申请人:Hoffmann-La Roche Inc.
公开号:US05705492A1
公开(公告)日:1998-01-06
Pyrimidine nucleoside derivatives of formula ##STR1## wherein R.sup.1 represents aryl, R.sup.2 represents lower alkyl, R.sup.3 represents an acyl group derived from an amino acid and R.sup.4 represents hydrogen or fluorine and the asterisk denotes that the configuration at the carbon atom indicated thereby is (S) or (R), are disclosed. These compounds, as well as their salts, are useful as antiviral agents.
本发明公开了式为##STR1##的嘧啶核苷衍生物,其中R.sup.1代表芳基,R.sup.2代表较低烷基,R.sup.3代表来源于氨基酸的酰基基团,R.sup.4代表氢或氟,星号表示所示碳原子的构型为(S)或(R)。这些化合物及其盐作为抗病毒剂具有用途。