(R)-quinuclidin-3-yl 2-phenyl-2-(vinyloxycarbonylamino)acetate 、
2-溴苯乙酮 在
ethyl acetate diisopropyl ether 作用下,
以
乙酸乙酯 、
乙腈 为溶剂,
反应 15.0h,
以to obtain (3R)-1-(2-oxo-2-phenylethyl)-3-(2-phenyl-2-(vinyloxycarbonylamino)-acetoxy)-1-azoniabicyclo[2.2.2]octane bromide (82.4 mg; 73% yield)的产率得到(3R)-1-(2-oxo-2-phenylethyl)-3-(2-phenyl-2-(vinyloxycarbonylamino)acetoxy)-1-azoniabicyclo[2.2.2]octane bromide