申请人:AstraZeneca AB
公开号:US06384225B1
公开(公告)日:2002-05-07
The present invention relates to new piperidinyl- or piperazinyl-substituted-3,4-dihydro-2H-1-benzopyran derivatives having the formula I
wherein
X is N or CH;
Y is NR2CH2, CH2NR2, NR2CO, CONR2 or NR2SO2
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;
n is 0-4;
R9 is C1-C6 alkyl, C3-C6 cycloalkyl, OCF3, OCHF2, OCH2F, halogen, CONR6R7, CN, CF3, OH, C114 C6 alkoxy, NR6R7, SO3CH3, SO3CF3, SO2NR6R7, an unsubstituted or substituted heterocyclic or heteroaromatic ring containing one or two heteroatoms selected from N and O, wherein the substituent(s) is(are) C1-C6 alkyl; or COR8; wherein R6, R7 and R8 are as defined above,
as (R)-enantiomers, (S)-enantiomers or racemates in the form of a free base or pharmaceutically acceptable salts or solvates thereof, a process for their preparation, pharmaceutical compositions containing said therapeutically active compounds and to the use of said active compounds in therapy.
本发明涉及具有以下式I的新哌啶基或哌嗪基取代的3,4-二氢-2H-1-苯并吡喃衍生物,其中X为N或CH;Y为NR2CH2、CH2NR2、NR2CO、CONR2或NR2SO2,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中的一个或两个杂原子的杂芳环,并且可能是单取代或双取代;n为0-4;R9为C1-C6烷基、C3-C6环烷基、OCF3、OCHF2、OCH2F、卤素、CONR6R7、CN、CF3、OH、C1-C6烷氧基、NR6R7、SO3CH3、SO3CF3、SO2NR6R7、一个未取代或取代的含有N和O中的一个或两个杂原子的杂环或杂芳环,其中取代基为C1-C6烷基;或COR8;其中R6、R7和R8如上定义,作为(R)-对映体、(S)-对映体或在自由碱形式或其药学上可接受的盐或溶剂中的混合物形式存在的拉克美酯,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在治疗中的应用。