反应详情

The title compound was prepared in the manner analogous to example 24 using {6-[3-(4-trifluoromethyl-benzyloxy)-benzyloxy]-benzofuran-3-yl}-acetic acid methyl ester and lithium hydroxide. mp 155–157° C.; IR (thin film) cm−1: 1722, 1585, 1492, 1319, 1157, 1114; 400 MHz 1H NMR (DMSO-d6) 12.39 (br s, 1H), 7.69–7.71 (m, 3H), 7.62 (d, 2H, J=8.1 Hz), 7.41 (d, 1H, J=8.5 Hz), 7.26 (t, 1H, J=7.9 Hz), 7.18 (d, 1H, J=2.2 Hz), 7.08–7.09 (m, 1H), 7.00 (d, 1H, J=7.8 Hz), 6.88–6.94 (m, 2H), 5.19 (s, 2H), 5.08 (s, 2H), 3.58 (s, 2H); MS m/z 455 (M−1). Anal. Calc'd for C25H19F3O5: C, 65.79; H, 4.20; found: C, 65.60; H, 4.08.