4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm
1
H
1139.03
1133.69
1128.36
1123.03
Hz
4.55 4.50
311.25
305.91
Hz
1.29 1.25 1.21
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.
4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm
1
H
1139.03
1133.69
1128.36
1123.03
Hz
4.55 4.50
311.25
305.91
Hz
1.29 1.25 1.21
1.00
6.16
3.04
Inte
-
gral
1
H NMR spectrum
recorded at 250.13 MHz
C
4
H
10
O
2
measured in CDCl
3
Deduce the structure!
4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm
1
H
1139.03
1133.69
1128.36
1123.03
Hz
4.55 4.50
311.25
305.91
Hz
1.29 1.25 1.21
H
3
C CH
O
O
H
3
C
H
3
C
5.33 Hz
Solution at a glance
As soon as you see the green footprints on the problem
icon, the step-by-step-solution is available
