Dat Destroyer Ochem #124

[bluesolic]

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Which is incorrectly paired..

Esters : Nucleophilic acyl substitutuion.

what is this rxn ?? I thought it is the carbonyl group with Cl attached and AlCl3 toward benzene..

 

[Minion]

No, esters is a carboxyl derivative, you can think of it as a ether and carbonyl together.

What happens is whenever a nucleophile attacks, the ether sub group will leaves and O- forms. Then the O will reform its double bond.