Compound (X) undergoes the following sequence | vedclass

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(A) The reaction sequence is as follows:$1$. Aldol condensation of isobutyraldehyde $(CH_3)_2CH-CHO$ with formaldehyde $(HCHO)$ in the presence of $KO

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$(CH_3)_2CH-CHO$

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(A) The reaction sequence is as follows:$1$. Aldol condensation of isobutyraldehyde $(CH_3)_2CH-CHO$ with formaldehyde $(HCHO)$ in the presence of $KOH$ gives $3-hydroxy-2,2-dimethylpropanal$ $(HOCH_2-C(CH_3)_2-CHO)$.$2$. This product reacts with $KCN$ to form a cyanohydrin.$3$. Acidic hydrolysis $(H_3O^+)$ followed by heating leads to the formation of the lactone $(Y)$ via intramolecular esterification.Therefore,the starting compound $(X)$ is isobutyraldehyde,which is $(CH_3)_2CH-CHO$.

Compound $(X)$ undergoes the following sequence of reactions to give the Lactone $(Y)$. Identify $(X)$.

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