How many enol forms are possible for CH_3-CH_ | vedclass

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(C) The given compound is $Hexan-3-one$: $CH_3-CH_2-C(=O)-CH_2-CH_2-CH_3$. Enolization can occur at two different $\alpha$-carbons: $1.$ At $C2$: $CH_

Vedclass · Accepted Answer

$4$

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(C) The given compound is $Hexan-3-one$: $CH_3-CH_2-C(=O)-CH_2-CH_2-CH_3$. Enolization can occur at two different $\alpha$-carbons: $1.$ At $C2$: $CH_3-CH=C(OH)-CH_2-CH_2-CH_3$. This enol has a carbon-carbon double bond with different groups on each carbon,so it shows geometrical isomerism ($E$ and $Z$ forms). ($2$ forms) $2.$ At $C4$: $CH_3-CH_2-C(OH)=CH-CH_2-CH_3$. This enol also shows geometrical isomerism ($E$ and $Z$ forms). ($2$ forms) Total number of enol forms = $2 + 2 = 4$.

How many enol forms are possible for $CH_3-CH_2-C(=O)-CH_2-CH_2-CH_3$ (including stereoisomers)?

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