(R)-tert-butyl (2-(acetamidomethyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)carbamate 、
4-(trifluoromethyl)piperidine-1-sulfonyl chloride 在
吡啶 作用下,
以
四氢呋喃 为溶剂,
生成 (S)-tert-butyl (2-(acetamidomethyl)-4-((4-(trifluoromethyl)piperidin-1-yl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)carbamate