The reaction which involves dichlorocarbene a | vedclass

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(A) The Reimer-Tiemann reaction involves the treatment of phenol with $CHCl_3$ in the presence of aqueous $NaOH$. In this reaction,$CHCl_3$ reacts wit

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Reimer-Tiemann reaction

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(A) The Reimer-Tiemann reaction involves the treatment of phenol with $CHCl_3$ in the presence of aqueous $NaOH$. In this reaction,$CHCl_3$ reacts with $OH^-$ to generate the electrophile,dichlorocarbene $(:CCl_2)$. The dichlorocarbene then attacks the phenoxide ion to form an intermediate,which upon hydrolysis yields salicylaldehyde.

The reaction which involves dichlorocarbene as an electrophile is,

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