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Sir, Please explain the INTRAMOLECULAR ALDOL CONDENSATION in detail with mechanism.

Sir,


Please explain the INTRAMOLECULAR ALDOL CONDENSATION in detail with mechanism.

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear vikas

The reaction involves an enolate reacting with another molecule of the aldehyde


7749-2209_7662_untitled.JPG

few important thing regarding the adol reaction

It is a  Nucleophilic addition Reaction

Reagents : commonly a base such as NaOH or KOH is added to the aldehyde.

The reaction involves an enolate reacting with another molecule of the aldehyde.

Remember enolates are good nucleophiles and carbonyl C are electrophiles.

The products of these reactions are b-hydroxyaldehydes or aldehyde-alcohols = aldols.

The simplest aldol reaction is the condensation of ethanal. This is shown below in 2 different representations (the line diagrams are less cluttered)

Mechanism


7749-216_7662_untitled1.JPG



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Badiuddin

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