反应详情

The title compound was prepared in the manner analogous to Example 1 using 58A. mp 164° C.; IR (KBr) cm−1: 3062, 1727, 1612, 1493, 1226, 1193; 400 MHz 1H NMR (DMSO-d6): δ 12.99 (br(s), 1H), 7.36-7.44 (m, 4H), 7.01-7.17 (m, 4H), 6.81-6.89 (m, 2H), 6.69 (d, 1H, J=8.5 Hz), 5.01 (s, 2H), 4.61 (s, 2H), 4.00 (s, 2H), 2.08 (s, 3H); MS m/z 427 (M−1). Anal. Calc'd for C23H21ClO4S: C, 64.40; H, 4.93. found: C, 64.43; H, 4.81.