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Why beta ketoester do not give haloform ...

Why `beta` ketoester do not give haloform test?
`CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-OC_(2)H_(5)`

Text Solution

Verified by Experts

`H-underset(H)underset(|)overset(H)overset(|)(C)underset(sp^(3))rarr-overset(O)overset(||)underset(sp^(2))(C)rarr-underset(H.)underset(|)overset(H.)overset(|)(C)underset(sp^(3))rarr-underset(sp^(2))overset(O)overset(||)(C)-OC_(2)H_(5)`
H. is more acidic.
`therefore` The halogen will replace H. instead of H.
`overset(Cl_(2))rarrH-underset(H)underset(|)overset(H)overset(|)(C)-overset(O)overset(||)(C)-C(Cl)_(2)-overset(O)overset(||)(C)-CH_(3)`
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