2. In Experiment 4B, it was shown from the NMR spectrum that the meta-di-substituted Nitration product hadbeen recorded as a major product:COOMECOOMEHNO3H,SO,NO2Major productHowever, there were two other possible but less favorable routes, i.e. ortho- or para- positions for the nitroniumto attack the aromatic ring with. Draw the H-NMR spectrum for Methyl p-Nitrobenzoate in case thesubstitution takes place at the para-position. Pay attention to the chemical shift, the splitting pattern, andapproximate the integration in your spectra.Methyl p-Nitrobenzoate3.02.52.01.5 -1.0-0.543.21.106.8.

Methyl p-nitrobenzoate H1-nmr spectrum: Number of non-equivalent protons = 3 Number of signals…

Answered: Methyl p-Nitrobenzoate

Science

Chemistry

Methyl p-Nitrobenzoate

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter24: Carboxylic Acids & Derivatives

Section: Chapter Questions

Problem 3E

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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

2. In Experiment 4B, it was shown from the NMR spectrum that the meta-di-substituted Nitration product had
been recorded as a major product:
COOME
COOME
HNO3
H,SO,
NO2
Major product
However, there were two other possible but less favorable routes, i.e. ortho- or para- positions for the nitronium
to attack the aromatic ring with. Draw the H-NMR spectrum for Methyl p-Nitrobenzoate in case the
substitution takes place at the para-position. Pay attention to the chemical shift, the splitting pattern, and
approximate the integration in your spectra.
Methyl p-Nitrobenzoate
3.0
2.5
2.0
1.5 -
1.0-
0.5
4
3.
2
1.
10
6.
8.

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