反应详情

To an ice-cooled solution of 3-(trifluoromethyl)aniline (64.5 g, 0.40 mol) and triethylamine (60 ml) in acetone (700 ml) was added dropwise, ethyl 3-chloro-3-oxopropanoate (63.6 g, 0.42 mol) in acetone (50 ml). After the addition (approx. 30 minutes) stirring was continued at room temperature overnight. The solvents were removed and water (1200 ml) was added. The resulting precipitate was filtered off, thoroughly washed twice with water and then dried to afford the title compound as yellow powder (109 g, 99%).

1. additionwas added dropwise
2. additionAfter the addition (approx. 30 minutes)
3. customThe solvents were removed
4. additionwater (1200 ml) was added
5. filtrationThe resulting precipitate was filtered off
6. washthoroughly washed twice with water
7. customdried