(S)-2-ethyl-5-(2-methoxy-ethyl)-7-methyl-3-{5-[2-(1-trityl-1H-tetrazol-5-yl)-phenyl]-indan-1-yl}-3H-imidazo[4,5-b]pyridine 在
氮气 、 silica gel 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以to give a white foam solid of 2-ethyl-5-(2-methoxy-ethyl)-7-methyl-3-{(S)-5-[2-(1H-tetrazol-5-yl)-phenyl]-indan-1-yl}-3H-imidazo[4,5-b]pyridine (2.28 g, 81.7%)的产率得到(S)-2-ethyl-5-(2-methoxy-ethyl)-7-methyl-3-{5-[2-(1H-tetrazol-5-yl)-phenyl]-indan-1-yl}-3H-imidazo[4,5-b]pyridine