Chapter 10, Problem 36DSP

Interpretation Introduction

Interpretation:

The structural formula of the intermediate X in the reaction shown is to be determined.

Concept Introduction:

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${\text{NaBH}}_{\text{4}}$ is a reducing agent.In the presence of a catalyst ${\text{InCl}}_{\text{3}}$, it serves as a source of hydrogen atoms.

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The reaction of ${\text{NaBH}}_{\text{4}}$ and ${\text{InCl}}_{\text{3}}$ produces ${\text{HInCl}}_{\text{2}}$ which is the actual reducing agent.

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Depending on the structure of the final product, the structure of the intermediate alkyl free radical can be determined.