2-[3,3-diphenyl-3-(1H-tetrazol-5-yl)-propyl]-2-aza-bicyclo[2.2.2]octane 、
草酰氯单乙酯 以
吡啶 为溶剂,
以to provide ethyl [1,1-diphenyl-3-(2-azabicyclo[2.2.2]oct-2-yl)propyl]-1,3,4-oxadiazole-2-carboxylate hydrochloride的产率得到5-[3-(2-aza-bicyclo[2.2.2]oct-2-yl)-1,1-diphenyl-propyl]-[1,3,4]oxadiazole-2-carboxylic acid ethyl ester; monohydrochloride