申请人:——
公开号:US20030171384A1
公开(公告)日:2003-09-11
A compound of formula (I) in free or salt form, where R
1
is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R
2
is hydrogen, alkyl, hydroxyalkyl, alkylcarbonyloxyalkyl, alkoxyalkyl, alkylthioalkyl, alkenyl, cycloalkylalkyl, heterocyclylalkyl, aralkyl in which the aryl ring thereof is optionally fused to a 5-membered heterocyclic group or is optionally substituted by one or more substituents selected from alkoxy, amino, alkylamino, dialkylamino, acylamino, halogen, hydroxy, aminosulfonyl, alkylaminosulfonyl, dialkylaminosulfonyl, alkylsulfonylamino or dialkylaminosulfonylamino, R
3
is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R
4
is hydrogen or alkyl, R
5
is a quinolinyl, isoquinolinyl or oxodihydroisoquinolinyl group optionally fused to a 5-membered heterocyclic group and optionally substituted by one or more substituents selected from halogen, cyano, hydroxy, alkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, alkenyl, alkoxycarbonyl, alkynyl, carboxyl, acyl, a group of formula —N(R
6
)R
7
, aryl optionally substituted by one or more substituents selected from halogen or alkoxy, or heteroaryl having 5 or 6 ring atoms attached through a ring carbon atom to the indicated carbon atom, and R
6
and R
7
are each independently hydrogen or alkyl optionally substituted by hydroxy or alkoxy or one of R
6
and R
7
is hydrogen and the other is acyl, or R
6
and R
7
together with the nitrogen atom to which they are attached denote a 5- or 6-membered heterocyclyl group.
化合物的结构式(I)在自由或盐形式下,其中R1为氢或烷基,可以选择地被羟基、烷氧基或烷硫基取代,R2为氢、烷基、羟基烷基、烷基羰基氧基烷基、烷氧基烷基、烷硫基烷基、烯基、环烷基烷基、杂环烷基烷基、芳基烷基,其中芳环可以选择地与一个5-成员杂环基团融合,或可以选择地被烷氧基、氨基、烷基氨基、二烷基氨基、酰胺基、卤素、羟基、氨基磺酰基、烷基氨基磺酰基、二烷基氨基磺酰基、烷基磺酰氨基或二烷基氨基磺酰氨基等一个或多个取代基取代,R3为氢或烷基,可以选择地被羟基、烷氧基或烷硫基取代,R4为氢或烷基,R5为喹啉基、异喹啉基或氧代二氢异喹啉基,可以选择地与一个5-成员杂环基团融合,并可以选择地被卤素、氰基、羟基、烷基、羟基烷基、烷氧基烷基、烷硫基烷基、烷氧基、烷硫基、烯基、烷氧羰基、炔基、羧基、酰基、一个结构式为—N(R6)R7的基团、可以选择地被卤素或烷氧基等一个或多个取代基取代的芳基,或者通过一个环碳原子连接到所指示的碳原子的5个或6个环原子的杂芳基,R6和R7分别独立地为氢或烷基,可以选择地被羟基或烷氧基取代,或者R6和R7中的一个为氢,另一个为酰基,或者R6和R7与它们连接的氮原子一起表示一个5-或6-成员杂环基团。