A (S)-1-Bromo-1,2-diphenylethane reacts with a strong base to produce cis-stilbene and trans-stilbene. This reaction is stereoselective. and the major product is trans-stilbene. NOE B. Identify the major and minor product(s) of the following reaction: Br trans-Stibene (major product) cis-Stibene This reaction is stereoselective, and the major product is trans-stilbene. To explain why the trans isomer is the predominant product, use the given template to describe the Newman projection that leads to the formation of each product. Use the following abbreviations, as needed: "Ph" for phenyl, "Me" for methyl, "Et" for ethyl, "H" for hydrogen, and "Br" for bromine. observer Nat Projection 1 trans-stilbene 1: : 2: 3: :4: 5: ΝΙΚΟΕΙ Projection 2 cis-stilbene Position of Br atom: Position of 2nd Ph group: Projection is more stable. eTextbook and Media Ph When (R)-1-bromo-1,2-diphenylethane is used as the starting substrate, the stereochemical outcome does not change. That is, trans-stilbene is still the major product. Explain. The reaction will still proceed via the conformation with the lead to the formation of trans-stilbene. That conformation will Major product(s): 183332 eTextbook and Media Minor product(s): 0 MeO سلام Na Me ?
A (S)-1-Bromo-1,2-diphenylethane reacts with a strong base to produce cis-stilbene and trans-stilbene. This reaction is stereoselective. and the major product is trans-stilbene. NOE B. Identify the major and minor product(s) of the following reaction: Br trans-Stibene (major product) cis-Stibene This reaction is stereoselective, and the major product is trans-stilbene. To explain why the trans isomer is the predominant product, use the given template to describe the Newman projection that leads to the formation of each product. Use the following abbreviations, as needed: "Ph" for phenyl, "Me" for methyl, "Et" for ethyl, "H" for hydrogen, and "Br" for bromine. observer Nat Projection 1 trans-stilbene 1: : 2: 3: :4: 5: ΝΙΚΟΕΙ Projection 2 cis-stilbene Position of Br atom: Position of 2nd Ph group: Projection is more stable. eTextbook and Media Ph When (R)-1-bromo-1,2-diphenylethane is used as the starting substrate, the stereochemical outcome does not change. That is, trans-stilbene is still the major product. Explain. The reaction will still proceed via the conformation with the lead to the formation of trans-stilbene. That conformation will Major product(s): 183332 eTextbook and Media Minor product(s): 0 MeO سلام Na Me ?
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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Transcribed Image Text:A
(S)-1-Bromo-1,2-diphenylethane reacts with a strong base to produce cis-stilbene and trans-stilbene. This reaction is stereoselective.
and the major product is trans-stilbene.
NOE
B.
Identify the major and minor product(s) of the following reaction:
Br
trans-Stibene
(major product)
cis-Stibene
This reaction is stereoselective, and the major product is trans-stilbene. To explain why the trans isomer is the predominant
product, use the given template to describe the Newman projection that leads to the formation of each product. Use the following
abbreviations, as needed: "Ph" for phenyl, "Me" for methyl, "Et" for ethyl, "H" for hydrogen, and "Br" for bromine.
observer
Nat
Projection 1
trans-stilbene
1:
: 2:
3:
:4:
5:
ΝΙΚΟΕΙ
Projection 2
cis-stilbene
Position of Br atom:
Position of 2nd Ph group:
Projection
is more stable.
eTextbook and Media
Ph
When (R)-1-bromo-1,2-diphenylethane is used as the starting substrate, the stereochemical outcome does not change. That is,
trans-stilbene is still the major product. Explain.
The reaction will still proceed via the conformation with the
lead to the formation of trans-stilbene.
That conformation will
Major product(s):
183332
eTextbook and Media
Minor product(s):
0
MeO
سلام
Na Me
?
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