反应详情

90 g (0.39 mol) of ethyl N-(but-2-enyl)-N-(2,2-dimethoxyethyl)-carbamate are heated under reflux with 200 ml of formic acid for one hour. The mixture is poured onto 500 g of ice and extracted with methylene chloride, the organic phases are washed with sodium bicarbonate solution, dried over magnesium sulphate and concentrated and the residue is distilled.

1. extractionextracted with methylene chloride
2. washthe organic phases are washed with sodium bicarbonate solution
3. dry with materialdried over magnesium sulphate
4. concentrationconcentrated
5. distillationthe residue is distilled