Ethyl acetoacetate synthesis
- Product Name:Ethyl acetoacetate
- CAS Number:141-97-9
- Molecular formula:C6H10O3
- Molecular Weight:130.14
The preparation of ethyl acetoacetate is a classic laboratory procedure . It is prepared via the Claisen condensation of ethyl acetate. Two moles of ethyl acetate condense to form one mole each of ethyl acetoacetate and ethanol.
Yield:141-97-9 95%
Reaction Conditions:
with sulfuric acid at 85 - 125; for 6 h;
Steps:
1.1
1. 80 mol of concentrated sulfuric acid was added with 150mol absolute ethanol and is heated to 85°C then 100mol of diketene was added and stirred at 125 °C for 6h. The ethyl acetoacetate solution was obtained by distillation under reduced pressure, the yield was 95%, and the solution was directly put into the next reaction.
References:
CN105418422,2016,A Location in patent:Paragraph 0021; 0031
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