Abstract: This application relates to quinazoline derivatives, processes for their preparation, pharmaceutical compositions, and medical uses thereof.

Abstract: This application relates to quinazoline derivatives of formula (I), pharmaceutical compositions comprising the compounds of formula (I), and the use of the compounds of formula (I) in the treatment or prevention of a viral infection, of a virus-induced disease, of cancer or of an allergy.

Abstract: The present invention provides piperazine derivatives exhibiting high affinity to the stem region (viral membrane proximal part) of influenza hemagglutinin as determined through competition binding and high virus neutralization activity while having low cytotoxity. Furthermore, the present invention relates to pharmaceutical compositions comprising said piperazine derivatives, methods of preparing said piperazine derivatives, as well as said piperazine derivatives for use in medical prevention or treatment, especially for preventing or treating influenza.

Abstract: This application relates to quinazoline derivatives of formula (I), pharmaceutical compositions comprising the compounds of formula (I), and the use of the compounds of formula (I) in the treatment or prevention of a viral infection, of a virus-induced disease, of cancer or of an allergy.

Abstract: The present invention provides piperazine derivatives exhibiting high affinity to the stem region (viral membrane proximal part) of influenza hemagglutinin as determined through competition binding and high virus neutralization activity while having low cytotoxity. Furthermore, the present invention relates to pharmaceutical compositions comprising said piperazine derivatives, methods of preparing said piperazine derivatives, as well as said piperazine derivatives for use in medical prevention or treatment, especially for preventing or treating influenza.

Abstract: Inhibitors of HCV replication of formula (I) and the salts and stereoisomers thereof, wherein each dashed line (represented by - - - - -) represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR7, —NH—SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, C3-7cycloalkyl; n is 3, 4, 5, or 6; R4 is C1-6alkyl or C3-7cycloalkyl; R5 is hydrogen, halo, C1-6alkyl, hydroxy, C1-6alkoxy, polyhaloC1-6alkyl; R6 is hydrogen, C1-6alkoxy, mono- or diC1-6alkylamino; or R5 and R6 may form a 5- or 6-membered unsaturated or partially unsaturated ring, optionally comprising one or two selected from O, N and S; R7 is hydrogen; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl; R8 is C3-7cycloalkyl optionally substituted with C1-6alkyl; C1-6alkyl optionally substituted with C3-7cycloalkyl; or —NR8aR8b; R8a and R8b are C1-6alkyl, or both may form a 5- or 6-member

Abstract: Inhibitors of HBV replication of formula (I) including stereochemically isomeric forms, and salts, hydrates, solvates thereof, wherein R1-R5, B and Z have the meaning as defined herein. The present invention also relates to processes for preparing said compounds, pharmaceutical compositions containing them and their use, alone or in combination with other HBV inhibitors, in HBV therapy.

Abstract: Inhibitors of HBV replication of formula (I) including stereochemically isomeric forms, and salts, hydrates, solvates thereof, wherein R1-R5, B and Z have the meaning as defined herein. The present invention also relates to processes for preparing said compounds, pharmaceutical compositions containing them and their use, alone or in combination with other HBV inhibitors, in HBV therapy.

Abstract: Inhibitors of HCV replication of formula (I) and the salts and stereoisomers thereof, wherein each dashed line (represented by - - - - -) represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR7, —NH—SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, C3-7cycloalkyl; n is 3, 4, 5, or 6; R4 is C1-6alkyl or C3-7cycloalkyl; R5 is hydrogen, halo, C1-6alkyl, hydroxy, C1-6alkoxy, polyhaloC1-6alkyl; R6 is hydrogen, C1-6alkoxy, mono- or diC1-6alkylamino; or R5 and R6 may form a 5- or 6-membered unsaturated or partially unsaturated ring, optionally comprising one or two selected from O, N and S; R7 is hydrogen; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl; R8 is C3-7cycloalkyl optionally substituted with C1-6alkyl; C1-6alkyl optionally substituted with C3-7cycloalkyl; or —NR8aR8b; R8a and R8b are C1-6alkyl, or both may form a 5- or 6-member

Abstract: Compounds of the formula I: including any possible stereoisomers thereof, wherein: R4 is a monophosphate, diphosphate or triphosphate ester; or R4 is R7 is optionally substituted phenyl, optionally substituted naphthyl, or optionally substituted indolyl; R8 and R8? are hydrogen, C1-C6alkyl, benzyl, or phenyl; or R8 and R8? form C3-C7cycloalkyl; R9 is C1-C10alkyl, C3-C7cycloalkyl, phenyl or phenyl-C1-C6alkyl, wherein the phenyl moiety in phenyl or phenyl-C1-C6alkyl is optionally substituted; or a pharmaceutically acceptable salt or solvate thereof; pharmaceutical formulations and the use of compounds I as HCV inhibitors.

