Cyclohexene

Cyclohexene - Intro: The purpose of this experiment is to...

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Intro: The purpose of this experiment is to understand the techniques used to synthesize and extract an alkene from an alcohol, which in this experiment are cyclohexene and cyclohexanol. Reactions: The elimination reaction that occurs in the formation of cyclohexene is E1, occurring in 3 steps. First, the alcohol group of cyclohexanol is protonated using phosphoric acid, a strong acid. Secondly, the resulting positively charged H20 group is weakened and breaks off of cyclohexanol, resulting in a carbocation. Thirdly, a proton is expelled from the molecule, resulting in the formation of cyclohexene and a hydronium ion. Discussions: One important thing to keep in mind when performing an elimination reaction is that these reactions are reversible. As the fueling process of this reaction is protonation, which is completely reversible, one must remember that there is an equilibrium between the formation of products and the reformation of reactants. The
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This note was uploaded on 04/13/2008 for the course CHEM 222 taught by Professor Harpp during the Spring '08 term at McGill.

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Cyclohexene - Intro: The purpose of this experiment is to...

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