Hydrochloric Acid → 6-[2-(piperazin-1-yl)ethyl]-3,4-dihydro-1H-isochromen-1-one hydrochloride

Participants

Reaction Steps

tert-Butyl-4-[2-(1-oxo-3,4-dihydro-1H-isochromen-6-yl)ethyl]piperazine-1-carboxylate (2.24 g, 6.21 mmol) was treated with 4 M HCl in dioxane (Aldrich, 90 mL) and the resulting mixture was stirred at room temperature for 40 minutes. The reaction mixture was then concentrated to afford the title compound. LCMS: m/z 261 (M+1)+.

Provenance & Evidence