Abstract: Compounds of the formula I: including any possible stereoisomers thereof, wherein: R4 is a monophosphate, diphosphate or triphosphate ester; or R4 is R7 is optionally substituted phenyl, optionally substituted naphthyl, or optionally substituted indolyl; R8 and R8? are hydrogen, C1-C6alkyl, benzyl, or phenyl; or R8 and R8? form C3-C7cycloalkyl; R9 is C1-C10alkyl, C3-C7cycloalkyl, phenyl or phenyl-C1-C6alkyl, wherein the phenyl moiety in phenyl or phenyl-C1-C6alkyl is optionally substituted; or a pharmaceutically acceptable salt or solvate thereof; pharmaceutical formulations and the use of compounds I as HCV inhibitors.

Abstract: Inhibitors of HCV replication of formula (I) and the salts and stereoisomers thereof, wherein each dashed line (represented by represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR7, —NH—SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, C3-7cycloalkyl; n is 3, 4, 5, or 6; R4 is C1-6alkyl or C3-7cycloalkyl; R5 is hydrogen, halo, C1-6alkyl, hydroxy, C1-6alkoxy, polyhaloC1-6alkyl; R6 is hydrogen, C1-6alkoxy, mono- or diC1-6alkylamino; or R5 and R6 may form a 5- or 6-membered unsaturated or partially unsaturated ring, optionally comprising one or two selected from O, N and S; R7 is hydrogen; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl; R8 is C3-7cycloalkyl optionally substituted with C1-6alkyl; C1-6alkyl optionally substituted with C3-7cycloalkyl; or —NR8aR8b; R8a and R8b are C1-6alkyl, or both may form a 5- or 6-membered saturate

Abstract: HIV inhibitory compounds of formula: salts and stereoisomers thereof, wherein R1 and R2 are hydrogen or optionally substituted C1-10alkyl; R3 is n is 1, 2 or 3; R3a is nitro, cyano, amino, halo, hydroxy, C1-4alkyloxy, hydroxycarbonyl, aminocarbonyl, C 1-4alkyloxycarbonyl, mono- or di(C1-4alkyl)aminocarbonyl, C1-4alkylcarbonyl, methanimidamidyl, mono- or di(C1-4alkyl)methanimidamidyl, N-hydroxy-methanimidamidyl or Het; or R3 is a monocyclic or bicyclic aromatic heterocyclic ring system, wherein one, two, three or four ring members are nitrogen, oxygen and sulfur, and wherein the remaining ring members are carbon atoms; and wherein each of said heterocyclic ring systems may optionally be substituted; X is —NR7—, —O— or —S—; pharmaceutical compositions containing these compounds, methods for preparing these compounds and compositions.

Abstract: Inhibitors of HCV replication of formula (I) and the N-oxides, salts, and stereoisomers thereof, wherein each dashed line represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1a and R1b are hydrogen, C3-7cycloalkyl, aryl, Het, C1-6alkoxy, C1-6alkyl optionally substituted with halo, C1-6alkoxy, cyano, polyhaloC1-6alkoxy, C3-7cycloalkyl, aryl, or with Het; or R1a and R1b together with the nitrogen to which they are attached form a 4 to 6 membered heterocyclic ring which may be optionally substituted; L is a direct bond, —O—, —O—C1-4alkanediyl-, —O—CO—, —O—C(?O)—NR5a— or —O—C(?O)—NR5a—C1-4alkanediyl-; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, C3-7cycloalkyl, amino, mono- or diC1-6alkylamino; R4 is aryl or a saturated, a partially unsaturated or completely unsaturated 5 or 6 membered monocyclic or 9 to 12 membered bicyclic heterocyclic ring system wherein said ring system contains one nitrogen, and opti

Abstract: HIV inhibitory compounds of formula: salts and stereoisomers thereof, wherein R1 and R2 are hydrogen or optionally substituted C1-10alkyl; R3 is n is 1, 2 or 3; R3a is nitro, cyano, amino, halo, hydroxy, C1-4alkyloxy, hydroxycarbonyl, aminocarbonyl, CI 4alkyloxycarbonyl, mono- or di(C1-4alkyl)aminocarbonyl, C1-4alkylcarbonyl, methanimidamidyl, mono- or di(C1-4alkyl)methanimidamidyl, N-hydroxy-methanimidamidyl or Het; or R3 is a monocyclic or bicyclic aromatic heterocyclic ring system, wherein one, two, three or four ring members are nitrogen, oxygen and sulfur, and wherein the remaining ring members are carbon atoms; and wherein each of said heterocyclic ring systems may optionally be substituted; X is —NR7—, —0— or —S—; pharmaceutical compositions containing these compounds, methods for preparing these compounds and compositions.

