Which of the following is an example of Perkin condensation?

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$C_{6} H_{5} CHO + {CH}_{3} {NO}_{2} \overset{KOH}{⟶} C_{6} H_{5} CH = {CHNO}_{2} + H_{2} O$

$2 {CH}_{3} {COCH}_{3} \overset{dry HCl}{⟶} {({CH}_{3})}_{2} C = {CHCOCH}_{3}$

$2 HCHO + NaOH \to {CH}_{3} OH + HCOONa$

$C_{6} H_{5} CHO + {({CH}_{3} CO)}_{2} O \overset{{CH}_{3} COONa}{⟶} C_{6} H_{5} CH = CHCOOH$

answer is D.

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Detailed Solution

$C_{6} H_{5} CHO + {({CH}_{3} CO)}_{2} O \overset{{CH}_{3} COONa}{⟶} C_{6} H_{5} CH = CHCOOH$ is an example of Perkin condensation.

An aromatic aldehyde and an acid anhydride are condensed in the Perkin reaction, also known as Perkin condensation, in the presence of an alkali salt of the acid that functions as a weak base to create,-unsaturated aromatic acid.

Hence, correct option is D.

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