反应详情

The title compound was prepared in the manner analogous to Example 1 using 65A. mp 153-155° C.; IR (KBr) cm−1: 3117, 3028, 1731, 1512, 1471, 1231; 400 MHz 1H NMR (DMSO-d6): δ 12.94 (br(s), 1H), 7.39-7.47 (m, 2H), 7.01-7.20 (m, 5H); 6.82-6.89 (m, 2H) 6.56 (d, 1H, J=8.4 Hz), 4.99 (s, 2H), 4.61 (s, 2H), 3.94 (s, 2H), 2.75 (t, 2H, J=7.5 Hz), 2.67 (t, 2H, J=7.5 Hz), 1.89 (pentet, 2H); MS m/z 437 (M−1). Anal. Calc'd for C25H23FO4S: C, 68.48; H, 5.29. found: C, 68.24; H, 5.15.