(4S,6S)-4-(2-fluoro-5-iodo-4-methylphenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine 、
3-氰基-2-氟苯硼酸 以to give 5′-((4S,6S)-2-amino-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-4-yl)-2,4′-difluoro-2′-methylbiphenyl-3-carbonitrile as off-white solid的产率得到5'-((4S,6S)-2-amino-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-4-yl)-2,4'-difluoro-2'-methylbiphenyl-3-carbonitrile