C:/Users/rvanhoveln/Documents/CHEM 352L/2019/Ibuprofen part 2/RVH Ibuprofen_10.dx 0 11 OH 3 5 6 4 1 2 7 9 10 8 -0.5 -1.0 1.5 -2.0 0 -2.5 COSY spectrum. The off-diagonal cross peaks indicate that the proton on the x-axis is coupled to the proton on the y-axis. This means they are either on the same carbon or on adjacent carbons. 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 f2 (ppm) -3.0 -3.5 -4.0 -4.5 f1 (ppm)

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL3: Carbon (13c) Nmr Spectroscopy
Section: Chapter Questions
Problem 8E
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Assign this COSY spectrum 

C:/Users/rvanhoveln/Documents/CHEM 352L/2019/Ibuprofen part 2/RVH Ibuprofen_10.dx
0
11
OH
3
5
6
4
1
2
7
9
10
8
-0.5
-1.0
1.5
-2.0
0
-2.5
COSY spectrum. The off-diagonal cross peaks indicate that the proton on the x-axis is coupled to the proton on the y-axis.
This means they are either on the same carbon or on adjacent carbons.
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
f2 (ppm)
-3.0
-3.5
-4.0
-4.5
f1 (ppm)
Transcribed Image Text:C:/Users/rvanhoveln/Documents/CHEM 352L/2019/Ibuprofen part 2/RVH Ibuprofen_10.dx 0 11 OH 3 5 6 4 1 2 7 9 10 8 -0.5 -1.0 1.5 -2.0 0 -2.5 COSY spectrum. The off-diagonal cross peaks indicate that the proton on the x-axis is coupled to the proton on the y-axis. This means they are either on the same carbon or on adjacent carbons. 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 f2 (ppm) -3.0 -3.5 -4.0 -4.5 f1 (ppm)
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