Piperidine and piperazine derivatives possessing affinity at 5ht-1 type receptors
申请人:Flynn F. Sean
公开号:US20050176724A1
公开(公告)日:2005-08-11
Compounds of formula (I) and pharmaceutically acceptable salts thereof are disclosed:
wherein A is optionally substituted phenyl, indolyl, quinolinyl, quinazolinyl, indazolyl or isoquinolinyl; X is carbon, Y is CH and ═ is a double bond; or X is CH, Y is CH
2
or oxygen and ═ is a single bond; or X is nitrogen, Y is CH
2
and ═ is a single bond; R
1
is halogen, cyano, nitro, C
1-6
alkyl, haloC
1-6
alkyl, C
1-6
alkoxy, C
3-7
heterocyclylC
1-6
alkyl, C
3-7
heterocyclyl C
1-6
alkoxy; a is 0, 1, 2, 3 or 4; R2 is either: halogen, —CN, an optionally substituted C
3-7
cycloalkyl, an optionally substituted aryl or an optionally substituted C-linked 3-7 membered heterocyclic group; or a group -(Z)b-B wherein: (i) Z is oxygen, CH
2
, C═O, SO
2
or C═N—OR3 wherein R3 is hydrogen or C
1-6
alkyl; b is 1, 2, or 3; and B is hydrogen, C
1-6
alkyl, C
3-7
cycloalkyl, C
1-6
alkoxy or NR4R5 wherein R4 and R5 are independently hydrogen, C
1-6
alkyl, C
3-7
cycloalkyl, C
1-6
alkanoyl, fluoroC
1-6
alkanoyl, C
1-6
alkylsulfonyl, fluoroC
1-6
alkylsulfonyl, carbamoyl or C
1-6
alkylcarbamoyl, or R4 and R5, together with the nitrogen atom to which they are attached, form part of an optionally substituted 3 to 7 membered heterocyclic group; or (ii) Z is oxygen, CH or CH
2
, b is 1, and B forms the rest of an aryl or a C
3-7
heterocyclic group fused to the phenyl ring; excluding 1-[2-[2-(phenylmethyl)phenoxy]ethyl]-4-[(2,3,4-trimethoxyphenyl)methyl]-piperazine and pharmaceutically acceptable salts thereof, and
N-[4-[2-[4-[(3,4-dimethoxyphenyl)methyl]-1-piperazinyl]ethoxy]phenyl]-ethanesulfonamide and pharmaceutically acceptable salts thereof. Methods of preparing the compounds and uses of the compounds in therapy, in particular for CNS disorders such as depression and anxiety, are also disclosed.
本文披露了公式(I)的化合物及其药学上可接受的盐:其中A是可选取代的苯基、
吲哚基、
喹啉基、
喹唑啉基、
吲唑基或
异喹啉基;X为碳,Y为CH,═为双键;或X为CH,Y为
CH2或氧,═为单键;或X为氮,Y为 ,═为单键;R1为卤素、
氰基、硝基、C1-6烷基、卤代C1-6烷基、C1-6烷氧基、C3-7杂环烷基C1-6烷基、C3-7杂环烷基C1-6烷氧基;a为0、1、2、3或4;R2为:卤素、-CN、可选取代的C3-7环烷基、可选取代的芳基或可选取代的C-连接的3-7环成员杂环基;或一个-(Z)b-B基团,其中:(i)Z为氧、 、C═O、SO2或C═N—OR3,其中R3为氢或C1-6烷基;b为1、2或3;B为氢、C1-6烷基、C3-7环烷基、C1-6烷氧基或NR4R5,其中R4和R5独立地为氢、C1-6烷基、C3-7环烷基、C1-6烷酰基、
氟代C1-6烷酰基、C1-6烷基磺酰基、
氟代C1-6烷基磺酰基、
氨基或C1-6烷基
氨基;或R4和R5与它们所连接的氮原子一起构成可选取代的3到7环成员杂环基的一部分;或(ii)Z为氧、CH或 ,b为1,B为连接到苯环或C3-7杂环基的其余部分的芳基或C3-7杂环基;不包括1-[2-[2-(苯甲基)苯氧基]乙基]-4-[(2,3,4-三
甲氧基苯基)甲基]-
哌嗪和其药学上可接受的盐,以及N-[4-[2-[4-[(3,4-二
甲氧基苯基)甲基]-1-
哌嗪基]乙氧基]苯基]-
乙烷磺酰胺和其药学上可接受的盐。本文还披露了制备这些化合物的方法以及这些化合物在治疗中的应用,特别是在中枢神经系统疾病如抑郁症和焦虑症中的应用。