9. Draw the structure of product, substrate or condition in the following reactions (should clearly show the stereochemistry). Ме 12, KI, NaHCO3 OH а) Ме C9H13021 Me BH3 "Me b) then H2O2, NaOH OH Me
9. Draw the structure of product, substrate or condition in the following reactions (should clearly show the stereochemistry). Ме 12, KI, NaHCO3 OH а) Ме C9H13021 Me BH3 "Me b) then H2O2, NaOH OH Me
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Reactions of Ethers
Ethers (R-O-R’) are compounds formed by replacing hydrogen atoms of an alcohol (R-OH compound) or a phenol (C6H5OH) by an aryl/ acyl group (functional group after removing single hydrogen from an aromatic ring). In this section, reaction, preparation and behavior of ethers are discussed in the context of organic chemistry.
Epoxides
Epoxides are a special class of cyclic ethers which are an important functional group in organic chemistry and generate reactive centers due to their unusual high reactivity. Due to their high reactivity, epoxides are considered to be toxic and mutagenic.
Williamson Ether Synthesis
An organic reaction in which an organohalide and a deprotonated alcohol forms ether is known as Williamson ether synthesis. Alexander Williamson developed the Williamson ether synthesis in 1850. The formation of ether in this synthesis is an SN2 reaction.
Question
Transcribed Image Text:9. Draw the structure of product, substrate or condition in the following reactions (should clearly show the stereochemistry).
a) The substrate is a cyclohexene derivative with a carboxylic acid and methyl group. The reaction involves I₂, KI, and NaHCO₃, resulting in a product with the formula C₉H₁₃O₂I.
b) The reaction involves borane (BH₃) followed by hydrogen peroxide (H₂O₂) and sodium hydroxide (NaOH). The product is a cyclopentanol derivative with a methyl group at the second and third carbons, showing specific stereochemistry.
![### Chemical Reactions and Mechanisms
The image displays a series of organic chemistry reactions, which are detailed below:
#### Reaction (c)
- **Reactant:** Cyclohexene
- **Reagents:** Bromine (Br₂) and water (H₂O)
- **Product:** The product of this reaction would be a bromohydrin, where one bromine atom and one hydroxyl group (OH) add across the double bond of cyclohexene.
#### Reaction (d)
- **Reactant:** 1,1,1-Trifluoro-3-methyl-2-butene
- **Reagent:** Hydroiodic acid (HI)
- **Product:** The reaction presumably produces an iodinated compound where the iodine adds to the more substituted carbon (following Markovnikov's rule).
#### Reaction (e)
- **Reactant:** Bicyclo[2.2.1]hept-2-ene (norbornene)
- **Conversion:** The diagram depicts the conversion to a diol with syn stereochemistry, indicating hydroboration-oxidation or similar addition across the double bond.
#### Reaction (f)
- **Reactant:** Diphenylethene (stilbene)
- **Reagent:** Bromine (Br₂)
- **Product:** A dibromide is formed with anti addition of bromine across the double bond, resulting in two bromine atoms added to the ethene component.
These reactions represent typical addition reactions in organic chemistry, showcasing the transformations of alkenes with various reagents. They demonstrate the concepts of regioselectivity and stereochemistry in reaction mechanisms.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa5904a14-2928-45da-8e17-e11582afa972%2F0252d36d-a8a4-4f8a-9c19-e2dbd15774ee%2Fm4jb4tg_processed.png&w=3840&q=75)
Transcribed Image Text:### Chemical Reactions and Mechanisms
The image displays a series of organic chemistry reactions, which are detailed below:
#### Reaction (c)
- **Reactant:** Cyclohexene
- **Reagents:** Bromine (Br₂) and water (H₂O)
- **Product:** The product of this reaction would be a bromohydrin, where one bromine atom and one hydroxyl group (OH) add across the double bond of cyclohexene.
#### Reaction (d)
- **Reactant:** 1,1,1-Trifluoro-3-methyl-2-butene
- **Reagent:** Hydroiodic acid (HI)
- **Product:** The reaction presumably produces an iodinated compound where the iodine adds to the more substituted carbon (following Markovnikov's rule).
#### Reaction (e)
- **Reactant:** Bicyclo[2.2.1]hept-2-ene (norbornene)
- **Conversion:** The diagram depicts the conversion to a diol with syn stereochemistry, indicating hydroboration-oxidation or similar addition across the double bond.
#### Reaction (f)
- **Reactant:** Diphenylethene (stilbene)
- **Reagent:** Bromine (Br₂)
- **Product:** A dibromide is formed with anti addition of bromine across the double bond, resulting in two bromine atoms added to the ethene component.
These reactions represent typical addition reactions in organic chemistry, showcasing the transformations of alkenes with various reagents. They demonstrate the concepts of regioselectivity and stereochemistry in reaction mechanisms.
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