Hydrochloric Acid → 1-(5-Methyl-1,2,4-oxadiazol-3-yl)piperazine hydrochloride

Participants

Reaction Steps

To a solution of tert-butyl 4-(5-methyl-1,2,4-oxadiazol-3-yl)piperazine-1-carboxylate (507 mg, 1.890 mmol) in diethyl ether (12 mL) was added HCl, 4N in dioxane (7 mL, 28.0 mmol) and the reaction was stirred at room temperature over the weekend. The precipitate was isolated by filtration, washed with diethylether and dried under reduced pressure after which 330 mg of a white solid were obtained (1.612 mmol, 85%). MS (ESI) m/z=169.2 [M+1]+.

Provenance & Evidence