Paragraph: In the following reaction sequence, product $I . J$ and $L$ are formed. K represent a reagent…

Paragraph: In the following reaction sequence, product $I . J$ and $L$ are formed. K represent a reagent
Question: The structure of the product $I$ is




Solution

$\mathrm{NaBH}_4$ reduces $-\mathrm{CHO}$ selectively into $-\mathrm{CH}_2 \mathrm{OH}$, which is further converted into corresponding bromide by $\mathrm{PBr}_3$ without affecting the triple bond.

Asked in: JEE Advanced 2008 (Paper 1)

Practice more Alcohols Phenols and Ethers questions on Aicharya