反应详情

A mixture of 5 g of chloral-hydrate, 10 ml of amyl-alcohol, 0.1 g of 4-methyl-sulphonic acid and 50 ml of benzene is kept at reflux temperature and the formed water is separated by means of a Dean-Stark apparatus. After a reaction time of 9 hours the benzene is washed with a sodium hydrogen carbonate solution and water, dried on magnesium sulfate, then it is vacuum-distilled.

1. temperatureat reflux temperature
2. customthe formed water is separated by means of a Dean-Stark apparatus
3. washAfter a reaction time of 9 hours the benzene is washed with a sodium hydrogen carbonate solution and water
4. customdried on magnesium sulfate
5. distillationit is vacuum-distilled