反应详情

15.8 g (100 mmol) of ethyl 4-acetyl-butanoate and 6 g (100 mmol) of anhydrous N,N-dimethyl hydrazine in 50 ml of toluene containing 0.1 ml of trifluoroacetic acid were heated at 70° C. for 5 hours. The mixture was then washed 20 with water, dried over anhydrous sodium sulfate and evaporated to give 12.3 g (79% yield) of the title compound.

1. washThe mixture was then washed 20 with water
2. dry with materialdried over anhydrous sodium sulfate
3. customevaporated