(6-Fluoro-5-methylpyridin-3-yl)boronic acid → [7-(6-Fluoro-5-methyl-pyridin-3-yl)-pyrrolo[2,1-f][1,2,4]triazin-2-yl]-[4-(4-methyl-piperazin-1-yl)-phenyl]-amine

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[7-(6-Fluoro-5-methyl-pyridin-3-yl)-pyrrolo[2,1-f][1,2,4]triazin-2-yl]-[4-(4-methyl-piperazin-1-yl)-phenyl]-amine was prepared from (7-bromo-pyrrolo[2,1-f][1,2,4]triazin-2-yl)-[4-(4-methyl-piperazin-1-yl)-phenyl]-amine and 2-fluoro-3-methylpyridine-5-boronic acid in an analogous manner to Example 1031b. Product isolated as a yellow solid (66 mg, 56%). m.p.=210° C.; LCMS (m/e) 418 (M+H); 1H-NMR (CDCl3, 400 MHz) δ 8.71 (s, 1H), 8.61-8.53 (m, 2H), 7.52-7.45 (m, 2H), 6.99-6.92 (m, 3H), 6.82 (d, 1H, J=4.8 Hz), 6.66 (bs, 1H), 3.22-3.16 (m, 4H), 2.63-2.57 (m, 4H), 2.37 (s, 3H), 2.37 (s, 3H).

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