2,6-Difluorobenzenesulfonyl chloride → N-{3-[5-(2-Chloropyrimidin-4-yl)-2-(morpholin-4-yl)-1,3-thiazol-4-yl]-2-methoxyphenyl}-2,6-difluorobenzene-1-sulfonamide

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Following a procedure analogous to the procedure described in Intermediate 14 using 3-(5-(2-chloropyrimidin-4-yl)-2-morpholinothiazol-4-yl)-2-methoxyaniline (26.1 g, 64.7 mmol) and 2,6-difluorobenzene-1-sulfonyl chloride (13.8 g, 64.7 mmol) the title compound of Step C was obtained (10.2 g, 27.2% yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.23 (d, J=5.5 Hz, 1H), 7.62-7.71 (m, 1H), 7.38-7.45 (m, 1H), 7.15-7.30 (m, 4H), 6.40 (d, J=5.5 Hz, 1H), 3.67-3.78 (m, 4H), 3.50-3.61 (m, 4H), 3.18 (s, 3H). MS (ES+): 580 [M+H]+.

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