Abstract: The present invention is concerned with substituted bicyclic heterocyclic compounds of Formula (I) wherein Het1, Het2, A1, A2, A3 and A4 have the meaning defined in the claims. The compounds according to the present invention are useful as gamma secretase modulators. The invention further relates to processes for preparing such novel compounds, pharmaceutical compositions comprising said compounds as an active ingredient as well as the use of said compounds as a medicament.

Abstract: The invention is directed to processes of preparing phosphonate nucleosides comprising a phosphonalkoxy-substituted five-membered, saturated or unsaturated, oxygen-containing ring coupled to a heterocyclic nucleobase such as a pyrimidine or purine base.

Abstract: The invention is directed to processes of preparing phosphonate nucleosides comprising a phosphonalkoxy-substituted five-membered, saturated or unsaturated, oxygen-containing ring coupled to a heterocyclic nucleobase such as a pyrimidine or purine base.

Abstract: The present invention concerns the compounds of formula (I), the N-oxide forms, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein m represents 1, n represents 1, Z represents N or C, in particular N; —X1— represents C1-4alkyl, in particular methyl; —X2— represents —C1-4alkyl- or —C1-4alkyl-NR7—, in particular propyl, -ethyl-NR7— or -propyl-NR7—; —Y— represents —NR2—C1-6alkyl-CO—NR4—, -Het1-C1-6alkyl-CO—NR5— or -Het2-CO—NR6— and wherein the —C1-6alkyl-linker of —NR2—C1-6alkyl-CO—NR4— or -Het1-C1-6alkyl-CO—NR5— is optionally substituted with one or where possible two or more substituents selected from hydroxy, halo and phenyl; R1 represents hydrogen, chloro, fluoro or bromo; R2 represents —C1-4alkyl-, in particular ethyl or methyl; R7 represents hydrogen; R8 represents hydrogen; R4, R5 and R6 represent hydrogen; Het1 is selected from piperazinyl or piperidinyl, in particular -piperazinyl; Het2 selected from pyrrolidinyl or piperidinyl, in particular pyrrolid

Abstract: The invention is directed to processes of preparing phosphonate nucleosides comprising a phosphonalkoxy-substituted five-membered, saturated or unsaturated, oxygen-containing ring coupled to a heterocyclic nucleobase such as a pyrimidine or purine base.

Abstract: The invention is directed to phosphonate nucleosides comprising a phosphonalkoxy-substituted five-membered, saturated or unsaturated, oxygen-containing ring coupled to a heterocyclic nucleobase such as a pyrimidine or purine base, as well as pharmaceutical compositions thereof. These compounds, which can be described by general formula (II), are useful for the treatment of retroviral infection, e.g., HIV (Human Immunodeficiency Virus) infection in a mammal. The invention also features synthetic intermediates for the preparation of phosphonate nucleosides.

Abstract: The present invention is concerned with novel substituted triazole and imidazole derivatives of Formula (I) wherein R1, R2, A1, A2, A3, A4, X, and Het1 have the meaning defined in the claims. The compounds according to the present invention are useful as gamma secretase modulators. The invention further relates to processes for preparing such novel compounds, pharmaceutical compositions comprising said compounds as an active ingredient as well as the use of said compounds as a medicament.

Abstract: Disclosed herein are novel phosphonate nucleosides and thiophosphonate nucleosides comprising a phosphonalkoxy-substituted or phosphonothioalkyl-substituted five-membered, saturated or unsaturated, oxygen-containing or sulfur-containing ring coupled to a heterocyclic nucleobase such as a pyrimidine or purine base. The invention further relates to compounds having HIV (Human Immunodeficiency Virus) replication inhibiting properties and to compounds having antiviral activities with respect to other viruses. The invention also relates to methods for preparation of all such compounds and pharmaceutical compositions comprising them. The invention further relates to the use of said compounds as a medicine and in the manufacture of a medicament useful for the treatment of subjects suffering from HIV infection, as well as for treatment of other viral, retroviral or lentiviral infections and to the treatment of animals suffering from FIV, viral, retroviral or lentiviral infections.

Abstract: Disclosed herein are novel phosphonate nucleosides and thiophosphonate nucleosides comprising a phosphonalkoxy-substituted or phosphonothioalkyl-substituted five-membered, saturated or unsaturated, oxygen-containing or sulfur-containing ring coupled to a heterocyclic nucleobase such as a pyrimidine or purine base. The invention further relates to compounds having HIV (Human Immunodeficiency Virus) replication inhibiting properties and to compounds having antiviral activities with respect to other viruses. The invention also relates to methods for preparation of all such compounds and pharmaceutical compositions comprising them. The invention further relates to the use of said compounds as a medicine and in the manufacture of a medicament useful for the treatment of subjects suffering from HIV infection, as well as for treatment of other viral, retroviral or lentiviral infections and to the treatment of animals suffering from FIV, viral, retroviral or lentiviral infections.

Abstract: The present invention is concerned with substituted bicyclic heterocyclic compounds of Formula (I) wherein Het1, Het2, A1, A2, A3 and A4 have the meaning defined in the claims. The compounds according to the present invention are useful as gamma secretase modulators. The invention further relates to processes for preparing such novel compounds, pharmaceutical compositions comprising said compounds as an active ingredient as well as the use of said compounds as a medicament.

Abstract: The present invention concerns the compounds of formula (I), the N-oxide forms, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein m represents 1, n represents 1, Z represents N or C, in particular N; —X1— represents C1-4alkyl, in particular methyl; —X2— represents —C1-4alkyl- or —C1-4alkyl-NR7—, in particular propyl, -ethyl-NR7— or -propyl-NR7—; —Y— represents-NR2—C1-6alkyl-CO—NR4—, -Het1-C1-6alkyl-CO—NR5— or -Het2-CO—NR6— and wherein the —C1-6alkyl-linker of —NR2—C1-6alkyl-CO—NR4— or -Het1-C1-6alkyl-CO—NR5— is optionally substituted with one or where possible two or more substituents selected from hydroxy, halo and phenyl; R1 represents hydrogen, chloro, fluoro or bromo; R2 represents —C1-4alkyl-, in particular ethyl or methyl; R7 represents hydrogen; R8 represents hydrogen; R4, R5 and R6 represent hydrogen; Het1 is selected from piperazinyl or piperidinyl, in particular -piperazinyl; Het2 selected from pyrrolidinyl or piperidinyl, in particular pyrrolidi

Abstract: The present invention relates to novel phosponate nucleosides, more specifically to novel phosponalkoxy substituted nucleosides. The invention further relates to compounds having HIV (Human Immunodeficiency Virus) replication inhibiting properties and to compounds having antiviral activities with respect to other viruses. The invention also relates to methods for preparation of all such compounds and pharmaceutical compositions comprising them. The invention further relates to the use of said compounds as a medicine and in the manufacture of a medicament useful for the treatment of subjects suffering from HIV infection, as well as for treatment of other viral, retroviral or lentiviral infections and to the treatment of animals suffering from FIV, viral, retroviral or lentiviral infections.