2-Bromoethyl-2,3-dihydro-2,4,6,7-tetramethyl-5-benzofuranamine 、
N-benzyl-N-(3,3-diphenylpropyl)-4-piperidinamine 以to provide 1-[(5-amino-2,3-dihydro-2,4,6,7-tetramethylbenzofuran-2-yl)methyl]-N-benzyl-N-(3,3-diphenylpropyl)-4-piperidinamine的产率得到1-[(5-amino-2,3-dihydro-2,4,6,7-tetramethylbenzofuran-2-yl)methyl]-N-benzyl-N-(3,3-diphenylpropyl)-4-piperidinamine