tert-butyl (1-(3,4-dichlorophenyl)-1-{[methyl-(3,3,3-trifluoro-propionyl)-amino]-methyl}-3-oxo-propyl)-methyl-carbamate 、
Spiro[benzo[c]thiophene-1(3H),4'-piperidin]-(2S)-oxide(S)-(+)-mandelate 在
sodium cyanoborohydride 、
溶剂黄146 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以97%的产率得到tert-butyl {1-(3,4-dichlorophenyl)-1-{[methyl-(3,3,3-trifluoro-propionyl)-amino]-methyl}-3-{spiro[benzo(c)thiophene-1(3H),4'-piperidine]-(2S)-oxide}-1'-yl-propyl}-methyl-carbamate