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    • 4. 发明申请
    • IMPROVED PROCESS OF AMIDE FORMATION
    • 改进的酰胺形成过程
    • WO2008155334A2
    • 2008-12-24
    • PCT/EP2008057642
    • 2008-06-18
    • GLAXO GROUP LTDPERBONI ALCIDEGIUBELLINA NICOLA
    • PERBONI ALCIDEGIUBELLINA NICOLA
    • C07D207/06
    • 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,C1-6alkylsulphonyl halide or di-C1-6alkylphosphoryl 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 a-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(R5)NH2 wherein R5 is C1-4alkyl 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.
    • 公开了形成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,包括处理2, 4-二甲基甲基-6-甲氧基 - 苯甲酸与芳基磺酰卤,C 1-6烷基磺酰卤或二-C 1-6烷基磷酰氯在碱和非质子溶剂的存在下反应; 然后与[2-甲基-1-苯基-2-(1-吡咯烷基)丙基]胺或其盐反应。 还公开了形成[2-甲基-1-苯基-2-(1-吡咯烷基)丙基]胺的方法,其包括:i)在碱的存在下用醇处理α-卤代酮,然后进行反应 与吡咯烷; ii)用Ar-CH(R 5)NH 2处理步骤i)的产物,其中R 5是C 1-4烷基,Ar是任选取代的苯基,随后用硼氢化钠衍生物还原; 和iii)用氢气和钯催化剂还原阶段ii)的产物。 还公开了新化合物2-吡咯烷基-2-甲基苯丙酮或其盐或溶剂化物。