(R)-4-(2-chloro-5-nitro-phenyl)-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine 在
镍 氩 、
氢气 作用下,
以
四氢呋喃 为溶剂,
反应 0.25h,
以to give the (R)-4-(5-amino-2-chloro-phenyl)-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (42 mg, 93% of theory) as a yellow oil which的产率得到(R)-4-(5-amino-2-chloro-phenyl)-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine