JEE Main202324 Jan 2023Morning ShiftChemistryAldehydes and KetonesActual

Compound X undergoes following sequence of reactions to give the Lactone Y .

Correct answer

Step-by-step solution

The cross aldol reaction takes place between isobutyraldehyde and formaldehyde to get hydroxypivaldehyde. On reaction with hydrogen cyanide followed by hydrolysis produces the lactone product.

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