Can someone explain the slide please, what does it mean Polyalkylation is often oberved?? only disubstituted product can be major product ? can trisubsituted also exist in this reaction? I am confused .
Can someone explain the slide please, what does it mean Polyalkylation is often oberved?? only disubstituted product can be major product ? can trisubsituted also exist in this reaction? I am confused .
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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Can someone explain the slide please, what does it mean Polyalkylation is often oberved?? only disubstituted product can be major product ? can trisubsituted also exist in this reaction? I am confused .
Transcribed Image Text:12
Chapter 16.
FRIE DEL
3. It is often
substitution.
RA
ALCE
4. Skeletal
a
sometimes
primary
CH₂ CH₂ CH₂ CL
AlCl3
CH3 CH CH₂
GH 3
сна-лесна с
CH 3
Ala 3
EAS
CRAFTS ALKYLATION
4
LIMITS
difficult to stop alkylation after a single
Polyalkylation is often observed.
R
R
L
+
rearrangement of the alkyl carbocation electrophile
occurs during reaction, especially when
(10) alkyl halide
(10) alkyl halide is used.
CH3
CH-CH3
CH₂ CH₂ CH₂
minor
major
11
monosubstituted
product
+
hydride
shift Снзен сна
CH 3
•C-CH₂
+
1
CH₂ CH3
R major
disubstituted
product
minor
CH3
alkyl
+
CH ₂ -C- CH₂ + shift > CH₂-C-CH₂CH₂
CH3
1
CH3
3
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