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.
Deduce the structure. Analyze the multiplets between 5.5 and 6.5
ppm and extract all coupling constants.
Make a stereochemically correct assignments of the protons
belonging to these signals.
C
5
H
8
O
2
measured in CDCl
3
1
H NMR spectrum
recorded at 250.13 MHz
C C
H
H H
C
O
O
H
2
C CH
3
7.14 Hz
10.35 Hz
17.31 Hz
|1.66 Hz|
(most likely
negative)
Solution at a glance
As soon as you see the green footprints on the problem
icon, the step-by-step-solution is available
Contributions
Measurements
Rainer Haeßner
Spectrometer time
TU Munich
Discussions and
native English
language support
n.n. yet
Compilation
Rainer Haeßner
More exercises