3-(R)-amino-2-(S)-o-tolyl-piperidine-1-carboxylic acid [1-(3,5-bis-trifluoromethyl-phenyl)-ethyl]-methyl-amide hydrochloride 、
potassium tert-butylate 、
碘甲烷 以
四氢呋喃 为溶剂,
反应 88.17h,
以14%的产率得到(1-(R)-{[1-(3,5-bis-trifluoromethyl-phenyl)-ethyl]-methyl-carbamoyl}-2-(S)-o-tolyl-piperidin-3-(R)-yl)-methyl-carbamic acid tert-butyl ester