申请人:AstraZeneca AB
公开号:US06387899B1
公开(公告)日:2002-05-14
The present invention relates to new piperidinyl- or piperazinyl-substituted-3,4-dihydro-2H-1-benzopyran derivatives having 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, C1-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.
本发明涉及具有式(I)的新的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一或两个从N,O和S中选择的杂原子的杂芳环,并且可以是单取代或双取代; 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,未取代或取代的杂环或杂芳环,其中取代基为C1-C6烷基; 或COR8; 其中R6,R7和R8如上所定义,作为(R)-对映体,(S)-对映体或免费碱或药学上可接受的盐或溶剂的混合物存在,以及制备它们的过程,包含所述治疗活性化合物的制药组合物以及在治疗中使用所述活性化合物的用途。