Exercise plus Solution – Quick overview
It is recommended to use this version only for a quick overview of the NMR challenge. All animations of the PowerPoint
version are missing, under certain circumstances quality deficiencies may also occur.
The higher quality PowerPoint files are freely available for download at any time.
586.96
587.99
588.99
589.96
2.312.322.332.342.352.362.372.382.39
ppm
1
H
C
3
H
3
F
3
O measured in CDCl
3
Deduce the structure!
Measure all coupling constants!
1
H NMR spectrum
recorded at 250.13 MHz
That‘s the only signal within the
1
H NMR spectrum!
There is nothing missing.
30405060708090100110120130140150160170180190
ppm
13
C
6816.14
7106.93
7397.73
7688.52
Hz
11868.29
11904.45
11832.12
11795.95
Hz
1436.90
Hz
13
C{
1
H} NMR spectrum
recorded at 62.9{250.13} MHz
Please pay attention to the unit of
measurement of the peak label.
11785.71
11792.57
11799.42
11806.27
11821.88
11828.74
11835.59
11842.45
11858.04
11864.90
11871.76
11878.62
11894.21
11901.07
11907.93
11914.78
Hz
6813.61
6815.27
6816.94
6818.60
7104.41
7106.07
7107.73
7109.39
7395.20
7396.86
7398.52
7400.18
7685.99
7687.65
7689.31
7690.98
Hz
~
~
~
~
~
~
1241.27
1371.63
1501.99
1632.35
Hz
30405060708090100110120130140150160170180190
ppm
13
C
13
C NMR spectrum
recorded at 62.9 MHz
* About 200 Hz
of baseline (with
noise only)
removed
* * *
F
C
F
F
O
H
C
C
H
H
1.0 Hz
130.4 Hz
36.2 Hz
1.7 Hz
290.8 Hz
6.9 Hz
188.4 ppm
115.3 ppm
22.8 ppm
2.35 ppm
Solution at a glance
As soon as you see the green footprints on the problem
icon, the step-by-step-solution is available
