3-heteroaryl-3, 5-dihydro-4-oxo-4H-pyridazino[4, 5-b]indole-1-carboxamide derivatives their preparations and therapeutic use
申请人:Burnier Philippe
公开号:US20050096321A1
公开(公告)日:2005-05-05
The invention concerns compounds of general formula (I), wherein: 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
, represent each, independently of each other, a hydrogen atom or a (C
1
-C
4
)alkyl group, or R
2
and R
3
form, with the atom which bears them, a pyrrolidinyl, piperidinyl, morpholinyl or 4-alkylpiperazinyl group; and Het represents a heteroaromatic group of pyridinyl, 1-oxidopyridinyl, quinolinyl, isoquinolinyl, pyrimidinyl, pyrazinyl, pyridazinyl type, the heteroaromatic group may represent one or several halogen atoms and/or one or several (C
1
-C
4
)alkyl, (C
1
-C
4
)alkoxyl groups; in the form of bases, addition salts to acids, solvates or hydrates. The invention also concerns pharmaceutical compositions containing same, methods for preparing same and synthesis intermediates.
本发明涉及通式(I)的化合物,其中:X表示氢原子或卤素原子;R1表示氢原子或(C1-C4)烷基基团;R2和R3分别独立地表示氢原子或(C1-C4)烷基基团,或R2和R3与带有它们的原子形成吡咯烷基,哌啶基,吗啉基或4-烷基哌嗪基团;Het表示吡啶基,1-氧代吡啶基,喹啉基,异喹啉基,嘧啶基,吡嗪基,吡啶嗪基等杂环芳基,该杂环芳基可以表示一个或多个卤素原子和/或一个或多个(C1-C4)烷基,(C1-C4)烷氧基团;以碱,酸加成盐,溶剂合物或水合物的形式存在。本发明还涉及含有这些化合物的制药组合物,制备这些化合物的方法和合成中间体。