how to distinguish this two HNMR , first one is belonge to DIELS Aldere adduct and second NMR is for dicarboxylic acid which is the final product.
how to distinguish this two HNMR , first one is belonge to DIELS Aldere adduct and second NMR is for dicarboxylic acid which is the final product.
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter19: Nuclear Magnetic Resonance Spectroscopy
Section: Chapter Questions
Problem 19.13QAP
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Question
how to distinguish this two HNMR , first one is belonge to DIELS Aldere adduct and second NMR is for dicarboxylic acid which is the final product.
![12
10
-∞
PPM
6
2
о
ОН
ОН](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F805775a5-e880-4d3d-ba04-2a4244a2fa09%2F42d16d87-562b-447a-9010-7b67406531ee%2Fk0xgffb_processed.png&w=3840&q=75)
Transcribed Image Text:12
10
-∞
PPM
6
2
о
ОН
ОН
![Chemical shift / ppm
6.25
3.70
2.80
1.75-1.50
7
Number of H
2
2
2
2
-LO
PPM
3
Assignment
d,e
2
d,e
d,e
с
a](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F805775a5-e880-4d3d-ba04-2a4244a2fa09%2F42d16d87-562b-447a-9010-7b67406531ee%2Fmjfm8i_processed.png&w=3840&q=75)
Transcribed Image Text:Chemical shift / ppm
6.25
3.70
2.80
1.75-1.50
7
Number of H
2
2
2
2
-LO
PPM
3
Assignment
d,e
2
d,e
d,e
с
a
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And how we know the structure of dicarboxylic acid is cis ?
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