4-{2-[8-(methylamino)-3-azabicyclo[3.2.1]oct-3-yl]ethoxy}benzonitrile 、
异氰酸乙酯 在
potassium carbonate 作用下,
以
4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran 、
乙腈 为溶剂,
以2.3 g (71.4%)的产率得到N-{3-[2-(4-Cyanophenoxy)ethyl]-3-azabicyclo[3.2.1]oct-8-yl}-N'-ethyl-N-methylurea