N1-(3-Fluoro-4-(2-(1-methyl-1H-imidazol-2-yl)thieno[3,2-b]pyridin-7-yloxy)phenyl)-N3-(2-methoxyphenyl)malonamide → N1-(4-(2-(1-ethyl-1H-imidazole-4-carbonyl)thieno[3,2-b]pyridin-7-yloxy)-3-fluorophenyl)-N3-(2-methoxyphenyl)malonamide

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Reaction Steps

Following the procedure described above for the compound 28a (example 8, step 2) but replacing amine 9 for amine 15, title compound 28b was obtained in 69% yield. 1H NMR (DMSO-d6) δ (ppm): 10.78 (s, 1H), 9.62 (s, 1H), 8.66 (d, 1H), 8.37 (broad, s, 1H), 8.33 (s, 1H), 8.05 (dd, 1H), 7.94 (s, 1H), 7.92 (dd, 1H), 7.55 (t, 1H), 7.47 (dd, 1H), 7.07 (m, 2H), 6.96 (d, 1H), 6.89 (m, 1H), 4.13 (q, 2H), 3.84 (s, 2H), 1.42 (t, 3H). MS (m/z): 546.0 (M+H).

Provenance & Evidence