Complete the following keto-enol tautomerizations. Which of these (I, II, III) is expected to have the highest percentage of enol tautomer at equilibrium? You may assume the nitrogen is non-reactive in the tautomerization. II

Complete the following keto-enol tautomerizations. Which of these (I, II, III) is expected to have the highest percentage of enol tautomer at equilibrium? You may assume the nitrogen is non-reactive in the tautomerization. II

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter23: Carbonyl Condensation Reactions

Section23.SE: Something Extra

Problem 24VC

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Concept explainers

Aldehydes and Ketones

Aldehydes and ketones are organic compounds that have a carbonyl group, C = O, as their functional group. They both differ in the placement of this carbonyl group in their structures.

Question

Complete the following keto-enol tautomerizations. Which of these (I, II, III) is expected to have the highest percentage of enol tautomer at equilibrium? You may assume the nitrogen is non-reactive in the tautomerization.
I
II
II

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