(4S,6S)-4-(2-fluoro-5-iodophenyl)-4-(fluoromethyl)-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine 、
4-乙炔基苯甲腈 以to give 4-((3-((4S,6S)-2-amino-4-(fluoromethyl)-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-4-yl)-4-fluorophenyl)ethynyl)benzonitrile as yellow solid的产率得到4-((3-((4S,6S)-2-amino-4-(fluoromethyl)-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-4-yl)-4-fluorophenyl)ethynyl)benzonitrile