Novel antiviral compounds of Formula (I):
wherein: A represents hydroxy;
R
1
represents aryl, heteroaryl bonded through a ring carbon atom, or heterocyclyl bonded through a ring carbon atom, C
1-6
alkyl or —C
5-9
cycloalkyl, each of which may be optionally substituted;
R
2
represents substituted phenyl, or —(CH
2
)
n
C
5-7
cycloalkyl optionally substituted on the cycloalkyl;
R
3
represents heterocyclyl or heteroaryl; optionally substituted phenyl or optionally substituted —C
1-6
alkyl;
R
4
represents hydrogen; and salts, solvates and esters thereof processes for their preparation, pharmaceutical compositions comprising them, and methods of using them in HCV treatment are provided.
提供式(I)的新型抗病毒化合物:
其中:A代表羟基;
R1代表芳基,通过环
碳原子连接的杂环芳基或通过环
碳原子连接的杂环基,C1-6烷基或—C5-9
环烷基,每个基团可以选择性地被取代;
R2代表取代的
苯基,或者在
环烷基上选择性取代的—(
CH2)nC5-7
环烷基;
R3代表杂环基或杂环芳基;可选择性取代的
苯基或可选择性取代的—C1-6烷基;
R4代表
氢;以及它们的盐、溶剂化合物和
酯类,提供它们的制备方法、包含它们的制药组合物以及使用它们治疗HCV的方法。