(4-methyl-benzylamino)-phenyl-acetic acid (R)-(1-aza-bicyclo[2.2.2]oct-3-yl) ester 、
2-氯乙酰噻吩 在
methanol-dichloromethane 作用下,
以
乙酸乙酯 为溶剂,
反应 32.0h,
以to afford the title compound as a pale yellow oil (42 mg, 36% yield, formate formate anion, mixture of diastereoisomers)的产率得到(R)-3-[2-(4-methyl-benzylamino)-2-phenyl-acetoxy]-1-(2-oxo-2-thiophen-2-yl-ethyl)-1-azonia-bicyclo[2.2.2]octane formate formate