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
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367. 91
1.11.21.31.41.51.61.71.81.92.02.12.22.32.4
1
H
ppm
1.51
4.50
1.00
Inte-
gral
552.80
560.23
567.79
575.50
Hz
271.32
278.95
286.44
Hz
1
H NMR spectrum
recorded at 250.13 MHz
C
7
H
14
O
2
measured in CDCl
3
Deduce the structure!
You should try to get a unique solution using the two
dimensional spectra.
9.17
28.08
28.75
79.85
173.92
170 160 150 140 130 120 110 100 80 70 60 50 40 30 20
ppm
13
C
13
C-{
1
H} NMR spectrum
measured at 62.9 {250.13} MHz
~~
~
20
40
80
100
120
140
160
13
C
2.4 2.2 2.0 1.6 1.4 1.2
ppm
1
H
2.4 2.2 2.0 1.6 1.4 1.2 ppm
1
H
6
8
10
12
14
16
20
22
24
26
28
13
C
H,C-HSQC @ 250.13/62.9 MHz
H,C-HMBC @ 250.13/62.9 MHz
Don‘t worry about the somewhat crowded
red labeled area. There is no closer look
necessary, you don‘t need this area.
1.11.21.31.41.51.61.71.81.92.02.12.22.32.4
1
H
ppm
~
9.17
28.08
28.75
79.85
173.92
170 160 150 140 130 120 110 100 80 70 60 50 40 30 20
ppm
13
C
~
CH
3
CO
H
3
C
CH
3
CH
2
C
O
H
3
C
missing HMBC correlation
Solution at a glance
As soon as you see the green
footprints on the problem icon, the
step-by-step-solution is available
