4-(2-bromoethyl)-1,2-bis(difluoromethoxy)benzene 、 4-cyano-N-[2-(9-oxa-3,7-diazabicyclo[3.3.1]non-3-yl)ethyl]benzenesulfonamide 在
potassium carbonate 作用下,
生成 N-{2-(7-[2-(3,4-bis(difluoromethoxy)phenyl)ethyl]-9-oxa-3,7-diazabicylo-[3.3.1]non-3-yl )ethyl}-4-cyanobenzenesulfonamide