反应详情

Starting from the compound 202 and following the procedure described above for the compound 163a (scheme 31), title compound 203 was obtained in 30% yield. 1H NMR (400 MHz, DMSO-d6) δ ppm: 12.38 (s, 1H), 11.73 (s, 1H), 8.47 (d, 1H, J=5.5 Hz), 7.90 (s, 1H), 7.79 (s, 2H, J=9.0), 7.36 (d, 2H, J=9.0 Hz), 7.43-7.27 (m, 7H), 7.05 (d, 2H, J=9.0 Hz), 6.63 (d, 1H, J=5.3 Hz), 4.15 (t, 2H, J=5.6 Hz), 3.82 (s, 2H), 3.58 (t, 4H, J=4.6 Hz), 2.71 (t, 2H, J=5.7 Hz), 2.51-2.46 (m, 4H). LRMS (M+1) 625.2 (100%).