Abstract: 1-heterocyclyl-1,5-dihydro-pyrido[3,2-b]indol-2-ones of formula (I): the N-oxides, salts, stereoisomeric forms, racemic mixtures, prodrugs, esters and metabolites thereof, wherein n is 1, 2 or 3; R1 is hydrogen, cyano, halo, substituted carbonyl, methanimidamidyl, N-hydroxy-methanimidamidyl, mono- or di(C1-4alkyl)methanimidamidyl, Het1 or Het2; X is NR2, O, S, SO, SO2; R2 is hydrogen, C1-10alkyl, C2-10alkenyl, C3-7cycloalkyl, which are optionally substituted; R2 is aryl substituted with —COOR4; or R2 is: —CpH2p—CH(OR14)—CqH2q—R15 (b-3); —CH2—CH2—(O—CH2—CH2)m—OR14 (b-4); —CH2—CH2—(O—CH2—CH2)m—NR5aR5b (b-5); -a1=a2-a3=a4- is —CH?CH—CH?CH—; —N?CH—CH?CH—; —CH?N—CH?CH—; —CH?CH—N?CH—; —CH?CH—CH?N—; wherein hydrogen atoms in (c-1)-(c-5) may be replaced by certain radicals; R3 is a monocyclic or bicyclic aromatic heterocyclic ring system that can be substituted.

Abstract: Compounds of formula (I) the N-oxides, salts, stereoisomeric forms, prodrugs, esters and metabolites thereof, wherein X is NR2, O, S, SO, SO2; R1 is hydrogen, cyano, halo, a carbonyl derivative, methanimidamidyl, N-hydroxy-methanimidamidyl, mono- or di(C1-4alkyl)-methanimidamidyl, Het1 or Het2; n is 1, 2 or 3; R2 is (i) aryl substituted with a radical —COOR4; (ii) C1-10alkyl, C2-10alkenyl, C3-7cycloalkyl, substituted with aryl which is substituted with a radical —COOR4; (iii) C1-10alkyl, C2-10alkenyl, C3-7cycloalkyl, substituted with —NR5a—C(?NR5b)—NR5cR5d, —O—NR5a—C(?NR5b)—NR5cR5d, -sulfonyl-R6, —NR7R8, —NR9R10, a radical (a-1), (a-2), (a-3), (a-4), (a-5); or (iv) a radical of formula: (a-6), (b-2), —CpH2p—CH(OR14)—CqH2q—R15; —CH2—CH2—(O—CH2—CH2)m—OR14; —CH2—CH2—(O—CH2—CH2)m—NR17aR17b; R3 is nitro, cyano, amino, halo, hydroxy, C1-4alkyloxy, a carbonyl derivative, methanimidamidyl, mono- or di(C1-4alkyl)methanimidamidyl, N-hydroxy-methanimidamidyl or Het1.

Abstract: 4-substituted 1,5-dihydro-pyrido[3,2-b]indol-2-ones of formula (I): the N-oxides, salts, stereoisomeric forms, racemic mixtures, prodrugs, esters and metabolites thereof, wherein n is 1, 2 or 3; R1 is hydrogen, cyano, halo, substituted carbonyl, methanimidamidyl, N-hydroxy-methanimidamidyl, mono- or di(C1-4alkyl)methanimidamidyl, Het1 or Het2; X is NR2, O, S, SO, SO2; R2 is hydrogen, C1-10alkyl, C2-10alkenyl, C3-7cycloalkyl, which are optionally substituted; R2 is aryl substituted with —COOR4; or R2 is: —CpH2p—CH(OR14)—CqH2q—R15 (b-3); —CH2—CH2—(O—CH2—CH2)m—OR14 (b-4); —CH2—CH2—(O—CH2—CH2)m—NR5aR5b (b-5); -a1=a2-a3=a4- is —CH?CH—CH?CH—; —N?CH—CH?CH—; —CH?N—CH?CH—; —CH?CH—N?CH—; —CH?CH—CH?N—; wherein hydrogen atoms in (c-1)-(c-5) may be replaced by certain radicals; R3 is optionally substituted phenyl or a monocyclic or bicyclic aromatic heterocyclic ring system that can be substituted; R21 is halo, hydroxy, amino, carboxyl, C1-6alkyl, C3-7cycloalkyl, arylC1-6alkyl, formyl, C1-6alkylcarbonyl, C

Abstract: The present invention relates to the use of bi-cyclic pyrimidines as inhibitors of HCV replication as well as their use in pharmaceutical compositions aimed to treat or combat HCV infections. In addition, the present invention relates to processes for preparation of such pharmaceutical compositions. The present invention also concerns combinations of the present bi-cyclic pyrimidines with other anti-HCV agents.