申请人:Boehringer Ingelheim International GmbH
公开号:US20030187018A1
公开(公告)日:2003-10-02
Disclosed herein are compounds of formula (1):
1
wherein R
1
is hydroxy or NHSO
2
R
1A
wherein R
1A
is (C
1-8
)alkyl, (C
3-7
)cycloalkyl or {(C
1-6
)alkyl-(C
3-7
)cycloalkyl}, which are all optionally substituted from 1 to 3 times with halo, cyano, nitro, O—(C
1-6
)alkyl, amido, amino or phenyl, or R
1A
is C
6
or C
10
aryl which is optionally substituted from 1 to 3 times with halo, cyano, nitro, (C
1-6
)alkyl, O—(C
1-6
) alkyl, amido, amino or phenyl; R
2
is (C
4-6
)cycloalkyl; R
3
is t-btuyl or (C
5-6
) cycloalkyl and R
4
is (C
4-6
)cycloalkyl; or a pharmaceutically acceptable salt thereof. The compounds are useful as inhibitors of HCV NS3 protease.
本文揭示了式(1)的化合物:
其中R1是羟基或NHSO2R1A,其中R1A是(C1-8)烷基,(C3-7)环烷基或{(C1-6)烷基-(C3-7)环烷基},这些都可以选择性地用卤素,氰基,硝基,O-(C1-6)烷基,酰胺,氨基或苯基取代1至3次,或者R1A是C6或C10芳基,该芳基可以选择性地用卤素,氰基,硝基,(C1-6)烷基,O-(C1-6)烷基,酰胺,氨基或苯基取代1至3次;R2是(C4-6)环烷基;R3是叔丁基或(C5-6)环烷基,R4是(C4-6)环烷基;或其药学上可接受的盐。这些化合物可用作HCV NS3蛋白酶的抑制剂。