Draw one of the two major isomers of monohalogenation produced in this reaction. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable.
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.
![### Monohalogenation Reaction of an Alkane
**Objective:**
Draw one of the two major isomers resulting from the monohalogenation reaction given below. Use a dash or a wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable.
**Chemical Structure:**
- The given structure is a linear alkane with a zigzag chain.
- There is an indication of stereochemistry with a solid wedge bond protruding upwards from the middle carbon, suggesting it as a focus point for asymmetric centers.
**Reaction Conditions:**
- The reaction involves bromination using Br₂ (1 equivalent) under the influence of light (hv).
**Instructions:**
- Identify the carbon atoms in the alkane that can react under the given conditions.
- Consider the stability of potential radicals formed during the reaction to determine the major products.
- Draw the two major isomers that form after one bromine atom is added to the alkane.
- Represent any applicable stereochemistry using standard dash (for bonds going away from the viewer) and wedge notation (for bonds coming toward the viewer).
### Key Concepts:
- **Monohalogenation:** This is a substitution reaction where a halogen atom, in this case, bromine, replaces a hydrogen atom in the alkane.
- **Radical Stability:** More stable radicals will form more readily, influencing which isomers are major products.
- **Stereochemistry:** Understanding and representing the 3D arrangement of atoms in molecules is critical for identifying isomer variants.
This fundamental understanding helps students predict products and comprehend stereochemical effects in halogenation reactions.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9b60de5f-8fb0-4e3b-8258-2de6c1a93a8c%2F5cdade8e-c78b-491c-9011-bd6f5b8b47ca%2F882qlc8_processed.png&w=3840&q=75)
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