Triethylamine → N-[4-(1-ethyl-4-{2-[4-(4-morpholinylmethyl)phenyl]-1H-pyrrolo[2,3-b]pyridin-4-yl}-1H-pyrazol-3-yl)phenyl]-4-thiomorpholinecarboxamide 1,1-dioxide

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To a solution of 4-(1-ethyl-4-{2-[4-(4-morpholinylmethyl)phenyl]-1H-pyrrolo[2,3-b]pyridin-4-yl}-1H-pyrazol-3-yl)aniline (0.25 mmol) in anhydrous THF (2 mL) cooled to 5° C., was added triethylamine (4 mmol) and isopropenyl chloroformate (0.5 mmol). The reaction mixture was stirred overnight at room temperature. Thiomorpholine 1,1-dioxide (2.5 mmol) was added and the reaction heated at 50° C. for three days. The crude reaction was purified by reverse phase chromatography to give the title product (30%). ESMS [M+H]+: 640.0.

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