tert-butyl 9-oxa-3,7-diazabicyclo[3.3.1]nonane-3-carboxylate 、
N-(2-bromoethyl)-N-[2-(4-cyanophenoxy)ethyl]methanesulfonamide 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
以46%的产率得到7-(2-{[2-(4-cyanophenoxy)ethyl]methanesulfonylamino}ethyl)-9-oxa-3,7-diazabicyclo[3.3.1]nonane-3-carboxylic acid tert-butyl ester