4,6-DI- AND 2,4,6-TRISUBSTITUTED QUINAZOLINE DERIVATIVES USEFUL FOR TREATING VIRAL INFECTIONS
申请人:Gao Ling-Jie
公开号:US20090285782A1
公开(公告)日:2009-11-19
This invention provides quinazoline derivatives represented by the structural formula: (I); wherein: R
2
is hydrogen, NR′R″, C
1-7
alkyl, arylC
1-7
alkyl or C
3-10
cycloalkyl; R
4
is amino, C
1-7
alkyl, C
2-7
alkenyl, C
3-10
cycloalkyl, C
3-10
cycloalkenyl, aryl, heterocyclic, arylalkyl, heterocyclic-substituted C
1-7
alkyl or C
3-10
cycloalkyl-C
1-7
alkyl; R
5
is hydrogen or C
1-7
alkyl, or R
5
and R
4
together with the nitrogen atom to which they are attached form a heterocyclic ring; Y is a single bond, C
1-7
alkylene, C
2-7
alkenylene or C
2-7
alkynylene; R
6
is halogen, heteroaryl or aryl; R′ and R″ are each independently hydrogen, C
1-7
alkyl-carbonyl or C
1-7
alkyl; provided that R
4
is not phenyl substituted with morpholino when R
2
is H and R
5
is H, and provided that when NR
4
R
5
is piperazinyl, said NR
4
R
5
is either non-substituted or substituted with methyl or acetyl; a pharmaceutically acceptable addition salt, a stereoisomer, a mono- or a di-N-oxide, a solvate or a pro-drug thereof, for the treatment of viral infections.
该发明提供了由结构式(I)表示的喹唑啉衍生物;其中:R2是氢、NR′R″、C1-7烷基、芳基C1-7烷基或C3-10环烷基;R4是氨基、C1-7烷基、C2-7烯基、C3-10环烷基、C3-10环烯基、芳基、杂环、芳基烷基、杂环取代的C1-7烷基或C3-10环烷基-C1-7烷基;R5是氢或C1-7烷基,或者R5和R4与它们所连接的氮原子一起形成杂环环;Y是单键、C1-7烷基、C2-7烯基或C2-7炔基;R6是卤素、杂环芳基或芳基;R′和R″各自独立地是氢、C1-7烷基-羰基或C1-7烷基;前提是当R2为H且R5为H时,R4不是取代有吗啡啶基的苯基;当NR4R5是哌嗪基时,所述的NR4R5要么未取代,要么被甲基或乙酰基取代;其药学上可接受的加合物、立体异构体、单烯氮或双烯氮、溶剂化合物或前药,用于治疗病毒感染。