(a) Base on the information provided, determine the structures of compounds.(b) Assign all peaks in 1 H and 13C NMR spectra of compounds Compound 2:IR Spectrum(liquid fim)341020001600V (cm")400030001200800100Mass Spectrum43806040M**- 86 (* 1%)7120C5H1004080120160200240280m/e% of base peak 13C NMR Spectrum(50.0 MHz, CDCI, solution)DEPTsolventproton decoupled2001601208040O 8 (ppm)H NMR Spectrum(200 MHz, CDCI, solution)expansionexchangeswith D206.05.55.0 ppmTMS108.7 64328 (ppm)-

From the 13C-NMR chemical shift; 4-types of carbon atoms are present. 2 out 4 are related to C=C 1…

Answered: Base on the information provided,…

Base on the information provided, determine the structures of compounds. (b) Assign all peaks in 1 H and 13C NMR spectra of compounds

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Section13.SE: Something Extra

Problem 29AP

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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

(a) Base on the information provided, determine the structures of compounds.

(b) Assign all peaks in 1 H and 13C NMR spectra of compounds

Compound 2:
IR Spectrum
(liquid fim)
3410
2000
1600
V (cm")
4000
3000
1200
800
100
Mass Spectrum
43
80
60
40
M**- 86 (* 1%)
71
20
C5H100
40
80
120
160
200
240
280
m/e
% of base peak

13C NMR Spectrum
(50.0 MHz, CDCI, solution)
DEPT
solvent
proton decoupled
200
160
120
80
40
O 8 (ppm)
H NMR Spectrum
(200 MHz, CDCI, solution)
expansion
exchanges
with D20
6.0
5.5
5.0 ppm
TMS
10
8.
7 6
4
3
2
8 (ppm)
-

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