Tetrahydrofuran → N-(5-(3-(4-Amino-6-methyl-1,3,5-triazin-2-YL)pyridin-2-ylamino)-2-chloropyridin-3-YL)morpholine-4-sulfonamide

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To a 15 mL RB flask was added N-(5-amino-2-chloropyridin-3-yl)morpholine-4-sulfonamide (0.065 g, 0.222 mmol), 4-(2-fluoropyridin-3-yl)-6-methyl-1,3,5-triazin-2-amine (0.055 g, 0.266 mmol), and DMF (3.0 mL). The mixture was cooled to 0° C. under N2. sodium bis(trimethylsilyl)amide, 1.0 m in THF (Aldrich) (0.888 mL, 0.888 mmol) was added to the solution in one portion. The now dark brown mixture was stirred at 0° C. for 10 min then warmed up to rt and stirred for 1 h. The reaction mixture was quenched with sat. NH4Cl and extracted with CHCl3 (3×10 mL). The combined organic layers were dried over MgSO4 and concentrated. The crude product was purified by column chromatography (24 g, 3% MeOH in DCM) to afford the desired product as a yellow solid (42.0 mg). MS (ESI pos. ion) m/z: 478.0. 1H NMR (300 MHz, DMSO-d6) δ ppm 2.45 (s, 3H) 3.15 (br. s., 4H) 3.61 (br. s., 4H) 7.03 (dd, J=7.53, 4.60 Hz, 1H) 7.79 (br. s., 1H) 7.91 (br. s., 1H) 8.38 (d, J=3.36 Hz, 1H) 8.51 (s, 1H) 8.82 (d, J=5.41 Hz, 2H) 9.78 (s, 1H) 12.26 (s, 1H).

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