how ton lliw anoitoss1 s2sri to smoz Jedi bnim ni go 8. Draw the second-order resonance structures for benzaldehyde and explain why the meta product is formed. H benzaldehyde Br₂ FeBr3 Br → [0 <>0]
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.
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8. Draw the second-order resonance structures for benzaldehyde and explain why the meta product is formed.
H
benzaldehyde
Br₂
FeBr3
H
→ [
Br
[0 <>0]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F49444d66-96b7-45b8-992f-0f6c51b0e4d0%2F08b1f8ad-f5d3-444c-90d8-985a3ca45c10%2Fsk28xs_processed.jpeg&w=3840&q=75)
8)
The resonance structures differ in the position of multiple bonds and non bonding electron. The second-order resonance structures help to explain why electron withdrawing substituents deactivate the ortho and para positions toward electrophilic aromatic substitution.
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