Step 1: Step 2: (E)-(1-(diphenylphosphoryl)but-2-en- 1-yl)lithium H Step 3: H Step 4: OH (S)-4-(2-(5-hydroxypentyl)-1,3-dioxolan-2-yl)-2-methylbutanal PPh₂ OH PPh₂ THE HMPA Ph₂ _OH PPh₂ ů OH H H o PPh₂ OH PPh₂ O_ O™ PPh₂ OH Li+ O=PPh₂ H 5-(2-((S,4E,6E)-3-methylocta-4,6-dien-1-yl)-1,3-dioxolan-2-yl)pentan-1-ol
Step 1: Step 2: (E)-(1-(diphenylphosphoryl)but-2-en- 1-yl)lithium H Step 3: H Step 4: OH (S)-4-(2-(5-hydroxypentyl)-1,3-dioxolan-2-yl)-2-methylbutanal PPh₂ OH PPh₂ THE HMPA Ph₂ _OH PPh₂ ů OH H H o PPh₂ OH PPh₂ O_ O™ PPh₂ OH Li+ O=PPh₂ H 5-(2-((S,4E,6E)-3-methylocta-4,6-dien-1-yl)-1,3-dioxolan-2-yl)pentan-1-ol
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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I have attached the reaction and mechanism. So please discuss any stereochemistry issues or regioselectivity. Is there any selectivity? Or by using PPh2 there is some selectivity?? I don't understand how much simpler I can make this question as it keeps getting rejected by experts.
![THF, HMPA
[HWE -> Diene]
Oxide+Aldehyde]
юH]
0
ОН
PPh₂
у
OH](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb7a09109-4597-430e-a6f4-7beef1210f29%2F227270f1-9c3d-435e-880e-c8190e03b2d1%2F0v3zlk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:THF, HMPA
[HWE -> Diene]
Oxide+Aldehyde]
юH]
0
ОН
PPh₂
у
OH
Transcribed Image Text:Step 1:
Step 2:
(E)-(1-(diphenylphosphoryl)but-2-en-
1-yl) lithium
H
Step 3:
H
H
Step 4:
(S)-4-(2-(5-hydroxypentyl)-1,3-dioxolan-2-yl)-2-methylbutanal
OH
PPh₂
_OH
PPh ₂
THE
HMPA
PPh-
OH
PPh₂
OH
H
H
PPh₂
O_
PPh₂
OH
O™
-PPh₂
OH
Li+
O=PPh₂
H
5-(2-((S,4E,6E)-3-methylocta-4,6-dien-1-yl)-1,3-dioxolan-2-yl)pentan-1-ol
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