(S)-((R)-quinuclidin-3-yl) 2-(benzo[b]thiophen-3-yl)-2-(phenylamino)acetate 、
alpha-氯乙酰苯 在
acetonitrile-water 作用下,
以
乙腈 为溶剂,
反应 24.0h,
以to obtain (R)-3-((S)-2-(benzo[b]thiophen-3-yl)-2-(phenylamino)acetoxy)-1-(2-oxo-2-phenylethyl)-1-azoniabicyclo[2.2.2]octane chloride (102 mg, 31.8% yield)的产率得到(R)-3-((S)-2-(benzo[b]thiophen-3-yl)-2-(phenylamino)acetoxy)-1-(2-oxo-2-phenylethyl)-1-azoniabicyclo[2.2.2]octane chloride