反应详情

This material was prepared from 2-ethyl-6-[2-(3-methoxypyrrolidine-1-carbonyl)-thieno[3,2-b]pyridin-7-yloxy]benzofuran-3-carboxylic acid methylamide 14 by treatment with BBr3 in a manner as previously described for 1d. 1H NMR (DMSO-d6) δ 8.56 (1H, d, J=5.3 Hz), 8.07(1H, s), 8.00 (1H, d, J=4.1 Hz), 7.82 (1H, d, J=8.6 Hz), 7.68 (1H, d, J=2.0 Hz), 7.25 (1H, dd, J=8.6, 2.0 Hz), 6.73 (1H, d, J=5.3 Hz), 5.07 (1H, t, J=3.5 Hz), 4.35 (1H, m), 3.97 (1H, m), 3.86–3.46 (3H, m), 3.03 (2H, q, J=7.6 Hz), 2.80 (3H, d, J=4.5 Hz), 2.10–1.80 (2H, m), 1.27 (3H, t, J=7.6 Hz).