反应详情

Treatment of (±)-1-[7-(2-methoxyphenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine (0.296 g, 1.01 mmol) with diisopropylethylamine (1.52 g, 1.5 mmol) and benzyl chloroformate (0.190 g, 1.11 mmol) generally according to the procedure described for Intermediate 12 afforded 0.33 g (84%) (±)-benzyl[7-(2-methoxyphenyl)-2,3-dihydro-1-benzofuran-2-yl]methylcarbamate of a colorless oil Rf=0.72 (silica, ethyl acetate:hexanes 2:8); Anal. calcd. for C24H23NO4: C, 74.02; H, 5.95; N, 3.6. Found: C, 73.68H, 5.81; N, 3.43.