Dehydration of primary , secondary and tertiary alcohols.
Know the dehydration of alcohol mechanism. Dehydration of 2-methylcyclohexanol. (elimination reaction)
Draw the major product of the following alcohol dehydration in the presence of H2SO4. Use the Zaitsev rule (no rearrangements) to predict the major product when necessary. Include all hydrogen atoms. Draw the major product of the following alcohol dehydration in the presence of H2SO4. Use the Zaitsev rule (no rearrangements) to predict the major product when necessary. Include all hydrogen atoms.
Give two methods for increasing the formation of product for a dehydration reaction of an alcohol in the presence of a strong, non-nucleophilic acid.
which alcohol will undergo dehydration the fastest in het sulfuric acid? Why? OH
Question 24 The reaction shown below shows the dehydration of an alcohol 1. What is the name of the alcohol shown 2. How many beta carbons are present in the alcohol 3. How many products are possible from this reaction 4. The product shown is the major product. Explain why this is the best product. OH H2SO4, A
7. (5 points) Predict the products of sulfuric acid-catalyzed dehydration of neopentyl alcohol.
Draw the major product of the following alcohol dehydration in the presence of H2SO4. Use the Zaitsev rule (no rearrangements) to predict the major product when necessary. Include all hydrogen atoms.
3 points Save Which alcohol would be a suitable substrate for a dehydration reaction that produces the alkene shown as the major product? Assume no carbocation rearrangements occur. H2SO4
1. Show, using the curved arrow notation, the mechanism of alcohol dehydration of 2- methylcyclohexanol using an acid catalyst to give the minor isomer not shown in the scheme above.
Dehydration of 2-Methyleyclohexanol Prelab Questions: 1. Show, using the curved arrow notation, the mechanism of alcohol dehydration of 2- methylcyclohexanol using an acid catalyst to give the minor isomer not shown in the scheme above. 2. What alkenes could be produced it each of the following alcohols were dehydrated. 2-propanol 2-butanol 3. What is the purpose of the anhydrous sodium sulfate in step 2 of the procedure?