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1. 9-BBN 2. Н2О2/NaOH 9-BBN %3D -BH 3. H*/H2O

1. 9-BBN 2. Н2О2/NaOH 9-BBN %3D -BH 3. H*/H2O

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 all products that are formed during the 3 reaction steps.

The image depicts a chemical reaction where a molecule containing a phenyl group with a triple bond (alkyne) undergoes a hydroboration-oxidation process using the following reagents: 1. **9-BBN (9-Borabicyclo[3.3.1]nonane):** This reagent is shown in a cyclic structure on the right side of the image, where a boron atom (BH) is part of the bicyclic structure. 2. **Hydrogen Peroxide/Sodium Hydroxide (H₂O₂/NaOH):** These reagents are used to oxidize the boron-alkane complex formed in the first step. 3. **Acidic Work-up (H⁺/H₂O):** The final step involving an acidic work-up to convert the organoboron intermediate into the corresponding alcohol. The reaction begins with the addition of 9-BBN to the alkyne, forming an organoboron intermediate. Subsequent oxidation and hydrolysis produce the alcohol. This transformation is useful for converting alkynes to aldehydes or ketones, depending on the substrate and reaction conditions.
Transcribed Image Text:The image depicts a chemical reaction where a molecule containing a phenyl group with a triple bond (alkyne) undergoes a hydroboration-oxidation process using the following reagents: 1. **9-BBN (9-Borabicyclo[3.3.1]nonane):** This reagent is shown in a cyclic structure on the right side of the image, where a boron atom (BH) is part of the bicyclic structure. 2. **Hydrogen Peroxide/Sodium Hydroxide (H₂O₂/NaOH):** These reagents are used to oxidize the boron-alkane complex formed in the first step. 3. **Acidic Work-up (H⁺/H₂O):** The final step involving an acidic work-up to convert the organoboron intermediate into the corresponding alcohol. The reaction begins with the addition of 9-BBN to the alkyne, forming an organoboron intermediate. Subsequent oxidation and hydrolysis produce the alcohol. This transformation is useful for converting alkynes to aldehydes or ketones, depending on the substrate and reaction conditions.
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