Hydrochloric Acid → N-[5-(Piperidin-4-ylamino)-pyridin-2-yl]-acetamide dihydrochloride

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Reaction Steps

A solution of 4-(6-acetylamino-pyridin-3-ylamino)-piperidine-1-carboxylic acid tert-butyl ester (1.20 g, 3.59 mmol) in dioxane (20 mL) and 4 M HCl in dioxane (20 mL) was stirred at rt for 2 h. The solvent was removed under reduced pressure and the crude product used in the consecutive step without further purification assuming quantitative deprotection and formation of the dihydrochloride salt. MS (ISP): 235.3 [M+H]+.

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