Chiral reduction of ethyl acetoacetate; answer both! will rate best answer 100%!

Question

Chiral reduction of ethyl acetoacetate; answer both! will rate best answer 100%!

What purpose do each of the following play in the isolation and purification of ethyl 3-hydroxybutanoate? Filtration with filter aid Extraction with 3 portions of diethyl ether Anhydrous sodium sulfate Evaporation in the hood Compare the specific rotation for your product with the specific rotation for pure S(+)ethyl 3-hydroxybutanoate. Give two possible reasons why your specific rotation is not as great as for the pure product.

Explanation / Answer

2. Extraction with 3 portions of diethyl ether

3. i) Enantiomeric excess not great

ii) the product is not completely pure it has some impurity.

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