反应详情

The title compound was prepared in the manner analogous to Example 1 using 72A. mp 168° C.; IR (KBr) cm−1: 3084, 3039, 1744, 1708, 1244, 1226; 400 MHz 1H NMR (DMSO-d6): δ 12.95 (br(s), 1H), 7.57-7.67 (m, 2H) 7.37 (dd, 1H, J=8.3, 2.0 Hz), 7.01-7.14 (m, 3H), 6.82-6.89 (m, 2H), 6.56 (d, 1H, J=8.4 Hz), 5.04 (s, 2H), 4.61 (s, 2H), 3.93 (s, 2H), 2.75 (t, 2H, J=7.4 Hz), 2.66 (t, 2H, J=7.4 Hz), 1.88 (pentet, 2H); MS m/z 487 (M−1). Anal. Calc'd for C25H22Cl2O4S: C, 61.35; H, 4.53. found: C, 61.13; H, 4.38.