[(R)-4-(5-amino-pyridin-2-yl)-3-methyl-piperazin-1-yl]-((S)-2,2-dimethyl-cyclopropyl)-methanone 、 4'-{2-[(2S,4S)-1-((S)-2-methoxycarbonylamino-3-methyl-butyryl)-4-methyl-pyrrolidin-2-yl]-1H-imidazol-4-yl}-2-trifluoromethoxy-biphenyl-4-carboxylic acid trifluoroacetic acid salt 、
三氟乙酸 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 、
水 、
乙腈 为溶剂,
以9 mg的产率得到((S)-1-{(2S,4S)-2-[4-(4'-{6-[(R)-4-((S)-2,2-dimethyl-cyclopropanecarbonyl)-2-methyl-piperazin-1-yl]-pyridin-3-ylcarbamoyl}-2'-trifluoromethoxy-biphenyl-4-yl)-1H-imidazol-2-yl]-4-methyl-pyrrolidine-1-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester di-trifluoroacetic acid salt