Propose the structures for the following 1H and 13C NMR spectrum. b) Molecular Formula: C8H8O3 1H-NMR, CDCl3 Solvent, Molecular Formula: C8H8O3 13C-NMR, CDCl3 Solvent, Molecular Formula: C8H8O3 in the pictures

Propose the structures for the following 1H and 13C NMR spectrum. b) Molecular Formula: C8H8O3 1H-NMR, CDCl3 Solvent, Molecular Formula: C8H8O3 13C-NMR, CDCl3 Solvent, Molecular Formula: C8H8O3 in the pictures

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter2: Chemical Compounds

Section2.11: Molar Mass

Problem 2.15CE

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Concept explainers

NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.

Question

1) Propose the structures for the following ¹H and ¹³C NMR spectrum.

b) Molecular Formula: C₈H₈O₃

¹H-NMR, CDCl3 Solvent, Molecular Formula: C₈H₈O₃

¹³C-NMR, CDCl3 Solvent, Molecular Formula: C₈H₈O₃

in the pictures

Problem 3.4 O
1 proton (x32)
13
12
ppm
2300
2250
2200
2150
Hz
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
ppm

Problem 4.4
170
160
150
140
130
120
110
100
90
80
70
60 ppm

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