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Write equations for the preparation of t...

Write equations for the preparation of the following ethers by Williamson's synthesis.
(a) Ethoxy benzene (b) 1-Methoxyethane (c) 2-Methyl-2-methoxypropane
(d) 1-Propoxypropane (e) 1-Ethoxy-2,2-dimethylpropane

Text Solution

Verified by Experts

(a)
(b) `underset("Sodium ethoxide")(CH_(3)CH_(2)ONa)+ underset("Bromonethane")(CH_(3)Br)to underset("1-Methoxyethane")(CH_(3)OCH_(2)CH_(3))+NaBr`
(c) `underset("Sodium-2-methyl-2-propoxide")underset(CH_(3))underset(|) overset(CH_(3))overset(|)(CH_(3)-C-ONa)+underset("Bromoethane")(BrCH_(3)) to underset("2-Methyl-2-methoxypropane")underset(CH_(2))underset(|) overset(CH_(3)) overset(|)(CH_(3)-C-OCH_(3))+NaBr`
(d) `underset("Sodium propoxide")(CH_(3)CH_(2)CH_(2)ONa)+underset("1-Bromopropane")(CH_(3)CH_(2)CH_(2)Br) to underset("1-Propoxypropane")(CH_(3)CH_(2)CH_(2)OCH_(2)CH_(2)CH_(3))+NaBr`
`underset("Sodium 2,2-methyl propoxide")underset(CH_(3))underset(|)overset(CH_(3)) overset(|)(CH_(3)-C-CH_(2))ONa+underset("Bromoethane")(CH_(3)CH_(2)Br) tounderset("1-Ethoxy-2,2-dimethylpropane")underset(CH_(3))underset(|) overset(CH_(3)) overset(|)(CH_(3)-C-CH_(2))OCH_(2)CH_(3)`
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