3β-(4-thiophen-3-yl-phenyl)tropane-2β-carboxylic acid 、
2-(4-aminomethylphenyl)ethylamine 在
(benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
三乙胺 作用下,
以
二氯甲烷 为溶剂,
以34%的产率得到1-[3β-(4-thiophen-3-yl-phenyl)tropane-2β-carbonylamino]-2-[1-[3β-(4-thiophen-3-yl-phenyl)tropane-2β-carbonylaminomethyl]benzen-4-yl]ethane