反应详情

Treatment of (±)-1-[7-(2,6-difluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine (1.54 g, 5.17 mmol) with diisopropylethylamine (1.02 g, 7.76 mmol) and benzyl chloroformate (0.971 g, 5.69 mmol) generally according to the procedure described for Intermediate 12 gave 2.02 g (98%) of (±)-benzyl {[7-(2,6-difluorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}carbamate as a colorless oil. Anal. calcd. for C23H19F2NO3: C, 69.87; H, 4.84; N, 3.54. Found C, 69.54; H, 4.87; N, 3.31.