(R)-quinuclidin-3-yl 2-(4-carbamoylpiperidin-1-yl)-2-phenylacetate 、
alpha-氯乙酰苯 在
methanol-dichloromethane 作用下,
以
乙酸乙酯 、
乙腈 为溶剂,
反应 72.0h,
以to obtain (3R)-3-(2-(4-carbamoylpiperidin-1-yl)-2-phenylacetoxy)-1-(2-oxo-2-phenylethyl)-1-azoniabicyclo[2.2.2]octane chloride (34 mg, 33.3% yield) as a pale yellow solid的产率得到(3R)-3-(2-(4-carbamoylpiperidin-1-yl)-2-phenylacetoxy)-1-(2-oxo-2-phenylethyl)-1-azoniabicyclo[2.2.2]octane chloride