M is a multpiat 0. The 'H NMR spectra for the following eight-membered ring compounds are summarized below (remember that m means multiplet). Assign structures to the following NMR data and explain your reasoning. A: 8 (ppm) 1.53 (s) B: 8 (ppm) 5.74 (s) C: 8 (ppm) 2.39 (m, 8H), 5.60 (m, 4H) D: 8 (ppm) 1.20-1.70 (m, 4H), 1.85-2.50 (m, 4H), 5.35-5.94 (m, 4H)

EBK A SMALL SCALE APPROACH TO ORGANIC L
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Chapter95: Nuclear Magnetic Resonance Spectroscopy (proton Nmr)
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ameltplate
M IS
0. The 'H NMR spectra for the following eight-membered ring compounds are summarized
below (remember that m means multiplet). Assign structures to the following NMR data
and explain your reasoning.
A: 8 (ppm) 1.53 (s)
B: 8 (ppm) 5.74 (s)
C: 8 (ppm) 2.39 (m, 8H), 5.60 (m, 4H)
D: 8 (ppm) 1.20-1.70 (m, 4H), 1.85-2.50 (m, 4H), 5.35-5.94 (m, 4H)
Transcribed Image Text:ameltplate M IS 0. The 'H NMR spectra for the following eight-membered ring compounds are summarized below (remember that m means multiplet). Assign structures to the following NMR data and explain your reasoning. A: 8 (ppm) 1.53 (s) B: 8 (ppm) 5.74 (s) C: 8 (ppm) 2.39 (m, 8H), 5.60 (m, 4H) D: 8 (ppm) 1.20-1.70 (m, 4H), 1.85-2.50 (m, 4H), 5.35-5.94 (m, 4H)
A methul groups shald be uterchogerble so
1signal
7. Provide an explanation as to why the 1'C NMR spectrum of 3-methyl-2-butanol (seen
below) shows five signals. (HINT-It might be helpful to draw Newman projections of this
molecule)
OH
Transcribed Image Text:A methul groups shald be uterchogerble so 1signal 7. Provide an explanation as to why the 1'C NMR spectrum of 3-methyl-2-butanol (seen below) shows five signals. (HINT-It might be helpful to draw Newman projections of this molecule) OH
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