申请人:Pharmacia & Upjohn Company
公开号:US06248736B1
公开(公告)日:2001-06-19
The present invention provides a compound of formula I
Wherein R1 is C1-7 alkyl, optionally substituted by hydroxy or NR4R5; R2 is C1-7 alkyl substituted by hydroxy or NR4R5; R3 is H, F or C1-7 alkoxy; R4 and R5 together with N are a 5- or 6-membered heterocyclic moiety having 1-3 heteroatoms selected from the group consisting of nitrogen, oxygen and sulfur in which sulfur may be substituted by one (1) or two (2) oxygen atoms; and pharmaceutically acceptable salts thereof Compounds of formula I of the present invention are useful as antiviral agents.
本发明提供了一种式I的化合物,其中R1为C1-7烷基,可选择地通过羟基或NR4R5取代;R2为C1-7烷基,通过羟基或NR4R5取代;R3为H,F或C1-7烷氧基;R4和R5与N一起形成一个含有1-3个异原子(从氮、氧和硫组成的)的5-或6元杂环基团,其中硫可以被一个或两个氧原子取代;以及其药学上可接受的盐。本发明的式I化合物可用作抗病毒剂。