(R)-((R)-quinuclidin-3-yl) 2-phenyl-2-(phenylamino)-acetate 、
alpha-氯乙酰苯 在
methanol-dichloromethane 作用下,
以
乙酸乙酯 为溶剂,
反应 48.0h,
以to get 10.1 g of the title compound as a white solid (56% yield, chloride salt, single diastereoisomer)的产率得到(R)-1-(2-oxo-2-phenyl-ethyl)-3-((R)-2-phenyl-2-phenylamino-acetoxy)-1-azonia-bicyclo[2.2.2]octane chloride