(+/-)-{[7-(2,4,6-trichlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}amine 、
N,N-二异丙基乙胺 、
氯甲酸苄酯 、 (+/-)-Benzyl(7-cyclopentyl-2,3-dihydro-1-benzofuran-2-yl)methylcarbamate 以provided 1.6 g (99%) of (±)-benzyl{[7-(2,4,6-trichlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}carbamate as a colorless oil的产率得到(+/-)-benzyl {[7-(2,4,6-trichlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}carbamate