3-heteroarly-3,5-dihydro-4-oxo-4h-pyridazino[4,5-b] indole-1-acetamide derivatives, preparation and use thereof in medicaments
申请人:Froissant Jacques
公开号:US20050124615A1
公开(公告)日:2005-06-09
The invention provides compounds of general formula (I)
in which
X represents a hydrogen or halogen atom; R
1
represents a hydrogen atom or a (C
1
-C
4
)alkyl group; R
2
and R
3
each independently of one another represent a hydrogen atom or a (C
1
-C
4
)alkyl group, or else R
2
and R
3
, together with the nitrogen atom bearing them, form a pyrrolidinyl, piperidinyl, morpholinyl or 4-(C
1
-C
4
)alkylpiperazinyl group; and Het represents a heteroaromatic group of pyridinyl, quinolinyl, isoquinolinyl, pyrimidinyl, pyrazinyl or pyridazinyl type which may carry one or more halogen atoms and/or one or more (C
1
-C
4
)alkyl and/or (C
1
-C
4
)alkoxy groups; in the form of bases, addition salts with acids, solvates or hydrates; the pharmaceutical compositions comprising them, processes for preparing them, and synthesis intermediates.
本发明提供了通式(I)的化合物,其中X代表氢原子或卤素原子;R1代表氢原子或(C1-C4)烷基基团;R2和R3各自独立地表示氢原子或(C1-C4)烷基基团,或者R2和R3与它们所带的氮原子一起形成吡咯烷基,哌啶基,吗啉基或4-(C1-C4)烷基哌嗪基基团;Het表示吡啶基,喹啉基,异喹啉基,嘧啶基,吡嗪基或吡嗪啉基等杂环芳基,可以携带一个或多个卤素原子和/或一个或多个(C1-C4)烷基和/或(C1-C4)烷氧基团;以碱,酸盐,溶剂合物或水合物的形式存在;以及包括它们的制药组合物,制备它们的过程和合成中间体。