which chemical reaction used for the ortho-formylation of phenols ?

Reimer - Tiemann reaction

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Kolbe's reaction

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Williamson ether synthesis

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Friedel -crafts reaction alkylation of anisole

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Solution

The correct option is A Reimer - Tiemann reaction
The Reimer–Tiemann reaction is a chemical reaction used for the ortho-formylation of phenols; with the simplest example being the conversion of phenol to salicylaldehyde. The reaction was discovered by Karl Reimer and Ferdinand Tiemann.

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Similar questions

Write equations of the following reactions
Friedel Crafts reaction - alkylation of anisole.

Nitration of anisole.

Bromination of anisole in ethanoic acid medium.

Friedel Crafts acetylation of anisole.

Write equations of the following reactions:

(i) Friedel-Crafts reaction−alkylation of anisole.

(ii) Nitration of anisole.

(iii) Bromination of anisole in ethanoic acid medium.

(iv) Friedel-Craft’s acetylation of anisole.

Explain the following with an example.
Kolbe's reaction

Reimer-Tiemann reaction

Williamson ether synthesis

Unsymmetrical ether

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