反应详情

Following the procedure described above for the synthesis of compound 137a (scheme 25, example 97) but substituting compound 135b for the compound 158, title compound 159 was obtained in 21% yield. 1H NMR (400 MHz, DMSO-d6) δ ppm: 12.48(s, 1H), 11.84 (s, 1H), 9.26(bs, 1H), 8.62(d, J=5.6 Hz, 1H), 8.05(d, J=12.0 Hz, 1H), 7.94 (s, 1H), 7.81(d, J=8.8 Hz, 2H), 7.62-7.55 (m, 2H), 7.37-7.31 (m, 4H), 7.31-7.24 (m, 1H), 7.10(d, J=8.8 Hz, 2H), 6.85(d, J=5.6 Hz, 1H), 3.83 (s, 2H), 3.58-3.51 (m, 4H), 3.26-3.18 (m, 4H). LRMS (M+1) 597.2 (100%).