4-(2-Methylbutan-2-yl)benzene-1-sulfonyl chloride → n-(4-Chloro-2-[1,2,3]triazolo[4,5-b]pyridin-1-yl-phenyl)-4-(1,1-dimethyl-propyl)-benzenesulfonamide

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A 4 mL scintillation vial was charged with 4-chloro-2-[1,2,3]triazolo[4,5-b]pyridin-1-yl-phenylamine (100 mg, 0.363 mmol), 4-(1,1-dimethyl-propyl)-benzenesulfonyl chloride (98 g, 0.399 mmol), and pyridine (1 mL). The resultant solution was stirred 4 hours at 80° C. and then partitioned with EtOAc/1 M HCl. The organics were subsequently washed with 1 M HCl, saturated aqueous sodium bicarbonate, and brine; dried over anhydrous sodium sulfate; and removed in vacuo. The resultant residue was then purified via automated silica gel chromatography to afford the desired sulfonamide: MS (ES) M+H expected 456.2, found 456.3.

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