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(D) The given reaction is an intramolecular Aldol condensation reaction.$1$. The base $(OH^-)$ abstracts an $\alpha$-hydrogen from the methyl group of

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(D) The given reaction is an intramolecular Aldol condensation reaction.$1$. The base $(OH^-)$ abstracts an $\alpha$-hydrogen from the methyl group of the ketone,forming an enolate ion.$2$. This enolate ion performs a nucleophilic attack on the carbonyl carbon of the aldehyde group.$3$. This leads to the formation of a cyclic $\beta$-hydroxy ketone intermediate.$4$. Upon heating $(\Delta)$,the intermediate undergoes dehydration (loss of $H_2O$) to form an $\alpha, \beta$-unsaturated carbonyl compound.Comparing the final structure with the given options,the product corresponds to option $D$.

Find the end product of the following reaction:
Product is

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Find the end product of the following reaction:Product is