Piperidine derivatives, processes for their preparation and pharmaceutical preparation containing them
申请人:Carlsson, Per Arvid Emil
公开号:EP0097628A2
公开(公告)日:1984-01-04
The pure enantiomeric form of a compound of the formula
wherein Y is OH, R'COO, R2R3NCOO- or R4O whereby R' is an aliphatic hydrocarbon residue having 1-17 carbon atoms. a phenyl, 2,6-dimethylphenyl or 3- or 4-hydroxyphenyl group or a 3- or 4-alkanoyloxyphenyl group with the formula
wherein R5 is an alkyl group having 1-6 cabon atoms, or RI is a group
wherein R6 is hydrogen, an alkyl group having 1 to 5 carbon atoms or a phenyl group, R7 is hydrogen, an alkyl group having 1 to 5 carbon atoms or an acyl group and R8 is hydrogen or an alkyl group having 1 to 5 carbon atoms, R2 is hydrogen, an alkyl group having 1-5 carbon atoms, a phenethyl, benzyl or phenyl group which may be mono- or disubstituted in the aromatic part with a methyl, methoxy, hydroxy, nitro or cyano group or a halogen, R3 is H, an alkyl group having 1 to 5 carbon atoms or a phenyl group or R2 and R3 together with the nitrogen atom form a 5, 6 or 7 membered ring that may contain 1 to 3 double bonds andior 1 or 2 further heteroatoms selected from N, 0 and S, and R4 is an allyl or benzyl group, said enantiomer having the same absolute configuration at the asymmetric carbon atom (x) as that of the (-)-enantiomer of the compound of formula wherein Y is OH, as bases and pharmaceutically acceptable acid addition salts thereof, processes for their preparation and pharmaceutical preparations and methods of treatment employing such compounds. The compounds are useful for treatment of disorders in the central nervous system.
式中化合物的纯对映体形式
式中 Y 为 OH、R'COO、R2R3NCOO- 或 R4O,其中 R'为具有 1-17 个碳原子的脂肪族烃残基。 式中苯基、2,6-二甲基苯基或 3-或 4-羟基苯基或 3-或 4-烷酰氧基苯基。
其中 R5 是具有 1-6 个碳原子的烷基,或 RI 是一个基团
其中 R6 是氢、1-5 个碳原子的烷基或苯基,R7 是氢、1-5 个碳原子的烷基或酰基,R8 是氢或 1-5 个碳原子的烷基,R2 是氢、1-5 个碳原子的烷基、苯乙基、苄基或苯基,其芳香部分可与甲基、甲氧基、羟基、硝基或氰基或卤素单取代或二取代,R3 是 H、1-5 个碳原子的烷基或苯基,或 R2 和 R3 与氮原子一起形成 5、R4是烯丙基或苄基,所述对映体在不对称碳原子(x)上的绝对构型与式化合物的(-)-对映体的绝对构型相同,其中Y是OH,作为其碱和药学上可接受的酸加成盐、其制备工艺和药物制剂以及采用此类化合物的治疗方法。这些化合物可用于治疗中枢神经系统疾病。