反应详情

Hydroxyacetaldehyde diethylacetal (3.75 g) was added to sodium hydride (0.8 g, 80% in mineral oil) in tetrahydrofuran (100 ml) under an atmosphere of nitrogen. The mixture was stirred and bromoacetaldehyde diethyl acetal (5.0 g) and potassium iodide (0.1 g) were added. The mixture was heated to reflux for 16 hours, water added and evaporated under reduced pressure. The residue was dissolved in diethyl ether, the organic phase washed with water, dried (MgSO4) and evaporated under reduced pressure to give bis(2,2-diethoxyethyl)ether, 3.43 g, as a yellow oil.

1. temperatureThe mixture was heated
2. temperatureto reflux for 16 hours
3. customevaporated under reduced pressure
4. dissolutionThe residue was dissolved in diethyl ether
5. washthe organic phase washed with water
6. dry with materialdried (MgSO4)
7. customevaporated under reduced pressure