反应详情

A 1 M NaOH (4.5 ml, 4.5 mmol) was added to a solution of 3,4-bis(tetrahydro-2H-pyran-4-yl)furan-2,5-dione (600 mg, 2.25 mmol) in 1,4-dioxane (4.5 ml) at room temperature, and the mixture was stirred for 24 hr. The reaction mixture was concentrated, and the residue was dried in vacuo to give the title compound as a colorless solid (0.7 g, quantitative).

1. concentrationThe reaction mixture was concentrated
2. customthe residue was dried in vacuo