Chem. 231 CH. 10 Haloalkanes

Chem. 231 CH. 10 Haloalkanes - Chapter 10-Alkyl Halides...

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Chapter 10-Alkyl Halides HALOALKANES 10.1 Nomenclature A. IUPAC System 1) Haloalkanes 2) Haloalkenes 3) Molecules containing functional groups designated by a suffix. B. Common Names 1) Alkyl Halides 2) Haloforms CHX3, where X= halogen CHCl3 = chloroform 10.2 Nucleophilic Aliphatic Substitution A. Nucleophilic Substitution (General Equation) B. Nucleophiles and Products 1) Neutral products 2) Positively charged products 10.3 Mechanisms of Nucleophilic Aliphatic Substitution A. The SN2 Mechanism 1) Bond breaking between the C and the leaving group and bond forming between the C and the nucleophile occur simutaneously (concerted reaction) 2) Bimolecular: 2 species involved in rate-limiting reaction 3) Backside attack by the nucleophile at a stereocenter causes an inversion of configuration 4) One transition state; no reactive intermediate
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(one step) B. The SN1 Mechanism 1) Bond breaking between C and the leaving group is complete before new bond between C and the nucleophile forms a) Step 1: Ionization to form carbocation intermediate and halide ion
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Chem. 231 CH. 10 Haloalkanes - Chapter 10-Alkyl Halides...

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