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Question
(1) \( Ac _{2} O , AcONa \)
(A); Identify product and name of reaction.
(1) \( Ac _{2} O , AcONa \)
(A); Identify product and name of reaction.
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Solution
The correct option is B Perkin reaction
Aromatic aldehyde on reacting with carboxylic acid anhydride in presence of salt of carboxylic acid to form α,β-unsaturated acids. This reaction is called Perkin reaction.
Potassium salt of acetic acid
Benzaldehyde
Acetic
\( \alpha , \beta \)-unsaturated
anhydride
acid
Cinnamic
Acetic acid
The water molecule is removed from the carboxylic compound to given the product coumarin.
\( \frac{\text { Ac } 0, \text { ArONay }}{\text { percin reaction }} \)
salicylaldehyde
\( \stackrel{- H _{2} O }{\longrightarrow} \)
Aromatic aldehyde on reacting with carboxylic acid anhydride in presence of salt of carboxylic acid to form α,β-unsaturated acids. This reaction is called Perkin reaction.
Potassium salt of acetic acid Benzaldehyde Acetic \( \alpha , \beta \)-unsaturated anhydride acid Cinnamic Acetic acid
The water molecule is removed from the carboxylic compound to given the product coumarin.
\( \frac{\text { Ac } 0, \text { ArONay }}{\text { percin reaction }} \) salicylaldehyde \( \stackrel{- H _{2} O }{\longrightarrow} \)
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