(R)-quinuclidin-3-yl 2-phenyl-2-(pyrrolidin-1-yl)acetate 、
alpha-氯乙酰苯 在
methanol-dichloromethane 作用下,
以
乙酸乙酯 为溶剂,
反应 84.0h,
以to obtain (3R)-1-(2-oxo-2-phenylethyl)-3-(2-phenyl-2-(pyrrolidin-1-yl)acetoxy)-1-azoniabicyclo[2.2.2]octane chloride (44 mg, 57.8% yield) as a yellow vitreous solid的产率得到(3R)-1-(2-oxo-2-phenylethyl)-3-(2-phenyl-2-(pyrrolidin-1-yl)acetoxy)-1-azoniabicyclo[2.2.2]octane chloride