13C NMR Spectrum (100.0 MHz, D20 solution) Y X proton decoupled 200 160 120 80 40 0 (ppm) 3 1H NMR Spectrum (400 MHz, D20 solution) Note: there are 3 protons which exchange with the D20 solvent expansions HаО and HOD in solvent 3.9 3.7 ppm 1.6 1.4 ppm A 10 9. 7 4 2 1 8 (ppm) LO 8.

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter30: Orbitals And Organic Chemistry: Pericyclic Reactions
Section30.SE: Something Extra
Problem 37AP: The 1H NMR spectrum of bullvalene at 100 C consists only of a single peak at 4.22 . Explain.
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13C NMR Spectrum
(100.0 MHz, D20 solution)
Y
proton decoupled
200
160
120
80
40
O 8 (ppm)
3
'H NMR Spectrum
(400 MHz, D20 solution)
Note: there are 3 protons
which exchange with
the D20 solvent
expansions
H20 and HOD
in solvent
3.9
3.7 ppm
1.6
1.4 ppm
A
1
8 (ppm)
10
9.
8
7
4
N
2.
LO
Transcribed Image Text:13C NMR Spectrum (100.0 MHz, D20 solution) Y proton decoupled 200 160 120 80 40 O 8 (ppm) 3 'H NMR Spectrum (400 MHz, D20 solution) Note: there are 3 protons which exchange with the D20 solvent expansions H20 and HOD in solvent 3.9 3.7 ppm 1.6 1.4 ppm A 1 8 (ppm) 10 9. 8 7 4 N 2. LO
Structure with 'H and 13C NMR assignments:
Transcribed Image Text:Structure with 'H and 13C NMR assignments:
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