4-(5-phenyl-1H-1,2,3-triazol-1-yl)benzoic acid 、 9H-fluoren-9yl6-amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 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,
以92 %的产率得到9H-fluoren-9-yl 3,3-dimethyl-7-oxo-6-(4-(5-phenyl-1H-1,2,3-triazol-1-yl)benzamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate