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A racemic mixture of (+-) 2-pheynl propa...

A racemic mixture of `(+-) 2-pheynl` propanoic acid on esterification with `(+) 2-butanol` gives two esters. Mention the seterichemistry of the two ester produced.

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During esterification, the bonds attached to the chiral `C` atom are not broken. So the optical activity of both the acids and alcohol does not change, hence the two esters `(I and II)` are diastereomers.
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