The electrophile involved in the Reimer-Tiema | vedclass

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Question

(B) In the Reimer-Tiemann reaction,phenol reacts with chloroform $(CHCl_3)$ in the presence of an aqueous base ($NaOH$ or $KOH$). The first step invol

Vedclass · Accepted Answer

$:CCl_2$

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(B) In the Reimer-Tiemann reaction,phenol reacts with chloroform $(CHCl_3)$ in the presence of an aqueous base ($NaOH$ or $KOH$). The first step involves the formation of dichlorocarbene $(:CCl_2)$ from chloroform. $CHCl_3 + OH^- \rightarrow :CCl_2 + H_2O + Cl^-$. This dichlorocarbene $(:CCl_2)$ acts as an electrophile and attacks the phenoxide ion to initiate the reaction. Therefore,the correct electrophile is $:CCl_2$.

The electrophile involved in the Reimer-Tiemann reaction is

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