Which of the following schemes is the best mechanism for the base-catalyzed conversion of 2-butanone to the enol tautomer shown below? :0::OH"OHMechanism IMechanism II:0::OH+ HоMechanism III:OHMechanism IV:0::OH*: OH(a) Mechanism IV only(b) Mechanism I only(c) Mechanism II only(d) Mechanism III only(e) All of the above

Answered: :0: :OH "OH Mechanism I :0: Mechanism I…

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:0: :OH "OH Mechanism I :0: Mechanism I :0: + H,0 Mechanism III :OH Mechanism IV :0: :OH *: OH (a) Mechanism IV only

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter23: Amines

Section: Chapter Questions

Problem 23.38P: (S)-Glutamic acid is one of the 20 amino acid building blocks of polypeptides and proteins (Chapter...

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Question

Which of the following schemes is the best mechanism for the base-catalyzed conversion of 2-butanone to the enol tautomer shown below?

:0:
:OH
"OH
Mechanism I
Mechanism II
:0:
:OH
+ Hо
Mechanism III
:OH
Mechanism IV
:0:
:OH
*: OH
(a) Mechanism IV only
(b) Mechanism I only
(c) Mechanism II only
(d) Mechanism III only
(e) All of the above

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