Phenols on treatment with chloroform in the presence of aqueous sodium – InterviewSolution

1.	Phenols on treatment with chloroform in the presence of aqueous sodium hydroxide or potassium hydroxide solution give hydroxy aldehydes. In this reaction, the formyl group is directed to ortho position. But if one of the ortho position is occupied then para product is formed. The reaction is electrophilic substitution reaction. What is the name and the structure of the final product formed.
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