A piperidine derivative, which can be used as an intermediate for pharmaceuticals such as paroxetine useful as antidepressants, represented by the general formula (I):
wherein R1 is hydrogen atom, benzyloxycarbonyl group or tert-butoxycarbonyl group; R2 is hydroxymethyl group, an alkylsulfonyloxymethyl group having an alkyl moiety of 1 to 2 carbon atoms, phenylsulfonyloxymethyl group which may have methyl group at the 4-position, (3,4-methylenedioxyphenyl)oxymethyl group, carboxyl group or -CO2R7 group in which R7 is an alkyl group having 1 to 5 carbon atoms, and Z is methylene group or carbonyl group, with proviso that, (A) when R1 is benzyloxycarbonyl group or tert-butoxycarbonyl group, then R2 is hydroxymethyl group, an alkylsulfonyloxymethyl group having an alkyl moiety of 1 to 2 carbon atoms, phenylsulfonyloxymethyl group which may have methyl group at the 4-position or (3,4-methylenedioxyphenyl)oxymethyl group, and Z is methylene group; or (B) when R1 is hydrogen atom and Z is carbonyl group, then R2 is carboxyl group or -CO2R7 group (R7 is as defined above); or (C) when R1 is hydrogen atom and Z is methylene group, then R2 is hydroxymethyl group.
Also processes for the production of the intermediates are described.
一种
哌啶衍
生物,可用作抗抑郁药
帕罗西汀等药物的中间体,由通式(I)表示:
其中 R1 为氢原子、苄氧羰基或叔丁氧羰基;R2 是羟甲基、具有 1 至 2 个碳原子的烷基的烷磺酰氧基甲基、可在 4 位上具有甲基的苯磺酰氧基甲基、(3,4-亚甲基二氧苯基)氧基甲基、羧基或-CO2R7 基(其中 R7 是具有 1 至 5 个碳原子的烷基),Z 是亚甲基或羰基、但 (A) 当 R1 为苄氧羰基或叔丁氧羰基时,则 R2 为羟甲基、具有 1 至 2 个碳原子的烷基的烷基磺酰氧甲基、在 4 位可能具有甲基的苯基磺酰氧甲基或(3,4-亚甲基二氧苯基)氧甲基,且 Z 为亚甲基;或 (B) 当 R1 为氢原子且 Z 为羰基时,则 R2 为羧基或-CO2R7 基团(R7 如上定义);或 (C) 当 R1 为氢原子且 Z 为亚甲基时,则 R2 为羟甲基。
此外,还介绍了中间体的生产工艺。