3-Heteroaryl-3,5-dihydro-4-oxo-4H-pyridazino[4,5-B]indole-1-carboxamide Derivatives, Their Preparation and Therapeutic Use
申请人:Burnier Philippe
公开号:US20080249098A1
公开(公告)日:2008-10-09
A subject-matter of the invention is the 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 represent, independently of one another, a hydrogen atom or a (C
1
-C
4
)alkyl group or else R
2
and R
3
form, with the nitrogen atom which carries them, a pyrrolidinyl, piperidinyl, morpholinyl or 4-alkylpiperazinyl group; and Het represents a heteroaromatic group of pyridinyl, 1-oxidopyridinyl, quinolinyl, isoquinolinyl, pyrimidinyl, pyrazinyl or pyridazinyl type, it being possible for the heteroaromatic group to carry one or more halogen atoms and/or one or more (C
1
-C
4
) alkyl or (C
1
-C
4
) alkoxy groups; in the form of bases, of addition salts with acids, of solvates or of hydrates, the pharmaceutical compositions comprising them, processes for their preparation and synthetic intermediates.
本发明的主题是一般式(I)的化合物,其中X代表氢或卤素原子;R1代表氢原子或(C1-C4)烷基;R2和R3各自独立地代表氢原子或(C1-C4)烷基,或者R2和R3与携带它们的氮原子形成吡咯烷基、哌啶基、吗啉基或4-烷基哌嗪基;Het代表吡啶基、1-氧化吡啶基、喹啉基、异喹啉基、嘧啶基、吡嗪基或吡嗪啉基等杂环芳基,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)烷基或(C1-C4)烷氧基。这些化合物可以是碱、与酸的加合物、溶剂化合物或水合物的形式存在,其中包括药物组合物、其制备方法和合成中间体。