2-(R)-(4-fluoro-2-methyl-phenyl)-3-(S)-methylaminomethyl-piperidine-1-carboxylic acid [1-(R)-(3,5-bis-trifluoromethyl-phenyl)-ethyl]-methyl-amide 、
聚合甲醛 在
三乙酰氧基硼氢化钠 作用下,
以
四氢呋喃 为溶剂,
反应 16.0h,
以58%的产率得到3-(S)-dimethylaminomethyl-2-(R)-(4-fluoro-2-methyl-phenyl)-piperidine-1-carboxylic acid [1-(R)-(3,5-bis-trifluoromethyl-phenyl)-ethyl]-methyl-amide