反应详情

Starting from the amine 9 and following the procedure described above for the compound 28a (example 8, step 2) but substituting acid 27 for the acid 29, title compound 30a was obtained as a white solid in 5% yield. 1H NMR (DMSO-d6) δ (ppm): 10.56 (s, 1H), 10.04 (s, 1H), 8.50 (d. 1H), 7099-7.95 (m, 1H), 7.88 (s, 1H), 7.86 (dd, 1H), 7.50 (t, 2H) 7.42 (dd, 1H), 7.40 (s, 1H), 7.29-7.24 (m, 1H), 7.17-7.14 (m, 1H), 7.03 (s, 1H), 6.69 (d. 1H), 4.00 (s, 3H), 3.64 (s, 2H). MS (m/z): 520.1 (M+H).