4,6-DI- AND 2,4,6-TRISUBSTITUTED QUINAZOLINE DERIVATIVES AND PHARMACEUTICAL COMPOSITIONS USEFUL FOR TREATING VIRAL INFECTIONS
申请人:Gao Ling-Jie
公开号:US20100143299A1
公开(公告)日:2010-06-10
This invention provides the treatment of viral infections with a 4,6-disubstituted or 2,4,6-trisubstituted quinazoline derivative represented by the structural formula [(I)] wherein: R
2
is selected from the group consisting of hydrogen, NR′R″ and C
1-7
alkyl; —A is selected from the group consisting of a bond, O, S(O)
n
, C
1-7
alkylene, C
2-7
alkenylene and C
2-7
alkynylene; R
4
is selected from the group consisting of C
1-7
alkyl, C
2-7
alkenyl, C
3-10
cycloalkyl, C
3-10
cycloalkenyl, aryl, heterocyclic, arylalkyl, heterocyclic-substituted alkyl and cycloalkyl-alkyl; —Y is selected from the group consisting of a single bond, C
1-7
alkylene, C
2-7
alkenylene, and C
2-7
alkynylene; n is 0, 1 or 2; and R
6
is selected from the group consisting of halogen, heteroaryl and aryl; a pharmaceutically acceptable addition salt, a stereoisomer, a mono- or a di-Λ/-oxide, a solvate or a pro-drug thereof.
本发明提供了一种使用4,6-二取代或2,4,6-三取代喹唑啉衍生物的治疗病毒感染的方法,其结构式表示为[(I)],其中:R2选自氢、NR′R″和C1-7烷基的组;—A选自键、O、S(O)n、C1-7烷基、C2-7烯基和C2-7炔基的组;R4选自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、杂环取代烷基和环烷基-烷基的组;—Y选自单键、C1-7烷基、C2-7烯基和C2-7炔基的组;n为0、1或2;R6选自卤素、杂芳基和芳基的组;以及其药学上可接受的加合物盐、立体异构体、单-或双-Λ/-氧化物、溶剂化合物或前药。