PhCH=CHCHO+CH3CH=CHCHObase−−−−−→EtOH,Δ(A)87% ; Product of this reaction is :
A
Ph−(CH=CH)2−CHO
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B
Ph−(CH=CH)3CHO
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C
Ph−(CH=CH)4CHO
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D
Ph−CH=CH−CH=CH−CH3
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Solution
The correct option is BPh−(CH=CH)3CHO It is a Aldol condensation reaction.
Here, only but-2-enal has acidic hydrogen which on deprotonation gives enolate ion. This enolate ion will attack the 3-phenylacrylaldehyde to form aldol product.