7-[5-chloro-2-(1H-1,2,3,4-tetrazol-1-yl)phenyl]-5-oxo-1,2,3,5-tetrahydroindolizine-3-carboxylic acid 、
methyl N-[5-(2-amino acetyl)thiophen-2-yl]carbamate hydrochloride 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 3.0h,
以0.095 g的产率得到methyl N-{5-[2-({7-[5-chloro-2-(1H-1,2,3,4-tetrazol-1-yl)phenyl]-5-oxo-1,2,3,5-tetrahydroindolizin-3-yl}formamido)acetyl]thiophen-2-yl} carbamate