The invention relates to a novel process for the alternative preparation of N-methyl-N-[(1S)-1-phenyl-2-((3S)-3-hydroxypyrrolidin-1-yl)ethyl]-2,2-diphenylacetamide or N-methyl-N-[(1R)-1-phenyl-2-((3R)-3-hydroxypyrrolidin-1-yl)ethyl]-2,2-diphenylacetamide, and the novel compounds N-methyl-N-[(1S)-1-phenyl-2-((3S)-3-hydroxypyrrolidin-1-yl)ethane] and N-methyl-N[(1R)-1-phenyl-2-((3R)-3-hydroxypyrrolidin-1-yl) ethane], which are prepared as intermediates.
这项发明涉及一种新型工艺,用于替代制备N-甲基-N-[(1S)-1-苯基-2-((3S)-
3-羟基吡咯烷-1-基)乙基]-2,2-二苯乙酰胺或N-甲基-N-[(1R)-1-苯基-2-((3R)-
3-羟基吡咯烷-1-基)乙基]-2,2-二苯乙酰胺,以及新型化合物N-甲基-N-[(1S)-1-苯基-2-((3S)-
3-羟基吡咯烷-1-基)
乙烷]和N-甲基-N-[(1R)-1-苯基-2-((3R)-
3-羟基吡咯烷-1-基)
乙烷],这些化合物作为中间体制备。