(3-acetyl-phenylamino)-phenyl-acetic acid (R)-(1-aza-bicyclo[2.2.2]oct-3-yl) ester 、
2-溴苯乙酮 在
乙酸乙酯 、
methanol-dichloromethane 作用下,
以
乙酸乙酯 为溶剂,
反应 2.0h,
以obtaining the title compound as a white-foam (77.7 mg, 40% yield, formate salt, mixture of diastereoisomers)的产率得到(R)-3-[2-(3-acetyl-phenylamino)-2-phenyl-acetoxy]-1-(2-oxo-2-phenylethyl)-1-azonia-bicyclo[2.2.2]octane formate