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HBr, ether с. 1. BH3, THF; 2. H2O2, OH d. CHCI3,KOH е.

HBr, ether с. 1. BH3, THF; 2. H2O2, OH d. CHCI3,KOH е.

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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Predict the major product of the following reactions.

### Organic Reaction Schemes The image displays three organic reaction schemes, labeled c, d, and e, involving cyclohexene derivatives reacting with different reagents. #### Reaction Scheme c: - **Reactant:** Cyclohexene with a methyl group. - **Reagent:** \( \text{HBr, ether} \) - **Reaction Pathway:** The addition of hydrobromic acid (HBr) in the presence of ether. #### Reaction Scheme d: - **Reactant:** Cyclohexene with a different placement of a methyl group. - **Reagents:** 1. \( \text{BH}_3, \text{THF} \) (Tetrahydrofuran) 2. \( \text{H}_2\text{O}_2, \text{OH}^- \) - **Reaction Pathway:** A two-step hydroboration-oxidation process. #### Reaction Scheme e: - **Reactant:** Cyclohexene with a methyl group in another orientation. - **Reagent:** \( \text{CHCl}_3, \text{KOH} \) - **Reaction Pathway:** Formation of a dichlorocarbene intermediate to yield a cyclopropane derivative. Each scheme illustrates typical transformations in organic chemistry involving cyclic alkenes and provides insight into different functional group modifications.
Transcribed Image Text:### Organic Reaction Schemes The image displays three organic reaction schemes, labeled c, d, and e, involving cyclohexene derivatives reacting with different reagents. #### Reaction Scheme c: - **Reactant:** Cyclohexene with a methyl group. - **Reagent:** \( \text{HBr, ether} \) - **Reaction Pathway:** The addition of hydrobromic acid (HBr) in the presence of ether. #### Reaction Scheme d: - **Reactant:** Cyclohexene with a different placement of a methyl group. - **Reagents:** 1. \( \text{BH}_3, \text{THF} \) (Tetrahydrofuran) 2. \( \text{H}_2\text{O}_2, \text{OH}^- \) - **Reaction Pathway:** A two-step hydroboration-oxidation process. #### Reaction Scheme e: - **Reactant:** Cyclohexene with a methyl group in another orientation. - **Reagent:** \( \text{CHCl}_3, \text{KOH} \) - **Reaction Pathway:** Formation of a dichlorocarbene intermediate to yield a cyclopropane derivative. Each scheme illustrates typical transformations in organic chemistry involving cyclic alkenes and provides insight into different functional group modifications.
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