Isobutylamine → 5-Fluoro-N-[3-(2-(1-methylethyl)-5-{2-[(2-methylpropyl)amino]-4-pyrimidinyl}-1,3-thiazol-4-yl)phenyl]-2-(methyloxy)benzenesulfonamide

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Following a procedure analogous to the procedure described in Example 18, Step B using N-{3-[5-(2-Chloro-4-pyrimidinyl)-2-(1-methylethyl)-1,3-thiazol-4-yl]phenyl}-5-fluoro-2-(methyloxy)benzenesulfonamide (89 mg, 0.171 mmol) and isobutylamine (0.172 mL, 1.715 mmol) the title compound was obtained as a yellow foam (58 mg, 61% yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 10.27 (s, 1H), 7.92 (d, J=5.1 Hz, 1H), 7.36-7.52 (m, 2H), 7.29 (t, J=5.9 Hz, 1H), 7.09-7.26 (m, 4H), 7.06 (d, J=7.5 Hz, 1H), 5.92 (dd, J=6.6, 0.9 Hz, 1H), 3.79 (s, 3H), 3.15-3.27 (m, 1H), 2.99 (d, J=0.9 Hz, 2H), 1.71-1.87 (m, 1H), 1.31 (d, J=6.9 Hz, 6H), 0.82 (d, J=6.7 Hz, 6H). MS (ESI): 556.0 [M+H]+.

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