enzocaine [References] The chemical environment of protons can be deduced from their chemical shifts. What are the relative chemical shifts of the protons at the labeled positions? [Protons that are highly shielded have low delta (chemical shift) values.] 1) The proton with the lowest delta value (the most shielded) is b. The proton with the highest delta value (the most deshielded) is a 2) HO b HOH a H (+)-2-Deoxyuridine The proton with the lowest delta value (the most shielded) is al The proton with the highest delta value (the most deshielded) is c

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL4: Proton (1h) Nmr Spectroscopy
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enzocaine
[References]
The chemical environment of protons can be deduced from their chemical shifts. What are the relative chemical shifts of the protons at the labeled positions? [Protons
that are highly shielded have low delta (chemical shift) values.]
1)
b
X
2)
The proton with the lowest delta value (the most shielded) is b
The proton with the highest delta value (the most deshielded) is a
HO
b
HI
-OH
OH
NH
to
a H
(+)-2-Deoxyuridine
The proton with the lowest delta value (the most shielded) is al
The proton with the highest delta value (the most deshielded) is c
Transcribed Image Text:enzocaine [References] The chemical environment of protons can be deduced from their chemical shifts. What are the relative chemical shifts of the protons at the labeled positions? [Protons that are highly shielded have low delta (chemical shift) values.] 1) b X 2) The proton with the lowest delta value (the most shielded) is b The proton with the highest delta value (the most deshielded) is a HO b HI -OH OH NH to a H (+)-2-Deoxyuridine The proton with the lowest delta value (the most shielded) is al The proton with the highest delta value (the most deshielded) is c
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