trans-(1-{[1-(R)-(3,5-bis-trifluoromethyl-phenyl)-ethyl]-methyl-carbamoyl}-2-o-tolyl-piperidin-3-yl)-carbamic acid tert-butyl ester 、
碘甲烷 在
potassium tert-butylate 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以100%的产率得到trans-(1-{[1-(R)-(3,5-bis-trifluoromethyl-phenyl)-ethyl]-methyl-carbamoyl}-2-o-tolyl-piperidin-3-yl)-methyl-carbamic acid tert-butyl ester