2-ethyl-5-((5-ethyl-1,3,4-oxadiazol-2-yl)methyl)-7-methyl-3-((1S)-5-(2-(1-trityl-1H-tetrazol-5-yl)phenyl)-2,3-dihydro-1H-inden-1-yl)-3H-imidazo[4,5-b]pyridine 在
silica gel 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以to give 3-((1S)-5-(2-(1H-tetrazol-5-yl)phenyl)-2,3-dihydro-1H-inden-1-yl)-2-ethyl-5-((5-ethyl-1,3,4-oxadiazol-2-yl)methyl)-7-methyl-3H-imidazo[4,5-b]pyridine (0.049 g, 75% isolated yield)的产率得到3-((1S)-5-(2-(1H-tetrazol-5-yl)phenyl)-2,3-dihydro-1H-inden-1-yl)-2-ethyl-5-((5-ethyl-1,3,4-oxadiazol-2-yl)methyl)-7-methyl-3H-imidazo[4,5-b]pyridine