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Chapter 22: Q68P-c (page 1204)

Question:Show how you would use an aldol, Claisen, or another type of condensation to make each compound

c.

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01

 Aldol cyclisation

It is the nucleophilic acyl substitution reaction of the carbonyl group forming the enolate ion which leads to the cyclization with the carbonyl group in the molecule which leads to the formation of unsaturated ketone or aldehyde.

02

Formation of the product

As the hydrogen is protonated from the reacting species formation of enolate ion occurs which combines with its own carbonyl group followed by the removal of formation of unsaturated aldehyde or ketone occur as shown:

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Question:Show how you would use an aldol, Claisen, or another type of condensation to make each compound

d.
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