Explain the order of chemical shifts of the carbon atoms in the 13C spectra of cyclohexanone (fig 22.6 ) and adipic acid (fig .22.9) attached below . FIG. 22.6The 13C NMR spectrum ofcyclohexanone (100 MHz).3.3CDCI,1TMS200180160140120100806040PPM (8) FIG. 22.9The 1C NMR spectrum ofadlplc acld (22.6 MHz).CH,CH,CH,CH,HO200180160140120100806040PPM (8)

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Answered: Explain the order of chemical shifts of…

Explain the order of chemical shifts of the carbon atoms in the 13C spectra of cyclohexanone (fig 22.6 ) and adipic acid (fig .22.9) attached below .

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 5E

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Concept explainers

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.

Question

Explain the order of chemical shifts of the carbon atoms in the 13C spectra of cyclohexanone (fig 22.6 ) and adipic acid (fig .22.9) attached below .

FIG. 22.6
The 13C NMR spectrum of
cyclohexanone (100 MHz).
3.
3
CDCI,
1
TMS
200
180
160
140
120
100
80
60
40
PPM (8)

FIG. 22.9
The 1C NMR spectrum of
adlplc acld (22.6 MHz).
CH,CH,CH,CH,
HO
200
180
160
140
120
100
80
60
40
PPM (8)

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