反应详情

The title compound was prepared in the manner analogous to Example 1 using 79C. mp 145-146° C.; IR (KBr) cm−1: 3076, 3028, 1705, 1318, 1232, 1109; 400 MHz 1H NMR (DMSO-d6): δ 12.94 (br(s), 1H), 7.71 (d, 2H, J=8.2 Hz), 7.59 (d, 2H, J=8.0 Hz), 7.10-7.19 (m, 1H), 7.05 (d, 1H, J=8.5 Hz), 6.75-6.86 (m, 4H), 6.58 (d, 1H, J=8.5 Hz), 5.08 (s, 2H), 4.61 (s, 2H), 3.95 (s, 2H), 2.75 (t, 2H, J=7.5 Hz), 2.64 (t, 2H, J=7.5 Hz), 1.88 (pentet, 2H); MS m/z 487 (M−1). Anal. Calc'd for C26H23F3O4S: C, 63.92; H, 4.75. found: C, 63.78; H, 4.53.