Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter10: Oxidation And Reduction
Section: Chapter Questions
Problem 4CTQ
Related questions
Question
Does rearrangement undertook in wittig reactions
![H₂
Ph
+
Ph
-Ph
The Mechanism of the Wittig Reaction
new C-C bond
H₂C-PPh3
oxaphosphetane
Step 1. Nucleophilic addtion to
C=O forming two bonds and in a
four-membered ring.
=CH₂ + (Ph)3P=O
Alkene
Step 2. Fragmentation of oxaphosphetane
by elimination of Ph3P=O and the desired
product alkene.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F637a8243-98d2-45ca-8dd1-4e9d7d0f97ca%2Fe17e3031-910f-49be-be0a-9bcfcf4e748f%2Fpbexs3i_processed.png&w=3840&q=75)
Transcribed Image Text:H₂
Ph
+
Ph
-Ph
The Mechanism of the Wittig Reaction
new C-C bond
H₂C-PPh3
oxaphosphetane
Step 1. Nucleophilic addtion to
C=O forming two bonds and in a
four-membered ring.
=CH₂ + (Ph)3P=O
Alkene
Step 2. Fragmentation of oxaphosphetane
by elimination of Ph3P=O and the desired
product alkene.
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