Formation of Carboxylic Acids from Acyl Chlorides
Description: Treatment of acid chlorides with water leads to formation of carboxylic acids. This is called “hydrolysis”.
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Notes: It’s also possible to do this reaction with acid bromides and anhydrides.
Examples:
Notes: See how in the first three examples we are converting acid chlorides to carboxylic acids.
Mechanism: In the first step, addition of water to the carbonyl carbon of the acid chloride (Step 1, arrows A and B) leads to a tetrahedral intermediate, which then eliminates chloride ion (Step 2, arrows C and D) followed by deprotonation (Step 3, arrows E and F) to give the neutral carboxylic acid.
Notes: It’s also reasonable to show a proton transfer happening before the elimination step, followed by deprotonation.
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