(R)-5-(5-amino-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepane-3-thione 、
8-oxo-5,6,7,8-tetrahydroquinoline-3-carbonitrile 以The 8-(3-((R)-6,6-difluoro-5,7,7-trimethyl-3-thioxo-1,4-oxazepan-5-yl)-4-fluorophenylamino)-5,6,7,8-tetrahydroquinoline-3-carbonitrile (96 mg, 63.1%) was obtained as a white foam的产率得到8-(3-((R)-6,6-difluoro-5,7,7-trimethyl-3-thioxo-1,4-oxazepan-5-yl)-4-fluorophenylamino)-5,6,7,8-tetrahydroquinoline-3-carbonitrile