2-bromomethyl-2,3-dihydro-2,4,6,7-tetramethyl-5-benzofuranamine 、
4-[(9-fluorenyl)oxy]piperidine 以to provide 2-[[4-[(9-fluorenyl)oxy]-1-piperidinyl]methyl]-2,3-dihydro-2,4,6,7-tetramethyl-5-benzofuranamine的产率得到2-[[4-[(9-fluorenyl)oxy]-1-piperidinyl]methyl]-2,3-dihydro-2,4,6,7-tetramethyl-5-benzofuranamine