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OsO4 (catalytic) NMO ОН т…... ПОН

OsO4 (catalytic) NMO ОН т…... ПОН

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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draw the starting structure that would lead to this major product (and its enantiomer) under these conditions

**Osmium Tetroxide Catalysis in Cycloalkene Dihydroxylation** This diagram illustrates the dihydroxylation of a cycloalkene using osmium tetroxide (OsO₄) and N-methylmorpholine N-oxide (NMO) as a co-oxidant. The process converts a double bond in a cycloalkene into a vicinal diol, where two hydroxyl (OH) groups are added to adjacent carbon atoms. **Reagents and Conditions:** - **OsO₄ (catalytic):** Acts as the catalyst to facilitate the reaction. Only a small amount is needed because it is regenerated during the process. - **NMO:** Used as a stoichiometric reoxidant to regenerate OsO₄ from its reduced form, thus allowing the catalytic cycle to continue. **Product Details:** - The resulting compound is a cyclopentane ring with two hydroxyl groups added in a syn-fashion (on the same side of the ring). **Visual Explanation:** - The arrow pointing downward indicates the direction of the reaction. - The structural formula of the product shows the added OH groups with wedge bonds, indicating their orientation in three-dimensional space relative to the ring structure.
Transcribed Image Text:**Osmium Tetroxide Catalysis in Cycloalkene Dihydroxylation** This diagram illustrates the dihydroxylation of a cycloalkene using osmium tetroxide (OsO₄) and N-methylmorpholine N-oxide (NMO) as a co-oxidant. The process converts a double bond in a cycloalkene into a vicinal diol, where two hydroxyl (OH) groups are added to adjacent carbon atoms. **Reagents and Conditions:** - **OsO₄ (catalytic):** Acts as the catalyst to facilitate the reaction. Only a small amount is needed because it is regenerated during the process. - **NMO:** Used as a stoichiometric reoxidant to regenerate OsO₄ from its reduced form, thus allowing the catalytic cycle to continue. **Product Details:** - The resulting compound is a cyclopentane ring with two hydroxyl groups added in a syn-fashion (on the same side of the ring). **Visual Explanation:** - The arrow pointing downward indicates the direction of the reaction. - The structural formula of the product shows the added OH groups with wedge bonds, indicating their orientation in three-dimensional space relative to the ring structure.
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