How you will introduce a formyl group into phenol ring.

Question

23 Jan 2025

Answer :

Word Count : 214

To introduce a formyl group (-CHO) into the phenol ring, the most common method is the Vilsmeier-Haack reaction, a powerful technique for formylation of aromatic compounds. The reaction involves the use of a reagent known as Vilsmeier reagent, which is a combination of DMF (Dimethylformamide) and phosphorus oxychloride (POCl₃).

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