OxRed_notes

OxRed_notes - The migrating group migrates to an...

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Oxidation and Reduction • Oxidation is always coupled with reduction (if something is being oxidized, something else should be simultaneously reduced) • Loss of electrons is oxidation • Gain of electrons is reduction • The oxidation level of a carbon atom equals the total number of its C–O, C–N, and C–X bonds Cu + + Fe 3+ Cu 2+ + Fe 2+ e - OXIDATION LEVEL number of C Z bonds (Z=O, N, or halogen)
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Mechanism of the Baeyer-Villiger oxidation:
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Unformatted text preview: The migrating group migrates to an electrophilic (electron-deficient) O atom, therefore the better it can stabilize the extra positive charge on this atom, the easier it will migrate. Relative migration tendencies: R C O R' H + R C OH R' CF 3 COOH O R C OH R' HO OCCF 3 O R C OH R' O OCCF 3 O-H + H + an unstable intermediate R' C OH OR R' C O OR-H + H + CF 3 COO O-...
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This note was uploaded on 09/25/2011 for the course CHEM 2262 taught by Professor Smith during the Spring '08 term at LSU.

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OxRed_notes - The migrating group migrates to an...

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