Question

mechanism of aldol condensation

Answer 1

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Mechanism of Aldol
Condensation

In reverse order, The hydroxide ion deprotonates the aldehyde.



Here Enolate ion 1 adds to the unreacted aldehyde.



Alkoxide ion 2 is protonated by water.



A small amount of aldol is converted into enolate ion (4) by hydroxide ion.



Here Enolate Ion(4) loses a hydroxide ion.



Step 1 to step 3 illustrates aldol reaction.
×=×=×=×=×=×=×=×=×=×=×=×=×
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