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OH 1. OsO4 CH5 H. 2. NaHSO3 H20 1 2 3 4

OH 1. OsO4 CH5 H. 2. NaHSO3 H20 1 2 3 4

Chemistry
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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What is the major organic product obtained from the following reaction?

### Transcription and Explanation #### Chemical Reaction Sequence: 1. **Starting Material**: - A cyclohexene molecule with a methyl group (CH₃) attached. 2. **Reaction Conditions**: - Step 1: Treatment with Osmium tetroxide (OsO₄). - Step 2: Reduction with sodium bisulfite (NaHSO₃) in water (H₂O). 3. **Reaction Products**: - **Compound 1**: A cyclohexane ring with three additional groups: - Two hydroxyl groups (OH) added in a syn dihydroxylation manner (both OH groups on the same side). - The methyl group (CH₃) is positioned above the plane of the ring, with one OH group also above and the other below the plane. - **Compound 2**: Similar cyclohexane structure with: - Two hydroxyl groups (OH) added. This time, the orientations differ slightly from Compound 1. - The methyl group (CH₃) is on the same side as one OH, while the other OH is on the opposite side. - **Compound 3**: A simplified version showing: - Only one hydroxyl group (OH) and one methyl group (CH₃) on the cyclohexane ring. - **Compound 4**: Not directly related to the compounds above: - A linear molecule with a methyl group, two carbonyl groups (C=O), and an aldehyde group. It is a compound typically unrelated to syn dihydroxylation reactions and may be used separately for illustrative purposes. #### Diagram Explanation: - The diagram represents a syn dihydroxylation reaction where an alkene (cyclohexene in this case) is converted into a diol through the catalytic action of OsO₄ followed by reduction with NaHSO₃. - Structural formulas illustrate the stereochemistry of products indicating the orientation of added hydroxyl groups. - Compounds 1, 2, and 3 show variations of stereochemical configurations possible depending on the initial reaction outcome. Compound 4, although shown, is not a direct product of this specific reaction sequence.
Transcribed Image Text:### Transcription and Explanation #### Chemical Reaction Sequence: 1. **Starting Material**: - A cyclohexene molecule with a methyl group (CH₃) attached. 2. **Reaction Conditions**: - Step 1: Treatment with Osmium tetroxide (OsO₄). - Step 2: Reduction with sodium bisulfite (NaHSO₃) in water (H₂O). 3. **Reaction Products**: - **Compound 1**: A cyclohexane ring with three additional groups: - Two hydroxyl groups (OH) added in a syn dihydroxylation manner (both OH groups on the same side). - The methyl group (CH₃) is positioned above the plane of the ring, with one OH group also above and the other below the plane. - **Compound 2**: Similar cyclohexane structure with: - Two hydroxyl groups (OH) added. This time, the orientations differ slightly from Compound 1. - The methyl group (CH₃) is on the same side as one OH, while the other OH is on the opposite side. - **Compound 3**: A simplified version showing: - Only one hydroxyl group (OH) and one methyl group (CH₃) on the cyclohexane ring. - **Compound 4**: Not directly related to the compounds above: - A linear molecule with a methyl group, two carbonyl groups (C=O), and an aldehyde group. It is a compound typically unrelated to syn dihydroxylation reactions and may be used separately for illustrative purposes. #### Diagram Explanation: - The diagram represents a syn dihydroxylation reaction where an alkene (cyclohexene in this case) is converted into a diol through the catalytic action of OsO₄ followed by reduction with NaHSO₃. - Structural formulas illustrate the stereochemistry of products indicating the orientation of added hydroxyl groups. - Compounds 1, 2, and 3 show variations of stereochemical configurations possible depending on the initial reaction outcome. Compound 4, although shown, is not a direct product of this specific reaction sequence.
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