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Supply reajents (1) O3 (-78°c) (2) (CH3)a' KMaOy / Hz0 heat Brz (oulvent) (') Hg COAdla / Hzo (2) NABHY

Supply reajents (1) O3 (-78°c) (2) (CH3)a' KMaOy / Hz0 heat Brz (oulvent) (') Hg COAdla / Hzo (2) NABHY

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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### Organic Chemistry Reactions Below are the reaction schemes and reagents used for various organic transformations starting with a six-membered ring structure as the base compound. 1. **Initial Reaction Scheme** - **Reactant:** Six-membered ring with one double bond (cyclohexene). - **Reagents:** 1. **Step 1:** O<sub>3</sub> at -78°C (Ozonolysis). 2. **Step 2:** (CH<sub>3</sub>)<sub>2</sub>S (Dimethyl sulfide). - **Product:** Results in the cleavage of the double bond. 2. **Oxidation Reaction Scheme** - **Reactant:** Six-membered ring with double bond. - **Reagents:** - KMnO<sub>4</sub> in the presence of H<sub>2</sub>O and heat. - **Product:** This oxidizes the double bond. 3. **Bromination Reaction Scheme** - **Reactant:** Six-membered ring with double bond. - **Reagent:** Br<sub>2</sub> in a CCl<sub>4</sub> solvent (Bromination). - **Product:** Forms a brominated compound. 4. **Hydroboration-Oxidation Reaction Scheme** - **Reactant:** Six-membered ring with double bond. - **Reagents:** 1. Hg(OAc)<sub>2</sub> in H<sub>2</sub>O. 2. NaBH<sub>4</sub> (Sodium borohydride). - **Product:** Forms an alcohol through hydroboration-oxidation. ### Diagram Explanation The diagram presents a schematic progression for different chemical reactions of a six-membered carbon ring (cyclohexene). Each reaction starts from the same base compound but proceeds with different reagents resulting in various products: 1. **Ozonolysis**: Uses ozone and dimethyl sulfide to cleave the double bond. 2. **Oxidation**: Potassium permanganate with water and heat to oxidize the ring. 3. **Bromination**: Bromine in carbon tetrachloride to add bromine across the double bond. 4. **Hydroboration-Oxidation**:
Transcribed Image Text:### Organic Chemistry Reactions Below are the reaction schemes and reagents used for various organic transformations starting with a six-membered ring structure as the base compound. 1. **Initial Reaction Scheme** - **Reactant:** Six-membered ring with one double bond (cyclohexene). - **Reagents:** 1. **Step 1:** O<sub>3</sub> at -78°C (Ozonolysis). 2. **Step 2:** (CH<sub>3</sub>)<sub>2</sub>S (Dimethyl sulfide). - **Product:** Results in the cleavage of the double bond. 2. **Oxidation Reaction Scheme** - **Reactant:** Six-membered ring with double bond. - **Reagents:** - KMnO<sub>4</sub> in the presence of H<sub>2</sub>O and heat. - **Product:** This oxidizes the double bond. 3. **Bromination Reaction Scheme** - **Reactant:** Six-membered ring with double bond. - **Reagent:** Br<sub>2</sub> in a CCl<sub>4</sub> solvent (Bromination). - **Product:** Forms a brominated compound. 4. **Hydroboration-Oxidation Reaction Scheme** - **Reactant:** Six-membered ring with double bond. - **Reagents:** 1. Hg(OAc)<sub>2</sub> in H<sub>2</sub>O. 2. NaBH<sub>4</sub> (Sodium borohydride). - **Product:** Forms an alcohol through hydroboration-oxidation. ### Diagram Explanation The diagram presents a schematic progression for different chemical reactions of a six-membered carbon ring (cyclohexene). Each reaction starts from the same base compound but proceeds with different reagents resulting in various products: 1. **Ozonolysis**: Uses ozone and dimethyl sulfide to cleave the double bond. 2. **Oxidation**: Potassium permanganate with water and heat to oxidize the ring. 3. **Bromination**: Bromine in carbon tetrachloride to add bromine across the double bond. 4. **Hydroboration-Oxidation**:
**Title:** Predicting Major Products in Organic Reactions **Instructions:** Predict the major product for the following reactions, showing the correct stereochemistry and/or regiochemistry where applicable. Where requested, supply the reagents. **Reactions:** 1. **Reaction 1:** - **Substrate:** Cyclohexene derivative (one alkene in the ring, with an ethyl group attached) - **Reagent:** \( \text{HBr} \) - **Reaction Arrow:** Indicates forward reaction 2. **Reaction 2:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents:** - **Primary Reagent:** \( \text{HBr} \) - **Secondary Reagent:** \( \text{ROOR} \) (organoperoxide) - **Reaction Arrow:** Indicates forward reaction 3. **Reaction 3:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents:** - **Primary Reagent:** \( \text{MCPBA} \) (meta-Chloroperoxybenzoic acid) - **Solvent:** \( \text{CH}_2\text{Cl}_2 \) (Dichloromethane) - **Reaction Arrow:** Indicates forward reaction 4. **Reaction 4:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents:** - **Primary Reagent:** \( \text{OsO}_4 \) (Osmium tetroxide) - **Secondary Reagent:** \( \text{H}_2\text{O}_2 \) (Hydrogen peroxide) - **Reaction Arrow:** Indicates forward reaction 5. **Reaction 5:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents:** - **Primary Reagent:** \( \text{CH}_2\text{I}_2 \) (Diiodomethane) - **Catalyst:** \( \text{Zn(Cu)} \) (Simmons-Smith reagent) - **Reaction Arrow:** Indicates forward reaction 6. **Reaction 6:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents
Transcribed Image Text:**Title:** Predicting Major Products in Organic Reactions **Instructions:** Predict the major product for the following reactions, showing the correct stereochemistry and/or regiochemistry where applicable. Where requested, supply the reagents. **Reactions:** 1. **Reaction 1:** - **Substrate:** Cyclohexene derivative (one alkene in the ring, with an ethyl group attached) - **Reagent:** \( \text{HBr} \) - **Reaction Arrow:** Indicates forward reaction 2. **Reaction 2:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents:** - **Primary Reagent:** \( \text{HBr} \) - **Secondary Reagent:** \( \text{ROOR} \) (organoperoxide) - **Reaction Arrow:** Indicates forward reaction 3. **Reaction 3:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents:** - **Primary Reagent:** \( \text{MCPBA} \) (meta-Chloroperoxybenzoic acid) - **Solvent:** \( \text{CH}_2\text{Cl}_2 \) (Dichloromethane) - **Reaction Arrow:** Indicates forward reaction 4. **Reaction 4:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents:** - **Primary Reagent:** \( \text{OsO}_4 \) (Osmium tetroxide) - **Secondary Reagent:** \( \text{H}_2\text{O}_2 \) (Hydrogen peroxide) - **Reaction Arrow:** Indicates forward reaction 5. **Reaction 5:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents:** - **Primary Reagent:** \( \text{CH}_2\text{I}_2 \) (Diiodomethane) - **Catalyst:** \( \text{Zn(Cu)} \) (Simmons-Smith reagent) - **Reaction Arrow:** Indicates forward reaction 6. **Reaction 6:** - **Substrate:** Cyclohexene derivative (same as above) - **Reagents
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