反应详情

To a mixture of 0.6 g of 3-ethyl-4-[3-(4-trifluoromethoxyphenoxy)propyloxy]-5-methylphenol, 0.22 g of potassium carbonate and 10 ml of N,N-dimethylformamide was added dropwise a solution of 0.31 g of 1,1,3-trichloro-1-propene dissolved in 5 ml of N,N-dimethylformamide, while stirring at room temperature. After stirring at room temperature for 12 hours, the reaction mixture was poured into ice-water, and extracted twice with 100 ml of diethyl ether. The combined ether layer was washed with water, dried with anhydrous magnesium sulfate, and concentrated to obtain a crude product. The crude product was subjected to silica gel chromatography, which afforded 0.5 g of 3-ethyl-4-[3-(4-trifluoromethoxyphenoxy)propyloxy]-5-methyl-1-(3,3-dichloro-2-propenyloxy)benzene (71% yield), nD23.5 1.5150.

1. stirringAfter stirring at room temperature for 12 hours
2. extractionextracted twice with 100 ml of diethyl ether
3. washThe combined ether layer was washed with water
4. dry with materialdried with anhydrous magnesium sulfate
5. concentrationconcentrated
6. customto obtain a crude product