-, or tri-substituted wherein the substituents are independently selected from the group consisting of (C1-4)alkyl, (C1-4)alkoxy, halogen, cyano, trifluoromethoxy and trifluoromethyl; R2 represents (C1-4)alkyl, (C1-4)alkoxy, (C2-4)alkenyl, halogen, cyano, hydroxymethyl, trifluoromethyl, C(O)NR5R6 or cyclopropyl; R3 represents (C1-4)alkyl, (C1-4)alkoxy-methyl or halogen; R4 represents (C1-4)alkyl; R5 represents hydrogen or (C1-4)alkyl; and R6 represents hydrogen or (C1-4)alkyl. The invention also relates to pharmaceutically acceptable salts of such compounds; and to the use of such compounds as medicaments; especially as orexin receptor antagonists.

Abstract: 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 antagoni

Abstract: The invention relates to 1,4,5,6,7,8-hexahydro-1,2,5-triaza-azulene derivatives and their use as orexin receptor antagonists.

Abstract: The invention relates to 3-aza-bicyclo[3.1.0]hexane derivatives of formula (I) wherein A, B, n, X, and R1 are as described in the description, and salts thereof, and their use as orexin receptor antagonists.

Abstract: The invention relates to novel sulfonamide compounds and their use as orexin receptor antagonists.

Abstract: The invention relates to quinoxalinone derivatives of general Formula (I) and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as orexin receptor antagonists.

Abstract: The invention relates to novel pyrazolo-tetrahydropyridines compounds and their use as orexin receptor antagonists.

Abstract: The invention relates to novel sulfonylamino-acetic acid derivatives and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of such compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as orexin receptor antagonists.

Abstract: The invention relates to novel 1-pyridin-4-yl urea derivatives and related compounds and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as neurohormonal antagonists.

Abstract: The invention relates to novel sulfonylamino-acetic acid derivatives and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of such compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as orexin receptor antagonists.

Abstract: The invention relates to novel sulfonylamino-acetic acid derivatives and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of such compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as orexin receptor antagonists.

Abstract: The invention relates to novel 1,2,3,4-tetrahydroisoquinoline derivatives and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, phannaceutical compositions containing one or more of those compounds and methods of treatment comprising administration of said compounds to a mammal.

Abstract: The invention relates to novel benzazepines and related heterocyclic derivatives (I) and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as orexin receptor antagonists.