(2S,4R)-4-hydroxy-N-((S)-1-(4-(4-methylthiazol-5-yl)phenyl)ethyl)pyrrolidine-2-carboxamide 、
2-(3-(5-(3’-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methylcarbamoyl)-5’-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-4’-methylbiphenyl-4-yloxy)pentyloxy)isoxazol-5-yl)-3-methylbutanoic acid 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 5.0h,
以32 mg的产率得到(2S,4R)-1-(2-(3-((5-((3'-(((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-4-methyl-[1,1'-biphenyl]-4-yl)oxy)pentyl)oxy)isoxazol-5-yl)-3-methylbutanoyl)-4-hydroxy-N-((S)-1-(4-(4-methylthiazol-5-yl)phenyl)ethyl)pyrrolidine-2-carboxamide