4-[[(4-formylbenzoyl)amino]methyl]benzoic acid 、 (3R)-quinuclidin-3-yl N-(3-phenylazetidin-3-yl)carbamate dihydrochloride 在
三乙胺 、 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79%的产率得到[(3R)-3-quinuclidinyl]-N-[1-[4-[[(4-formylbenzoyl)amino]methyl]benzoyl]-3-phenylazetidin-3-yl]carbamate