Acetic Acid → 1-methyl-6-(phenylsulfonyl)-6H-pyrrolo[2,3-e][1,2,4]triazolo[4,3-a]pyridine-7-carboxylic acid

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Reaction Steps

A solution of di-tert-butyl 1-[2-(tert-butoxycarbonyl)-1-(phenylsulfonyl)-1H-pyrrolo[3,2-b]pyridin-5-yl]hydrazine-1,2-dicarboxylate (0.430 g, 0.730 mmol, from Step 2) in AcOH (7 mL) was heated in the microwave to a temperature of 180° C. for 3 minutes. The solid product was isolated by filtration and air dried, and used without further purification. Yield: (0.106 g, 41%). LCMS (M+H)+: 357.1.

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