Consider the given reaction CH3−COOC2H5C2H5ONa−−−−−−→C2H5OHenolateionester(X)−−−−−−−−−−−−−→ClaisencondensationProduct For the above reaction the most reactive ester is:
A
C6H5COOC2H5
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B
C2H5O−CO−CO−OC2H5
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C
HCOOC2H5
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D
C2H5O−CO−OC2H5
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Solution
The correct option is BC2H5O−CO−CO−OC2H5 For the above reaction the most reactive ester is diethyl oxalate represented by option (B).