Why is it difficult to stop the halogenation of ketones under basic conditions at the mono-halogenated stage? The bromine helps to stabilize the second enolate, making the product more acidic than the starting material. The ketone is reduced. The ketone undergoes a Bayer-Villigar oxidation. The ketone undergoes an Aldol reaction.
Why is it difficult to stop the halogenation of ketones under basic conditions at the mono-halogenated stage? The bromine helps to stabilize the second enolate, making the product more acidic than the starting material. The ketone is reduced. The ketone undergoes a Bayer-Villigar oxidation. The ketone undergoes an Aldol reaction.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![Why is it difficult to stop the halogenation of ketones under basic conditions at the mono-halogenated stage?
The bromine helps to stabilize the second enolate, making the product more acidic than the starting material.
The ketone is reduced.
The ketone undergoes a Bayer-Villigar oxidation.
The ketone undergoes an Aldol reaction.
Which is the thermodynamic enolate of 2-methylcyclohexanone?
0000
11
|||
IV
11
O₂N
What is the best choice of reagents to complete the following reaction?
III
[1]NaBH4, CH3OH; [2] H₂CRO4
[1]BH3: H₂O2, NaOH; [2] PCC
[1]H2SO4, H2O: [2] PCC
[1]H2SO4, H2O: [2] DIBAL-H, 1 eq.
IV
[1] Zn(Hg), HCl, 1 eq.[2] Na2Cr2O7, H2SO4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa2be1d38-35fb-42d3-9555-5f0bdf65651e%2F6555d53f-71ac-4865-bbeb-3ea1767b998c%2Fxm3915v_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Why is it difficult to stop the halogenation of ketones under basic conditions at the mono-halogenated stage?
The bromine helps to stabilize the second enolate, making the product more acidic than the starting material.
The ketone is reduced.
The ketone undergoes a Bayer-Villigar oxidation.
The ketone undergoes an Aldol reaction.
Which is the thermodynamic enolate of 2-methylcyclohexanone?
0000
11
|||
IV
11
O₂N
What is the best choice of reagents to complete the following reaction?
III
[1]NaBH4, CH3OH; [2] H₂CRO4
[1]BH3: H₂O2, NaOH; [2] PCC
[1]H2SO4, H2O: [2] PCC
[1]H2SO4, H2O: [2] DIBAL-H, 1 eq.
IV
[1] Zn(Hg), HCl, 1 eq.[2] Na2Cr2O7, H2SO4
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