A process for the formation of 2-(methyloxy)-N-[2-methyl-1-phenyl-2-(1-pyrrolidinyl)propyl]-4,6-bis(trifluoromethyl)benzamide is disclosed, comprising treatment of 2,4-ditrifluoromethyl-6-methoxy-benzoic acid with an arylsulphonyl halide, C
1-6
alkylsulphonyl halide or di-C
1-6
alkylphosphoryl chloride, in the presence of a base and an aprotic solvent; followed by reaction with [2-methyl-1-phenyl-2-(1-pyrrolidinyl)propyl]amine or a salt thereof. Also disclosed is a process for the formation of [2-methyl-1-phenyl-2-(1-pyrrolidinyl)propyl]amine comprising: i) treatment of an α-haloketone with an alcohol in the presence of a base followed by reaction with pyrrolidine; ii) treatment of the product of stage i) with Ar—CH(R
5
)N H
2
wherein R
5
is C
1-4
alkyl and Ar is optionally substituted phenyl, followed by reduction with a sodium borohydride derivative; and iii) reduction of the product of stage ii) with hydrogen and a palladium catalyst. Also disclosed is the novel compound 2-pyrrolidinyl-2-methylpropiophenone or a salt or solvate thereof.
揭示了一种制备2-(甲
氧基)-N- [
2-甲基-1-
苯基-2-(1-
吡咯烷基)丙基] -4,6-双(三
氟甲基)
苯甲
酰胺的方法,包括在芳基磺
酰卤、C1-6烷基磺
酰卤或二C1-6烷基
磷酰
氯的存在下,用无
水溶剂处理
2,4-二三
氟甲基-6-
甲氧基苯甲酸,然后与[
2-甲基-1-
苯基-2-(1-
吡咯烷基)丙基]胺或其盐反应。还揭示了一种制备[
2-甲基-1-
苯基-2-(1-
吡咯烷基)丙基]胺的方法,包括:i)在碱的存在下,用醇处理α-卤代
酮,然后与
吡咯烷反应;ii)用Ar-CH(R5)NH2(其中R5是C1-4烷基,Ar是可选取代
苯基)处理阶段i)的产物,然后用
硼氢化钠衍
生物还原;以及iii)用
氢和
钯催化剂还原阶段ii)的产物。还揭示了新化合物2-
吡咯烷基-
2-甲基丙酮或其盐或溶剂化物。