(S)-methoxycarbonylamino(tetrahydropyran-4-yl)acetic acid 、
N-(5-chloro-4'-(2-((2S,4S)-4-methylpyrrolidin-2-yl)-1H-imidazol-4-yl)-2-(trifluoromethoxy)-[1,1'-biphenyl]-4-yl)-6-((R)-2-methyl-4-pivaloylpiperazin-1-yl)nicotinamide 在
6-chloro-3-((dimethylamino)(dimethyliminio)methyl)-1H-benzo[d][1,2,3]triazol-3-ium-1-olatehexafluorophosphate(V) 、
N,N-二异丙基乙胺 、 lithium hydroxide 作用下,
以
N,N-二甲基甲酰胺 、
甲醇 为溶剂,
反应 0.75h,
以49%的产率得到[(S)-2-((2S,4S)-2-{4-[5 ({6-[(R)-4-(2,2-dimethyl-propionyl)-2-methyl-piperazin-1-yl]-pyridine-3-carbonyl}-amino)-2'-trifluoromethoxy-biphenyl-4-yl]-1H-imidazol-2-yl}-4-methyl-pyrrolidin-1-yl)-2-oxo-1-(tetrahydro-pyran-4-yl)-ethyl]-carbamic acid methyl ester