50. The 'H NMR spectrum of a compound shows the following signals: 8.0 ppm (doublet, 2H), 7.8 ppm (doublet, 2H), 5.5 ppm (singlet, 1H), 3.9 ppm (multiplet, 2H), 3.1 ppm (multiplet, 1H), 3.0 ppm (multiplet, 2H), 1.2 ppm (doublet, 3H), 1.9 ppm (doublet, 3H). Which structure is consistent with this NMR data? Hint: pay special attention to the NMR signals for the benzene ring hydrogens. M NO₂ O N NO₂ (B) (C) NO₂ 0 NO₂

Organic Chemistry
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ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter26: Biomolecules: Amino Acids, Peptides, And Proteins
Section26.SE: Something Extra
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50. The 'H NMR spectrum of a compound shows the following signals:
8.0 ppm (doublet, 2H), 7.8 ppm (doublet, 2H), 5.5 ppm (singlet, 1H), 3.9 ppm (multiplet, 2H), 3.1 ppm (multiplet, IH), 3.0 ppm
(multiplet, 2H), 1.2 ppm (doublet, 3H), 1.9 ppm (doublet, 3H). Which structure is consistent with this NMR data? Hint: pay special
attention to the NMR signals for the benzene ring hydrogens.
(A)
N
NO₂
O N.
NO₂
(B)
(C)
N.
NO₂
N
NO₂
(D)
Transcribed Image Text:50. The 'H NMR spectrum of a compound shows the following signals: 8.0 ppm (doublet, 2H), 7.8 ppm (doublet, 2H), 5.5 ppm (singlet, 1H), 3.9 ppm (multiplet, 2H), 3.1 ppm (multiplet, IH), 3.0 ppm (multiplet, 2H), 1.2 ppm (doublet, 3H), 1.9 ppm (doublet, 3H). Which structure is consistent with this NMR data? Hint: pay special attention to the NMR signals for the benzene ring hydrogens. (A) N NO₂ O N. NO₂ (B) (C) N. NO₂ N NO₂ (D)
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