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OpenStudy (abhisar):

(Tautomerism Help!) What will be the enol form of following keto compound?

OpenStudy (abhisar):

This is the given compound|dw:1451915422586:dw|

OpenStudy (abhisar):

I have done it like this |dw:1451915454421:dw|

OpenStudy (abhisar):

Can I do it like this too? |dw:1451915483065:dw|

OpenStudy (abhisar):

@Kainui ?

OpenStudy (kainui):

It can happen that second way but not the major one for sure. it's less stable for I guess at least three reasons or so. It's a terminal alkene, it's not conjugated, and the other spot is just more acidic since it's essentially doubly allylic.

OpenStudy (abhisar):

Yessss!!! In the first one enol form has H-bonding + Resonance stability. Right?

OpenStudy (kainui):

Yeah I think so

OpenStudy (abhisar):

Thank you <3

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