The product P in the above reaction is | vedclass

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(C) $DIBAL-H$ (Diisobutylaluminum hydride) is a selective reducing agent that reduces esters to aldehydes at low temperatures $(-78^{\circ}C)$.In the

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(C) $DIBAL-H$ (Diisobutylaluminum hydride) is a selective reducing agent that reduces esters to aldehydes at low temperatures $(-78^{\circ}C)$.In the given reaction,$DIBAL-H$ reduces the cyclic ester (lactone) to a lactol,which then opens to form a hydroxy-aldehyde.$DIBAL-H$ does not reduce the carbon-carbon double bond $(C=C)$ present in the molecule.Therefore,the reaction converts the lactone group into a hydroxy-aldehyde group while keeping the rest of the structure intact,which matches option $C$.

The product $P$ in the above reaction is

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