反应详情

To a solution of a sodium salt, prepared from 0.69 g of 2,4,5-trichloroimidazole and 0.16 g of 60% oil-based sodium hydride, in 5 ml of N,N-dimethylformamide was added dropwise 0.63 g of 4-chlorobutoxymethyl chloride at room temperature. After stirring at room temperature for 3 hours, 50 ml of water was added to the reaction mixture which was then extracted with three 30-ml portions of ether. The ether layer was dried over magnesium sulfate and concentrated. The oily product obtained was purified by column chromatography on silica gel to obtain 0.83 g of 1-(4-chlorobutoxymethyl)-2,4,5-trichloroimidazole.

1. extractionwas then extracted with three 30-ml portions of ether
2. dry with materialThe ether layer was dried over magnesium sulfate
3. concentrationconcentrated
4. customThe oily product obtained
5. customwas purified by column chromatography on silica gel