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JEE Main Chemistry question

ChemistryOrganic Oxidation & Reduction ReactionsJEE Main

Which of the following reagents can effectively carry out the conversion: a cyclohexanone-fused ethyl ester (ring ketone with a pendant –COOC₂H₅) → the corresponding hydroxy-ester (ring –OH with the ester group retained)?

Answer: (B)

Solution

The selective reduction needed here (ketone to alcohol, while leaving the ester group completely untouched) is best achieved with NaBH₄, a mild hydride reducing agent that readily reduces ketones/aldehydes but is generally too

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Question ID VK-149507