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In reimer tiemann reaction why the electrophilic carbon do not attack on negatively charged oxygen instead of carbon of the benzene ring which gains negative charge after resonance ?

In reimer tiemann reaction why the electrophilic carbon do not attack on negatively charged oxygen instead of carbon of the benzene ring which gains negative charge after resonance ?

Grade:12th pass

1 Answers

S.Neha
23 Points
6 years ago
high electron density available with Carbon pi bonded electrons when compared to lone pair on more electronegative oxygen. Further, after attack by electrophiile the +charge undergoes resonance. If attacked on lone pair results in +ve charge on oxygen which is highly unstable.  

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