2-tetrahydropyranyl 4-aminobicyclo[2.2.2]octane-1-carboxylate 、
(2S,4S)-1-(bromoacetyl)-4-fluoropyrrolidine-2-carbonitrile 以to obtain (2S,4S)-1-[[N-[4-(2-tetrahydropyranyl)oxycarbonylbicyclo[2.2.2]oct-1-yl]amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile (73.3 mg)的产率得到(2S,4S)-1-[[N-[4-(2-tetrahydropyranyl)oxycarbonyl bicyclo[2.2.2]oct-1-yl]amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile