Abstract: Compounds of Formula (I) wherein R1, R2, R3A, R3B, Y, Z1 and Z2 are defined herein, are useful for the treatment of cytomegalovirus disease and/or infection.

Abstract: Compounds of Formula (I) wherein R1, R2, R3A, R3B, Y, Z1 and Z2 are defined herein, are useful for the treatment of cytomegalovirus disease and/or infection.

Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; represents either a single or a double bond; R2 is selected from: H, halogen, R21, OR21, SR21, COOR21, SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22 or NR22C(O)NR22 wherein R21 and each R22 is defined herein; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5, wherein R5 has the same definition as R4; M is N or CR7, wherein R7 has the same definition as R4; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; and R6 is H, alkyl, cycloalkyl, alkenyl, Het, alkyl-aryl, alkyl-Het; or R6 is wherein R7 and R8 and Q are as defined herein; Y2 is O or S; R9 is H, (C1-6 alkyl), (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl, aryl, Het, (C1-6)alkyl-aryl or (C1-6)alkyl-Het, all of which

Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein A, B, R2, R3, L, M1, M2, M3, M4, Y1, Y0, Z and Sp are as defined in claim 1, or a salt thereof, as an inhibitor of HCV NS5B polymerase.

Abstract: An isomer, enantiomer, diastereoisomer, or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; — represents either a single or a double bond; R2 is selected from: H, halogen, R21, OR21, SR21, COOR21, SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22 or NR22C(O)NR22 wherein R21 and each R22 is defined herein; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5 wherein R5 has the same definition as R4 defined above; M is N or CR7, wherein R7 has the same definition as R4 defined above; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; a salt or a derivative thereof, as an inhibitor of HCV NS5B polymerase.

Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; represents either a single or a double bond; R2 is selected from: H, halogen, R21, OR21, SR21, COOR21, SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22 or NR22C(O)NR22 wherein R21 and each R22 is defined herein; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5, wherein R5 has the same definition as R4; M is N or CR7, wherein R7 has the same definition as R4; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; and R6 is H, alkyl, cycloalkyl, alkenyl, Het, alkyl-aryl, alkyl-Het; or R6 is wherein R7 and R8 and Q are as defined herein; Y2 is O or S; R9 is H, (C1-6 alkyl), (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl, aryl, Het, (C1-6)alkyl-aryl or (C1-6)alkyl-Het, al

Abstract: The HCV NS5B polymerase, when complexed with certain inhibitors, adopts a conformation in which the finger loop region defined by amino acid residues 18 to 35 is displaced to expose a binding pocket defined generally by amino acid residues 392, 393, 395, 396, 399, 424, 425, 428, 429, 492, 493, 494, 495, 496, 500 and 503. This newly exposed binding pocket defines a novel target in the search of further chemical entities which are capable of binding to HCV NS5B and modulating, or preferably inhibiting, the polymerase activity of HCV NS5B.

Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein A, B, R2, R3, L, M1, M2, M3, M4, Y1, Y0, Z and Sp are as defined in claim 1, or a salt thereof, as an inhibitor of HCV NS5B polymerase.

Abstract: An isomer, enantiomer, diastereoisomer, or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; ----- represents either a single or a double bond; R2 is selected from: H, halogen, R21, OR21, SR21, COOR21, SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22 or NR22C(O)NR22 wherein R21 and each R22 is defined herein; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5, wherein R5 has the same definition as R4 defined above; M is N or CR7, wherein R7 has the same definition as R4 defined above; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; a salt or a derivative thereof, as an inhibitor of HCV NS5B polymerase.

Abstract: An isomer, enantiomer, diastereoisomer, or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; — represents either a single or a double bond; R2 is selected from: H, halogen, R21, OR21, SR21, COOR21, SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22 or NR22C(O)NR22 wherein R21 and each R22 is defined herein; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5 wherein R5 has the same definition as R4 defined above; M is N or CR7, wherein R7 has the same definition as R4 defined above; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; a salt or a derivative thereof, as an inhibitor of HCV NS5B polymerase.

Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; - - - - - represents either a single or a double bond; R2 is selected from: H, halogen, R21, OR21, SR21, COOR21, SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22 or NR22C(O)NR22 wherein R21 and each R22 is defined herein; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5, wherein R5 has the same definition as R4; M is N or CR7, wherein R7 has the same definition as R4; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; and R6 is H, alkyl, cycloalkyl, alkenyl, Het, alkyl-aryl, alkyl-Het; or R6 is wherein R7and R8 and Q are as defined herein; Y2is O or S; R9 is H, (C1-6 alkyl), (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl, aryl, Het, (C1-6)alkyl-aryl or (C1-6)alkyl-Het, all o

Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; represents either a single or a double bond; R2 is selected from 6 or 10-membered aryl and Het, each optionally substituted with R20; provided that Het is not a 5- or 6-membered monocyclic heterocycle having 1 or 2 nitrogen heteroatoms; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5, wherein R5 has the same definition as R4; M is N or CR7, wherein R7 has the same definition as R4; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; and R6 is H, alkyl, cycloalkyl, alkenyl, Het, alkyl-aryl, alkyl-Het; or R6 is wherein R7 and R8 and Q are as defined herein; Y2 is O or S; R9 is H, (C1-6 alkyl), (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl, aryl, Het, (C1-6)alky

Abstract: The HCV NS5B polymerase, when complexed with certain inhibitors, adopts a conformation in which the finger loop region defined by amino acid residues 18 to 35 is displaced to expose a binding pocket defined generally by amino acid residues 392, 393, 395, 396, 399, 424, 425, 428, 429, 492, 493, 494, 495, 496, 500 and 503. This newly exposed binding pocket defines a novel target in the search of further chemical entities which are capable of binding to HCV NS5B and modulating, or preferably inhibiting, the polymerase activity of HCV NS5B.

Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: 1

Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: 1

Abstract: An isomer, enantiomer, diastereoisomer, or tautomer of a compound, represented by formula I: 1