反应详情

The title compound was prepared by hydrolysis of the compound of Example 308 under basic condition (aq. NaOH/EtOH). 1H NMR (DMSO-d6, 300 MHz) δ 1.10-1.40 (m, 2H), 1.60 (m, 1H), 1.76-1.96 (m, 3H), 2.88 (m, 1H), 3.98 (m, 1H), 3.98 (m, 1H), 4.30 (m, 4H), 6.72 (d, J=8.0 Hz, 1H), 7.02 (m, 3H), 7.30 (m, 2H), 7.48 (m, 1H), 7.92 (m, 1H). MS (ESI) m/z 458 (M+H)+. Anal. calcd. for C23H21ClNO5SNa: C, 55.76; H, 4.58; N, 2.83. Found: C, 55.76; H, 4.78; N, 2.63.