C-(7-p-tolyl-2,3-dihydro-benzofuran-2-yl)-methylamine 、
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 5.05 g (56%) of (±)-benzyl{[7-(4-methylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}carbamate as a clear oil的产率得到(+/-)-benzyl {[7-(4-methylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}carbamate