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  • Write structural formulas and names of four possible aldol condensation products from propanal and butanal. In each case, indicate which aldehyde acts as nucleophile and which as electrophile?

Q 12.9     Write structural formulas and names of four possible aldol condensation products from propanal and butanal. In each case, indicate which aldehyde acts as a nucleophile and which is electrophile.

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best_answer

Propanal -CH_{3}CH_{2}CHO

butanal - CH_{3}CH_{2}CH_{2}CHO
 

In cross-aldol condensation, there are total four cases of reaction-

  1. When two molecules of propanal react with each other
  2. When two molecules of butanal reacts with each other
  3. When propanal act as a nucleophile and attacking on butanal(as an electrophile)
  4. When butanal act as a nucleophile and attacking on propanal(as an electrophile)

Now the reactions are shown here:
(i)


(ii)


(iii)


(iv)

Posted by

manish

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