(rac)-6-bromo-2,3-dihydrobenzo[b]thiophen-3-ylamine 、
Boc-1-氨基环丙基甲酸 以to give [1-((rac)-6-bromo-2,3-dihydro-benzo[b]thiophen-3-ylcarbamoyl)-cyclopropyl]-carbamic acid tert-butyl ester, which的产率得到[1-((rac)-6-bromo-2,3-dihydrobenzo[b]thiophen-3-ylcarbamoyl)cyclopropyl]carbamic acid tert-butyl ester