反应详情

The title compound was prepared in the manner analogous to Example 1 using 69A. mp 145-147° C.; IR (KBr) cm−1:3066,2584, 1742, 1511, 1234; 400 MHz 1H NMR (DMSO-d6): δ 12.94 (br(s), 1H), 7.21-7.44 (m, 5H), 6.99-7.15 (m, 3H) 6.80-6.90 (m, 2H), 6.56 (d, 1H, J=8.3 Hz), 5.01 (s, 2H), 4.61 (s, 2H), 3.93 (s, 2H), 2.75 (t, 2H, J=7.3 Hz), 2.67 (t, 2H, J=7.3 Hz), 1.89 (pentet, 2H); MS m/z 419 (M−1). Anal. Calc'd for C25H24O4S: C, 71.40; H, 5.75. found: C, 71.46; H, 5.75.