Essential Organic Chemistry, Global Edition
Essential Organic Chemistry, Global Edition
3rd Edition
ISBN: 9781292089034
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 6.14, Problem 23P
Interpretation Introduction

Interpretation:

The ketones which are formed in the acid-catalysed hydration of 3-heptyne have to be identified.

Concept Introduction:

Acid Catalysed addition of water: When water is added to alkyne in the presence of an acid, the product formed will be an enol.  Enol contains a double bond and a OH group.  The OH group is bonded to one of the sp2 carbons.

If a carbonyl group is bonded to two alkyl groups, it is called as a ketone.  The enol formed in the acid catalysed addition of water will be easily converted into a ketone.

Conversion of terminal alkynes into enol: If we want to convert terminal alkyne into an enol, the presence of mercuric ion as a catalyst should be needed and the catalyst will increase the rate of the reaction.

  Essential Organic Chemistry, Global Edition, Chapter 6.14, Problem 23P

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