Cinnamic acid is formed when C6 H3 CHO condensation with (CH3 CO)2 O in presence of (a) sodium m

step 1 In this problem I can write the reaction as C6H5 CHO plus H2 CHCOO CO CH3. So this is in presenc

Cinnamic acid is formed when C6 H3 CHO condensation with...

Cinnamic acid is formed when $\mathrm{C}_{6} \mathrm{H}_{3} \mathrm{CHO}$ condensation with $\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}$ in presence of
(a) sodium metal
(b) sodium acetate
(c) anhydrous $\mathrm{ZnCl}_{2}$
(d) conc. $\mathrm{H}_{2} \mathrm{SO}_{4}$

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Key Concepts

Perkin Reaction

The Perkin Reaction is an organic synthesis method that forms ?,?-unsaturated aromatic acids through the condensation of an aromatic aldehyde with an acid anhydride. In this reaction, the aldehyde reacts in the presence of a medium-strength carboxylate base to generate the corresponding unsaturated acid. This reaction is a key example of a condensation process in synthetic organic chemistry, highlighting the formation of new carbon–carbon bonds under mild conditions.

Catalyst Role in Condensation Reactions

Catalysts in condensation reactions, such as the carboxylate salts used in the Perkin Reaction, play a crucial role by activating reactants and facilitating the formation of intermediates like enolates. They enhance the rate and selectivity of the reaction by providing an optimal environment for the nucleophilic attack and subsequent elimination steps. This concept is fundamental in understanding how reaction conditions can be tailored to achieve desired synthetic outcomes in organic chemistry.

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