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Which of the following reagents is suitable for converting 1-bromo-1-methyl cyclohexane to bromomethyl cyclohexane?

a) Lithium aluminum hydride
b) Hydrogen gas with a platinum catalyst
c) Sodium borohydride
d) Methylmagnesium bromide

1 Answer

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Final answer:

The suitable reagent for converting 1-bromo-1-methyl cyclohexane to bromomethyl cyclohexane is hydrogen gas with a platinum catalyst. This process is known as hydrogenation.

Step-by-step explanation:

The question at hand involves a chemical conversion from 1-bromo-1-methyl cyclohexane to bromomethyl cyclohexane. Among the reagents listed, hydrogen gas with a platinum catalyst is the appropriate choice for achieving such a transformation. This process, known as hydrogenation, involves the addition of hydrogen to the substrate 1-bromo-1-methyl cyclohexane to reduce the alkyl bromide to an alkane, thus forming bromomethyl cyclohexane.

The other reagents listed serve different purposes: Lithium aluminum hydride and sodium borohydride are commonly used for reduction reactions where they serve as hydride donors, not suitable for this transformation. Methylmagnesium bromide is a Grignard reagent used for carbon-carbon bond formation, not relevant to the process of hydrogenation.

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