1-[(5-Amino-2,3-dihydro-2,4,6,7-tetramethylbenzofuran-2-yl)methyl]-N-(diphenylmethyl)-4-piperidineamine 、
盐酸 在
trihydrochloride 、
乙醇乙醚 作用下,
以
乙醇 为溶剂,
以to provide 2.5 g of the title compound的产率得到1-[(5-Amino-2,3-dihydro-2,4,6,7-tetramethylbenzofuran-2-yl)methyl]-N-(diphenylmethyl)-4-piperidinamine trihydrochloride