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JEE Advanced2007ChemistryAlcohols Phenols and EthersActual

Paragraph: Reimer-Tiemann reaction introduces an aldehyde group, on to the aromatic ring of phenol, ortho to the hydroxyl group. This reaction involves electrophilic aromatic substitution. This is a general method for the synthesis of substituted salicylaldehydes as depicted below. Question: The electrophile in this reaction is

Options

  1. A: CHCL
  2. B⁺ CHCl ₂
  3. C: CCl ₂
  4. DCCl ₃

Correct answer

C. : CCl ₂

Step-by-step solution

In Reimer-Tiemann reaction

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