The 'H NMR spectrum of 1-nitronaphthalene recorded at 298K in CDC!3 solution is given below. The 2-dimensional 'H NOESY spectrum is given on the facing page. Given that the nitro group at position 1 will always extensively deshield the proton at position 8 such that it will appear as the resonance at lowest field in the spectrum, use the NOESY spectrum to assign all of the other protons in the spectrum. Hg NO2 1-nitronaphthalene H7. H3 H5 H4 'H NMR Spectrum (400 MHz, CDCI, sołution) solvent residual 8.8 8.6 8.4 8.2 8.0 7.8 7.6 7.4 7.2 ppm Proton Chemical Shift (8) in ppm H2 H3 H4 H5 H6 H7 H8 8.56

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'H NOESY spectrum of 1-nitronaphthalene (recorded in CDC13 solution at 298K at
400 MHz).
H3 NO2
H7.
`H3
H5 H4
ppm
'H-'H NOESY Spectrum
(400 MHz; CDCI, solution)
7.4
7.6
7.8
8.0
8.2
8.4
8.6
8.6
8.4
8.2
8.0
7.8
7.6
7.4
ppm
Transcribed Image Text:'H NOESY spectrum of 1-nitronaphthalene (recorded in CDC13 solution at 298K at 400 MHz). H3 NO2 H7. `H3 H5 H4 ppm 'H-'H NOESY Spectrum (400 MHz; CDCI, solution) 7.4 7.6 7.8 8.0 8.2 8.4 8.6 8.6 8.4 8.2 8.0 7.8 7.6 7.4 ppm
The 'H NMR spectrum of 1-nitronaphthalene recorded at 298K in CDCI3 solution is
given below. The 2-dimensional 'H NOESY spectrum is given on the facing page.
Given that the nitro group at position 1 will always extensively deshield the proton at
position 8 such that it will appear as the resonance at lowest field in the spectrum, use
the NOESY spectrum to assign all of the other protons in the spectrum.
Hg NO2
1-nitronaphthalene
H7.
H6
H3
H5 H4
1H NMR Spectrum
(400 MHz, CDCI, solution)
solvent
residual
8.8
8.6
8.4
8.2
8.0
7.8
7.6
7.4
7.2
ppm
Proton
Chemical Shift (8) in ppm
H2
H3
Н4
H5
H6
H7
H8
8.56
Transcribed Image Text:The 'H NMR spectrum of 1-nitronaphthalene recorded at 298K in CDCI3 solution is given below. The 2-dimensional 'H NOESY spectrum is given on the facing page. Given that the nitro group at position 1 will always extensively deshield the proton at position 8 such that it will appear as the resonance at lowest field in the spectrum, use the NOESY spectrum to assign all of the other protons in the spectrum. Hg NO2 1-nitronaphthalene H7. H6 H3 H5 H4 1H NMR Spectrum (400 MHz, CDCI, solution) solvent residual 8.8 8.6 8.4 8.2 8.0 7.8 7.6 7.4 7.2 ppm Proton Chemical Shift (8) in ppm H2 H3 Н4 H5 H6 H7 H8 8.56
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