Potassium Hydroxide → 4-(4-(1H-indazol-6-ylamino)-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)benzenesulfonamide

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To a solution of 4-(4-(1H-indazol-6-ylamino)-7-tosyl-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)benzenesulfonamide (105 mg, 0.18 mmol) in dioxane (5 mL), aq. 1N KOH (1.50 mL, 1.50 mmol) was added. The mixture was then heated at 70° C. for 4 h. before it was concentrated in vacuo. The residue was then acidified with acetic acid (HOAc) (2.0 mL) and purified by HPLC to give the title compound (15 mg). MS 421.1 (M+H) (Compound 11-1).

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