Lab 8: Dehydration of Methylcyclohexanols

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10 Terms

1
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why do you observe a change in ratio at the end?

Evelyn effect

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Evelyn effect

a phenomenon in organic chemistry where the product ratios in a reaction, specifically the dehydration of 2-methylcyclohexanol, change over time

3
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rank the products in order of how favored their formation

1-Methylcyclohexene > 3-Methylcyclohexene > Methylenecyclohexane

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why are the products favored in that way?

Zaitsev Rule

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Zaitsev Rule

predicts the major product of an elimination reaction, stating that the most substituted alkene is the most stable and will be the major product

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1-Methylcyclohexene

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3-Methylcyclohexene

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methylenecyclohexane

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9
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what is necessary for a reaction to undergo an elimination reaction?

anti-parallel/anti-periplanar beta hydrogens

180° opposite the leaving group

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what were the droplets at the bottom of the test tubes?

water also produced during the reaction

on the bottom because it was more dense than the products