申请人:Astrazeneca AB
公开号:US06479497B1
公开(公告)日:2002-11-12
The present invention relates to new new piperidyl or piperazinyl-substituted dihydro-2H-1-benzopyran derivatives compound having the formula (I)
wherein
X is N or CH;
Y is NR2CH2, CH2NR2, NR2CO, CONR2, NR2SO2 or NR2CONR2 wherein R2 is H or C1-C6 alkyl;
R1 is H, C1-C6 alkyl or C3-C6 cycloalkyl;
R3 is C1-C6 alkyl, C3-C6 cycloalkyl or (CH2)n-aryl,
wherein aryl is phenyl or a heteroaromatic ring containing one or two heteroatoms selected from N, O and S and which may be mono- or di-substituted with R4 and/or R5;
and n is 0-4;
as (R)-enantiomers, (S)-enantiomers or a racemate in the form of a free base or a pharmaceutically acceptable salt or solvate thereof, a process for their preparation, pharmaceutical compositions containing said therapeutically active compounds and to the use of said active compounds.
本发明涉及具有以下结构的新的哌啶基或哌嗪基取代的二氢-2H-1-苯并吡喃衍生物化合物(I):
其中X为N或CH;
Y为NR2CH2、CH2NR2、NR2CO、CONR2、NR2SO2或NR2CONR2,其中R2为H或C1-C6烷基;
R1为H、C1-C6烷基或C3-C6环烷基;
R3为C1-C6烷基、C3-C6环烷基或(CH2)n-芳基,其中芳基为苯基或含有N、O和S中的一种或两种杂原子的杂芳环,并且可以是单取代或双取代的R4和/或R5;
n为0-4;
为其(R)-对映异构体、(S)-对映异构体或以自由碱或药用可接受盐或溶剂形式的拉克米特,一种其制备方法,含有所述治疗活性化合物的药物组合物以及所述活性化合物的用途。