4-methoxy-N
1-phenylbenzene-1,2-diamine dihydrochloride 、
3-(1-methyl-2-oxo-1,2-dihydro-3H-imidazo[4,5-b]pyridin-3-yl)propanoic acid 在
1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxid hexafluorophosphate 、
N,N-二异丙基乙胺 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
反应 26.0h,
以39%的产率得到3-[2-(5-methoxy-1-phenyl-1H-benzimidazol-2-yl)ethyl]-1-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one