N-[2-(benzylamino)ethyl]-2-phenylacetamide 、
[3-(2-Bromoacetyl)-5-(2-cyclopentylacetyl)oxyphenyl] 2-cyclopentylacetate 以
1,4-二氧六环 为溶剂,
生成 [3-[2-[benzyl-[2-[(2-phenylacetyl)amino]ethyl]amino]acetyl]-5-(2-cyclopentylacetyl)oxyphenyl] 2-cyclopentylacetate