Hydrochloric Acid → 1-(3-Nitropyridin-2-yl)piperidin-4-amine hydrochloride

Participants

Reaction Steps

A solution of 4 N hydrochloric acid in dioxane (10 ml) was added to tert-butyl [1-(3-nitropyridin-2-yl)piperidin-4-yl]carbamate (Intermediate 38; 1.3 g, 4.2 mmol). The mixture was stirred at room temperature for 1 h under nitrogen gas. The solvent was removed in vacuo to give the title compound as a yellow powder (500 mg).

Provenance & Evidence