申请人:BOEHRINGER INGELHEIM CA LTD
公开号:WO2002004425A2
公开(公告)日:2002-01-17
A compound of formula (I) wherein: X is CH or N; Y is O or S; Z is OH, NH2, NMeR?3, NHR3; OR3¿ or 5- or 6-membered heterocycle, having 1 to 4 heteroatoms selected from O, N and S, said heterocycle being optionally substituted with from 1 to 4 substituents; A is N, COR?7 or CR5¿, wherein R5 is H, halogen, or (C¿1-6?) alkyl and R?7¿ is H or (C¿1-6? alkyl), with the proviso that X and A are not both N; R?6¿ is H, halogen, (C¿1-6? alkyl) or OR?7¿, wherein R7 is H or (C¿1-6? alkyl); R?1¿ is selected from the group consisting of 5- or 6-membered heterocycle having 1 to 4 heteroatoms selected from O, N, and S, phenyl, phenyl(C¿1-3?)alkyl, (C2-6)alkenyl, phenyl(C2-6)alkenyl, (C3-6)cycloalkyl, (C1-6)alkyl, CF3, 9- or 10-membered heterobicycle having 1 to 4 heteroatoms selected from O, N and S, wherein said heterocycle, phenyl, phenyl(C2-6)alkenyl and phenyl(C1-3)alkyl, alkenyl , cycloalkyl, (C1-6)alkyl, and heterobicycle are all optionally substituted with from 1 to 4 substituents; R?2¿ is selected from (C¿1-6?)alkyl, (C3-7)cycloalkyl, (C3-7)cycloalkyl(C1-3)alkyl, (C6-10)bicycloalkyl, adamantyl, phenyl, and pyridyl, all of which is optionally substituted with from 1 to 4 substituents; R?3¿ is selected from H, (C¿1-6?)alkyl, (C3-6)cycloalkyl, (C3-6)cycloalkyl(C1-6)alkyl, (C6-10)aryl, (C6-10)aryl(C1-6)alkyl, (C2-6)alkenyl, (C3-6)cycloalkyl(C2-6)alkenyl, (C6-10)aryl(C2-6)alkenyl, N(C1-6) alkyl}2, NHCOO(C1-6)alkyl(C6-10)aryl, NHCO(C6-10)aryl, (C1-6)alkyl-5- or 10-atom heterocycle, having 1 to 4 heteroatoms selected from O, N and S, and 5- or 10-atom heterocycle having 1 to 4 heteroatoms selected from O, N and S; wherein said alkyl, cycloalkyl, aryl, alkenyl and heterocycle are all optionally substituted with from 1 to 4 substituents; n is zero or 1; or a detectable derivative or salt thereof. The compounds of the invention may be used as inhibitors of hepatitis C virus replication. The invention further provides a method for treating or preventing hepatitis C virus infection.