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(C) The reaction of cyclohex$-3-$ene$-1-$carboxylic acid with $I_2$ in the presence of $NaHCO_3$ is an example of iodolactonization.$1$. The $I_2$ mol

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(C) The reaction of cyclohex$-3-$ene$-1-$carboxylic acid with $I_2$ in the presence of $NaHCO_3$ is an example of iodolactonization.$1$. The $I_2$ molecule reacts with the double bond to form a cyclic iodonium ion (a non-classical carbocation).$2$. The carboxylate group $(-COO^-)$,formed by the deprotonation of the carboxylic acid by $NaHCO_3$,acts as an internal nucleophile.$3$. The carboxylate oxygen attacks the more substituted carbon of the iodonium ion from the opposite side (anti-addition),leading to the formation of a lactone ring.$4$. This results in the formation of an iodolactone as the final product,which corresponds to structure $C$.

The following reaction was carried out.
The final product formed in the above reaction sequence is

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The following reaction was carried out.The final product formed in the above reaction sequence is