(4S,6S)-4-(2-fluoro-5-iodophenyl)-4-methyl-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-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-4-yl)-4-fluorophenyl)ethynyl)benzonitrile as off-white solid的产率得到4-((3-((4S,6S)-2-amino-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-4-yl)-4-fluorophenyl)ethynyl)benzonitrile