反应详情

Prepared in a similar manner to example 4 using 5-methoxybenzofuran-2-carboxylic acid and 5-methylhexan-3-amine (example 5a). Yield: 67%. 1H NMR (500 MHz, CDCl3): δ 0.96 (m, 9H); 1.39-1.52 (m, 3H); 1.66 (m, 2H); 3.85 (s, 3H); 4.17 (m, 1H); 6.24 (d, 1H); 7.01 (dd, 1H); 7.08 (d, 1H); 7.38 (m, 2H). MS (290, M+H).