Hydrochloric Acid → N-(1-methylethyl)-2-[(5-methyl-2-{[3-(4-methyl-2-oxo-1-piperazinyl)phenyl]amino}-4-pyrimidinyl)amino]benzamide

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2-[(2-Chloro-5-methyl-4-pyrimidinyl)amino]-N-(1-methylethyl)benzamide (103 mg, 0.337 mmol) and 1-(3-aminophenyl)-4-methyl-2-piperazinone (68.8 mg, 0.335 mmol) were stirred at 95° C. overnight in isopropanol (10 mL) with 12 N HCl (0.056 mL, 0.673 mmol). The reaction was cooled to room temperature and the solid was filtered off and washed with isopropanol. The solid was chromatographed using reverse phase HPLC eluting with 5-30% acetonitrile containing 0.1% formic acid to give a white solid (43 mg, 27%) after lyophilozation of the combined HPLC fractions. MS: M(C26H31N7O2)=473.57, (M+H)+=473.8.

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