Ch8 notes - Chapter 8 * Flash card with the mechanisms,...

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Chapter 8 *** Flash card with the mechanisms, possible reagents, all that good stuff from chapter 8 hydration reaction. 1) Preparing Alkenes a. Electrophilic addition reactions are regioselective b. 2 ways to prepare alkenes b.i. Dehydro-halogenation b.i.1. Loss of H-X from an alkyl halide R-X b.i.1.a. 1-bromocyclohexane in the presence of KOH and Ethanol b.i.1.b. Produces Cyclohexene + KBr + H 2 O b.i.1.b.i. Whats the nucleophile? (OH) b.i.1.b.i.1. Ethanol, the polar solvent, can help stabilize positive/negative charges b.ii. Dehydration b.ii.1. 1-methylcyclohexanol in the presence of Sulfuric acid and H 2 O and heat b.ii.2. Produces 1-methylcyclohexene and H 2 O. b.ii.2.a. Tertiary alcohols can dehydrate via SN1 or E1 mechanism b.ii.2.b. H 3 O + serves as an electrophile b.ii.2.c. THF – Tetrahydrofurren b.ii.2.c.i. Functional group is an ether b.ii.2.c.i.1. Ethers are solvents b.ii.2.c.i.2. THF is not very reactive b.ii.2.c.i.3. Has some degree of polarity increasing its solubility capabilities
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This note was uploaded on 01/18/2012 for the course CHEM 307 taught by Professor Dr.owenmcdougal during the Fall '11 term at Boise State.

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Ch8 notes - Chapter 8 * Flash card with the mechanisms,...

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