6,6-Difluoro-5,7,7-trimethyl-1,4-oxazepan-3-one 、
4-氟苯胺 以The (R)-6,6-difluoro-5-(2-fluoro-5-(4-fluorophenylamino)phenyl)-5,7,7-trimethyl-1,4-oxazepan-3-one (181 mg, 55.7%) was obtained as a light yellow foam的产率得到(R)-6,6-difluoro-5-(2-fluoro-5-(4-fluorophenylamino)phenyl)-5,7,7-trimethyl-1,4-oxazepan-3-one