rac-N-(3-{[2-((1R*,2R*,4R*)-2-hydroxy-5-phenylbicyclo[2.2.2]oct-5-en-2-yl)ethyl]methylamino}propyl)-3-methoxy-2-methoxymethyl-2-methylpropionamide 、
乙醚溴化镁 、
异丁酸酐 在
碳酸氢钠 、
二氯甲烷 、
Sodium sulfate-III 、 crude material 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
以to yield 22 mg of rac-isobutyric acid (1R*,2R*,4R*)-2-(2-{[3-(3-methoxy-2-methoxymethyl-2-methyl-propionylamino)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-yl ester as a yellowish oil的产率得到rac-isobutyric acid (1R*,2R*,4R*)-2-(2-{[3-(3-methoxy-2-methoxymethyl-2-methyl-propionylamino)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-yl ester