CHEM152L(7_14_09)

CHEM152L(7_14_09) - Oxidation state d n notation Electron...

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CHEM 152L 7/14/09 Aryl halide, vinylic halide, phenol Reactivity of vinylic and aryl halides in SN2 conditions – Simply vinylic and aryl halides are inert under SN2 conditions – Why? Elimination reaction of vinylic halides
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CHEM 152L Lack of reactivity of vinylic and aryl halides under SN1 conditions Both are inert again under these conditions – Why? Nucleophilic substitution reactions of aryl halides – Nucleophilic Aromatic Substitution
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CHEM 152L Substitution by Elimination –Addition – Benzyne intermediate Transition metal catalyzed coupling reactions – Heck reaction
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CHEM 152L Transition metals and their complexes –
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Unformatted text preview: Oxidation state d n notation Electron counting 16 and 18 electron rules CHEM 152L Fundamental reactions of transition metal complexes Ligand dissociation association Oxidative addition Reductive elimination Insertion CHEM 152L The Heck Reaction - Pd(0) catalyst with aryl bromide or iodide coupling to alkene. Can also be Pd(II) catalyzed CHEM 152L Acidity of phenol resonance and polar effects on the acidity of phenols Substituted phenols Formation and use of phenoxides CHEM 152L Oxidation of phenols to quinones Practical applications of phenol oxidation...
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CHEM152L(7_14_09) - Oxidation state d n notation Electron...

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