(c) H OH Co ayo OH (e) "&=&=& NH3 (aq) H MeOOC OH HA, - H₂O OH COOMe - HA "&&& HO OH H A 1) LiAlH₂O 2) H₂O+ MeOOC COOMe Any ester where ethylene glycol displaces methanol (hy transesterification) will be HOH2C Ac₂0 pyridine CH₂OAC AcOH2C CH₂OH Aqueous acid workup removes acetal (ketal)
(c) H OH Co ayo OH (e) "&=&=& NH3 (aq) H MeOOC OH HA, - H₂O OH COOMe - HA "&&& HO OH H A 1) LiAlH₂O 2) H₂O+ MeOOC COOMe Any ester where ethylene glycol displaces methanol (hy transesterification) will be HOH2C Ac₂0 pyridine CH₂OAC AcOH2C CH₂OH Aqueous acid workup removes acetal (ketal)
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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Question
Can you propose a mechansim for these problems?
![(c)
(e)
MeOOC
H
H
H
"&=&=&
Ag+
NH3 (aq)
OH
OH
OH
axo.
Cl
HO
OH
HA, - H₂O
COOMe
OH
O
HA
A
- H₂O
1) LiAlH₂016
2) H3O+
MeOOC
COOMe
Any ester where ethylene glycol displaces
methanol (by transesterification) will be
reduced with LiAlH4.
Ac₂0
pyridine
HOH₂C CH₂OH
Aqueous acid workup
removes acetal (ketal)
protecting group.
AcOH2C
CH₂OAc](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd824104a-96bc-4561-8672-0656666c77c0%2Fe736c754-51d0-4725-874c-59605321b524%2F99hhl32_processed.png&w=3840&q=75)
Transcribed Image Text:(c)
(e)
MeOOC
H
H
H
"&=&=&
Ag+
NH3 (aq)
OH
OH
OH
axo.
Cl
HO
OH
HA, - H₂O
COOMe
OH
O
HA
A
- H₂O
1) LiAlH₂016
2) H3O+
MeOOC
COOMe
Any ester where ethylene glycol displaces
methanol (by transesterification) will be
reduced with LiAlH4.
Ac₂0
pyridine
HOH₂C CH₂OH
Aqueous acid workup
removes acetal (ketal)
protecting group.
AcOH2C
CH₂OAc
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