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Why di-tertiary butyl ether cannot be pr...

Why di-tertiary butyl ether cannot be prepared byWilliamson’s synthesis ?

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It is due to elimination in case of `3^(@)` alkyl group
`CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-Cl+CH_(3)-O^(-)Na^(+)toCH_(3)-underset(CH_(2))underset(||)overset(CH_(3))overset(|)(C)+CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-OH+NaCl`
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