Abstract: The invention relates to a compound of formula (I) wherein R1—R4 and A1-A3 are as defined in the description and in the claims. The compound of formula (I) can be used as a medicament.

Abstract: The invention relates to a compound of formula (I) wherein R1-R4 and A1 are as defined in the description and in the claims. The compound of formula (I) can be used as a medicament.

Abstract: The invention relates to a compound of formula (I) wherein X, R1-R4 are as defined in the description and in the claims. The compound of formula (I) can be used as a medicament.

Abstract: Compounds having the general formula (I) wherein R1, R2, R3, R4, R5 and X are as described herein, compositions including the compounds and methods of using the compounds.

Abstract: Compounds having the general formula (I) wherein R1, R2, R3, R4, R5 and X are as described herein, compositions including the compounds and methods of using the compounds.

Abstract: The present invention relates to compounds of formula (I), wherein R is hydrogen or halogen, wherein R may be different if n=2 or 3; n is 1, 2 or 3; (II) is a disubstituted bicyclo[1,1,1]pentane or bicyclo[2,2,2]octane as defined below: (III) or (IV); or to a pharmaceutically active acid addition salt thereof, to a racemic mixture or to its corresponding enantiomer and/or an optical isomer and/or stereoisomer thereof. The compounds may be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica or Down syndrome.

Abstract: The invention provides new pyrimidine compounds having the general formula (I), wherein R1, R2, R3, n, and X are as described herein, compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds.

Abstract: The present invention relates to a compound of formula I, HetAr is a five or six membered heteroaryl group, selected from wherein R1 is hydrogen, halogen, lower alkyl, lower alkoxy or lower alkyl substituted by halogen, and may be the same or different, if two R1 occur; R2 is lower alkyl or a mono- or polydeutered derivative thereof, lower alkyl substituted by halogen or lower alkoxy, lower alkenyl unsubstituted or substituted by halogen, cycloalkyl or CH2-cycloalkyl unsubstituted or substituted by halogen, heterocycloalkyl or CH2-heterocycloalkyl unsubstituted or substituted by lower alkyl; R3 is halogen, lower alkyl, lower alkyl substituted by halogen, lower alkoxy substituted by halogen or S(O)2-lower alkyl; n is 1, 2 or 3; if n is >1, then R3 may be the same or different; or to a pharmaceutically active acid addition salt thereof, to a racemic mixture or to its corresponding enantiomer and/or an optical isomer and/or stereoisomer thereof.

Abstract: The present invention relates to a compound of formula I, HetAr is a five or six membered heteroaryl group, selected from wherein R1 is hydrogen, halogen, lower alkyl, lower alkoxy or lower alkyl substituted by halogen, and may be the same or different, i-f two R1 occur; R2 is lower alkyl or a mono- or polydeutered derivative thereof, lower alkyl substituted by halogen or lower alkoxy, lower alkenyl unsubstituted or substituted by halogen, cycloalkyl or CH2-cycloalkyl unsubstituted or substituted by halogen, heterocycloalkyl or CH2-heterocycloalkyl unsubstituted or substituted by lower alkyl; R3 is halogen, lower alkyl, lower alkyl substituted by halogen, lower alkoxy substituted by halogen or S(0)2-lower alkyl; n is 1, 2 or 3; if n is >1, then R3 may be the same or different; or to a pharmaceutically active acid addition salt thereof, to a racemic mixture or to its corresponding enantiomer and/or an optical isomer and/or stereoisomer thereof.

Abstract: Compounds having the general formula (I) wherein R1, R2, R3, R4, R5 and X are as described herein, compositions including the compounds and methods of using the compounds.

Abstract: The invention provides novel compounds having the general formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11 and R23 are as described herein, compositions including the compounds and methods of using the compounds.

Abstract: The invention provides novel compounds having the general formula (I) wherein R2, R3, R4, R5, R6, R7, R3, R8, R10, R11 and R23 are as described herein, compositions including the compounds and methods of using the compounds.

Abstract: The invention provides novel compounds having the general formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, A, X and R11 are as described herein, compositions including the compounds and methods of using the compounds.

Abstract: The present invention relates to a compound of formula I, 1-1 or 1-2 wherein R1 is hydrogen, lower alkyl, lower alkyl substituted by halogen, halogen, lower alkoxy, or lower alkoxy substituted by halogen; R1 may be different if n=2 or 3 n is 1, 2 or 3 Ar is a six membered heteroaryl group, selected from wherein R2 is hydrogen, lower alkyl, lower alkyl substituted by halogen, halogen or lower alkoxy; R3 is hydrogen or halogen; or to a pharmaceutically active acid addition salt thereof. The compounds may be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica or Down syndrome.

Abstract: The present invention relates to a compound of formula (I), wherein R1 is hydrogen, lower alkyl, lower alkyl substituted by halogen, halogen, lower alkoxy or lower alkoxy substituted by halogen; R may be the same or different, if n=2 or 3; n is 1, 2 or 3; m is 1, 2 or 3; Ar is a five or six membered heteroaryl group, selected from (II), (III), (IV) or (V) wherein R2 is hydrogen, lower alkyl, lower alkyl substituted by halogen, halogen or lower alkoxy; R3 is hydrogen or halogen; -( ) m-is —(CH2)m— or to pharmaceutically active acid addition salts thereof. The compounds may be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-in-farct dementia, dementia pugilistica or Down syndrome.

Abstract: The invention provides novel compounds having the general formula (I) wherein R2, R3, R4, R5, R6, R7, R8, X, A and R11 are as described herein, compositions including the compounds and methods of using the compounds.

Abstract: The invention provides novel compounds having the general formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R3, R8, R9, R10 and R11 are as described herein, compositions including the compounds and methods of using the compounds.

Abstract: The present invention relates to compounds of formula (I), wherein R is hydrogen or halogen, wherein R may be different if n=2 or 3; n is 1, 2 or 3; (II) is a disubstitued bicyclo[1,1,1]pentane or bicyclo[2,2,2]octane as defined below: (III) or (IV); or to a pharmaceutically active acid addition salt thereof, to a racemic mixture or to its corresponding enantiomer and/or an optical isomer and/or stereoisomer thereof. The compounds may be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica or Down syndrome.

Abstract: The invention provides new pyrimidine compounds having the general formula (I), wherein R1, R2, R3, n, and X are as described herein, compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds.

Abstract: The present invention relates to a compound of formula I wherein R1 is phenyl, lower alkyl, C3-6-cycloalkyl, —CH2—C3-6-cycloalkyl or bridged C4-6-cycloalkyl, substituted by one, two or three halogen atoms, or by lower alkyl or lower alkyl substituted by halogen; R2 is a five or six membered heteroaryl group, selected from wherein R6 is hydrogen, lower alkyl, halogen or lower alkoxy; and R7 is hydrogen, lower alkoxy or halogen; R3 is lower alkyl or lower alkyl substituted by hydroxy: R4 is hydrogen or lower alkyl; R5 is hydrogen or lower alkyl; n is 1 or 2; -( )n- is —CH2— or —CH2CH2— for n being 1 or 2; or to a pharmaceutically active acid addition salt thereof, to a racemic mixture or to its corresponding enantiomer and/or optical isomer and/or stereoisomer thereof The compounds may be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica or Down syndrom