反应详情

13.4 g (0.1 mol) of 2,6-dimethylbenzaldehyde, 100 ml of acetone, 100 ml of water and 2 g of calcium hydroxide are mixed together and refluxed for about 20-25 h with agitation. The precipitate is filtered off from the cold reaction mixture. 1 l of ice water is added to the filtrate with agitation. The product is crystallized at a yield of about 90%. M.p. of the recrystallized product: 34°-35° C.

1. temperaturerefluxed for about 20-25 h with agitation
2. filtrationThe precipitate is filtered off from the cold reaction mixture
3. addition1 l of ice water is added to the filtrate with agitation
4. customThe product is crystallized at a yield of about 90%
5. custom34°-35° C.