Hydrochloric Acid → [2-(2,6-Dichloro-benzyl)-thiazolo[5,4-d]pyrimidin-7-yl]-(4-trifluoromethyl-phenyl)-amine

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To a solution of 7-chloro-2-(2,6-dichloro-benzyl)-thiazolo[5,4-d]pyrimidine (45.0 mg, 0.15 mmol) and 4-trifluoromethyl-phenylamine (23 mg, 0.15 mmol) in isopropanol (IPA) (2 mL) was added 1.25 M HCl in IPA (0.26 mL, 0.32 mmol). The resulting solution was heated in a sealed tube to 90° C. After 12 h, the solution was cooled and purified by preparative reverse-phase HPLC to afford the title compound as a colorless solid (50 mg, 74%). MS (ESI): mass calcd. for C19H11Cl2F3N4S, 454.0; m/z found, 455.0 [M+H]+. 1H NMR ((CD3)2SO): 10.46 (s, 1H), 8.58 (s, 1H), 8.19 (d, J=8.5 Hz, 2H), 7.71 (d, J=8.7 Hz, 2H), 7.62 (d, J=8.1 Hz, 2H), 7.47 (dd, J=8.5, 7.8 Hz, 1H), 4.82 (s, 2H).

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