Chapter 16 September 19

Chapter 16 September 19 - however 3 2 Reduction of Aryl...

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1 Bromination of Alkylbenzene Side Chains: Example: Mechanism: Alkyl side chains are brominated at the benzylic position in the presense of NBS (N­bromosuccinimide) using benzoyl peroxide (PhCO 2 ) 2 as a radical initiator The intermediate is a benzylic radical
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2 1.) Catalytic Hydrogenation of Aromatic Rings: Example: Examples: Reduction Reactions of Aromatic Compounds Aromatic rings are inert to the typical catalytic hydrogenation conditions that are used to reduce common alkene bonds There are ways to force the catalytic hydrogenation of aromatic rings
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Unformatted text preview: however: 3 2.) Reduction of Aryl Alkyl Ketones : Example: A neighboring (adjacent) aromatic ring activates carbonyl groups for reduction 4 Sythesis Practice Problems: 5 Sythesis Practice Problems (cont'd): 6 Chapter 17: Alcohols and Phenols Alcohols: Phenols: General Definitions: Enols: Example: Example: Example: Contain an ­OH group attached to a sp 3 carbon atom Contain an ­OH group attached directly to a benzene ring Contain an ­OH group attached to a vinylic carbon atom...
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Chapter 16 September 19 - however 3 2 Reduction of Aryl...

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