(R)-N-(bis(4-methoxyphenyl)(phenyl)methyl)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-2,5,6,7-tetrahydro-1,4-oxazepin-3-amine 、
N-甲基-3-氨基吡唑 以The (R)—N-(bis(4-methoxyphenyl)(phenyl)methyl)-6,6-difluoro-5-(2-fluoro-5-(1-methyl-1H-pyrazol-3-ylamino)phenyl)-5,7,7-trimethyl-2,5,6,7-tetrahydro-1,4-oxazepin-3-amine (174 mg, 80.9%) was obtained as a light yellow foam的产率得到(R)-N-(bis(4-methoxyphenyl)(phenyl)methyl)-6,6-difluoro-5-(2-fluoro-5-(1-methyl-1H-pyrazol-3-ylamino)phenyl)-5,7,7-trimethyl-2,5,6,7-tetrahydro-1,4-oxazepin-3-amine