What is the fragmentation mechanism of the mass spectrum of the compound 3,3-Dimethylglutaric acid CH3 Ho-b-che-clp- 0 || -CH₂-C-OH CH3

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter14: Mass Spectrometry
Section: Chapter Questions
Problem 14.27P: Following is the mass spectrum of an unknown compound. The two highest peaks are at m/z 120 and 122....
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What is the fragmentation mechanism of the mass spectrum of the
compound 3,3-Dimethylglutaric acid
CH3
HO-C-CH₂-CH₂-C-OH
CH3
100
59
Mass Spectrum
80
60
40
20
ليا
www
% of base peak
40
83
80
101
142
120 160
m/e
M+ = 160 (<1%)
C7H1204
200 240 280
Transcribed Image Text:What is the fragmentation mechanism of the mass spectrum of the compound 3,3-Dimethylglutaric acid CH3 HO-C-CH₂-CH₂-C-OH CH3 100 59 Mass Spectrum 80 60 40 20 ليا www % of base peak 40 83 80 101 142 120 160 m/e M+ = 160 (<1%) C7H1204 200 240 280
An example of the fragmentation mechanism of a mass spectrum is as follows:
:0
H3C
H₂C
+ CH3
H₂C CH3
H₂C
M*72
m/z 57
to:
H₂C.
H₂C CH3
M*72
H₂C
m/z 15
=0+ *CH₂CH3
m/z29
m/z 43
Transcribed Image Text:An example of the fragmentation mechanism of a mass spectrum is as follows: :0 H3C H₂C + CH3 H₂C CH3 H₂C M*72 m/z 57 to: H₂C. H₂C CH3 M*72 H₂C m/z 15 =0+ *CH₂CH3 m/z29 m/z 43
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