反应详情

To the obtained 4-(7-chloro-2H-benzopyran-3-sulfonyl)-1-[1-(4-pyridyl)piperidin-4-ylmethyl]-2-piperazinone (608 mg) was added a solution of hydrochloric acid in ethyl acetate to give colorless solid of the title compound (480 mg) as hydrochloride salt.