Propose at least three methods to convert C6 H5 CH2 CH2 Br to C6 H5 CH2 CH3

Name: Problem 62, Chapter 17: Organic Chemistry
Uploaded: 2019-12-04T05:33:29-08:00
Duration: 3 min 6 s
Channel: Ian Kaigh
Description: Propose at least three methods to convert C6 H5 CH2 CH2 Br to C6 H5 CH2 CH3

step 1 This is the answer to chapter 20, problem number 63, from the Smith Organic Chemistry textbook.

Propose at least three methods to convert C6 H5 CH2 CH2 Br...

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Key Concepts

Radical-Mediated Reduction

Radical-mediated reduction uses radical initiators and hydrogen-donating reagents to replace a halogen atom with hydrogen. In this method, a radical intermediate is formed through the abstraction of the halogen, which then abstracts hydrogen from a donor reagent. This strategy is especially useful when traditional ionic mechanisms are less effective or when a radical pathway offers better control over the reaction outcome.

Catalytic Hydrogenolysis

Catalytic hydrogenolysis involves breaking a carbon–halogen bond by using hydrogen gas in the presence of a metal catalyst, such as palladium on carbon. The catalyst facilitates the addition of hydrogen, effectively replacing the halogen with a hydrogen atom. This method is popular in organic synthesis for its mild conditions and high selectivity.

Dehalogenation Reaction

Dehalogenation is a fundamental transformation in organic synthesis where a halogen atom is removed from an organic molecule and replaced by a hydrogen atom. This reaction is widely used to simplify molecules or to prepare hydrocarbons from halide precursors using various reducing agents or metal-mediated conditions.

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