| Qu1: |
How many α-hydrogens
are there in each of the following ester systems ? |
|
| (a) ethyl ethanoate |
(b) methyl ethanoate |
(c) methyl methanoate |
| (d) ethyl benzoate |
(e) diethyl propanedioate |
|
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| Qu 2: |
What are the major
products of the reactions when each of the following esters are treated
with sodium ethoxide ? |
|
| (a) |
Ethyl ethanoate |
|
| (b) |
Methyl benzoate |
|
| (c) |
Ethyl propanoate |
|
| (d) |
Diethyl hexanedioate |
|
| (e) |
Diethyl heptanedioate |
|
| (f) |
Ethyl 5-oxohexanoate |
|
|
| Qu 3: |
What are the major
products of the following reaction sequences ? |
|
|
| Qu 4: |
How would you
prepare diethyl hexanedioate from cyclohexene ? |
|
|
| Qu 5: |
How would you
prepare ethyl acetoacetate (ie. ethyl 3-oxobutanoate) ? |
|
|
| Qu 6: |
How would you
prepare diethyl malonate from malonic acid ? |
|
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