Addition of water to an alkyne gives a keto-enol tautomer product. Draw the ketone that is in equilibrium with the gi...

Question

Question

Addition of water to an alkyne gives a keto-enol t

Addition of water to an alkyne gives a keto-enol tautomer product. Draw the ketone that is in equilibrium with the given enol.

Answer 1

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Answer #1

Concepts and reason

The concept is to draw the structure of ketone from the given enol.

Fundamentals

If hydroxy group is attached to double bonded carbon, then it is called as enol.

Enols are less stable. So, they are readily converted to either aldehydes or ketones. This process is called keto-enol tautomerism.

Given structure of enol is,

The reaction is,

H
4-methylpentan-2-one
(Z)-4-methylpent-2-en-2-ol

Ans:

Thus, the structure of ketone is,

Answer 2

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