The mechanism for the Fischer esterification is shown on page 762 of your textbook. The acid...

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Chemistry

The mechanism for the Fischer esterification is shown on page762 of your textbook. The acid catalyst is specifically used intwosteps – protonation of 10 to make 11 and in the formation of 13(it is unlikely that 12 directly goes to 13 – there is probably adeprotonation of 12 then a reprotonation to make 13).Explainmechanistically what the purpose of these two protonations are.

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Mechanistic aspects of Fischer esterification:

  1. In acidic medium carboxylic acid get protonate at carbonyl O (C=O).
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