(2R,4S)-1-{N-(3,5-bistrifluoromethylbenzyl)-N-methyl}aminocarbonyl-2-(4-fluoro-2-methylphenyl)-4-(N-pirazine-2-ylamino)piperidine 、
碘甲烷 在
sodium hydride 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 2.08h,
生成 (2R,4S)-1-{N-(3,5-bistrifluoromethylbenzyl)-N-methyl}aminocarbonyl-2-(4-fluoro-2-methylphenyl)-4-(N-pirazine-2-yl-N-methylamino)piperidine