2) Complete the mechanisms for the following reactions. A) -- H₂SO₂ H₂O B) OH H₂504 Hint: Consider the methyl Shift mechanism. What if you did a similar Shift with the quatrinary carbon?
2) Complete the mechanisms for the following reactions. A) -- H₂SO₂ H₂O B) OH H₂504 Hint: Consider the methyl Shift mechanism. What if you did a similar Shift with the quatrinary carbon?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![### Reaction Mechanisms Exercise
#### Instructions:
Complete the mechanisms for the following reactions:
##### A)
\[ \text{Reactants:} \]
- A molecule with a structure showing two alkenes in conjugation separated by one carbon.
- Reagents: \(\ce{H2SO4}\) and \(\ce{H2O}\)
\[ \text{Products:} \]
- A ketone with the carbonyl group attached to the end of a six-carbon chain. One double bond remains at the other end.
\[ \text{Reaction Scheme:} \]
\[ \text{Reactant} \xrightarrow{\ce{H2SO4}, \ce{H2O}} \text{Product} \]
##### B)
\[ \text{Reactants:} \]
- A cyclohexane ring with an OH group on one carbon and a cyclopentane ring (fused structures).
- Reagents: \(\ce{H2SO4}\)
\[ \text{Products:} \]
- A different fused ring structure where the fused positions have changed.
\[ \text{Reaction Scheme:} \]
\[ \text{Reactant} \xrightarrow{\ce{H2SO4}} \text{Product} \]
**Hint:** Consider the methyl shift mechanism. What if you did a similar shift with the quaternary carbon?
---
**Explanation of Diagrams:**
1. **Part A:**
- The starter molecule is a conjugated diene with the formula structure consisting of a six-carbon chain.
- The reactants include sulfuric acid (H\(_2\)SO\(_4\)) and water (H\(_2\)O) to hydrate the compound.
- The product is a ketone formed by the hydration reaction, specified at the carbon chain's end, while a double bond remains on the other end.
2. **Part B:**
- The starter molecule features a cyclohexane ring bonded to a cyclopentane ring with a hydroxyl group (-OH) at one carbon.
- The reactants only include sulfuric acid (H\(_2\)SO\(_4\)).
- The reaction leads to a shift, likely involving a rearrangement similar to a methyl shift, leading to a new fused ring structure as the product.
Make sure to draw the detailed steps](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F47f16b03-5eea-43fc-9b52-7dcc57452af9%2F09ccb5d4-9f47-45d6-bbc6-04b0675ff557%2Fz5jfmys_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Reaction Mechanisms Exercise
#### Instructions:
Complete the mechanisms for the following reactions:
##### A)
\[ \text{Reactants:} \]
- A molecule with a structure showing two alkenes in conjugation separated by one carbon.
- Reagents: \(\ce{H2SO4}\) and \(\ce{H2O}\)
\[ \text{Products:} \]
- A ketone with the carbonyl group attached to the end of a six-carbon chain. One double bond remains at the other end.
\[ \text{Reaction Scheme:} \]
\[ \text{Reactant} \xrightarrow{\ce{H2SO4}, \ce{H2O}} \text{Product} \]
##### B)
\[ \text{Reactants:} \]
- A cyclohexane ring with an OH group on one carbon and a cyclopentane ring (fused structures).
- Reagents: \(\ce{H2SO4}\)
\[ \text{Products:} \]
- A different fused ring structure where the fused positions have changed.
\[ \text{Reaction Scheme:} \]
\[ \text{Reactant} \xrightarrow{\ce{H2SO4}} \text{Product} \]
**Hint:** Consider the methyl shift mechanism. What if you did a similar shift with the quaternary carbon?
---
**Explanation of Diagrams:**
1. **Part A:**
- The starter molecule is a conjugated diene with the formula structure consisting of a six-carbon chain.
- The reactants include sulfuric acid (H\(_2\)SO\(_4\)) and water (H\(_2\)O) to hydrate the compound.
- The product is a ketone formed by the hydration reaction, specified at the carbon chain's end, while a double bond remains on the other end.
2. **Part B:**
- The starter molecule features a cyclohexane ring bonded to a cyclopentane ring with a hydroxyl group (-OH) at one carbon.
- The reactants only include sulfuric acid (H\(_2\)SO\(_4\)).
- The reaction leads to a shift, likely involving a rearrangement similar to a methyl shift, leading to a new fused ring structure as the product.
Make sure to draw the detailed steps
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