Alcohols and Phenols - PAWS - Western Carolina University
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Transcript Alcohols and Phenols - PAWS - Western Carolina University
NMR Practice
Common Patters
1. triplet (3H) + quartet (2H)
2. double (1H) + doublet (1H)
3. large singlet (9H)
4. multiplet 7.2 ppm (4-5H)
5. singlet 3.5 ppm (3H)
6. large double (6H) + muliplet
7. singlet 2.1 ppm (3H)
ethyl group
-CH-CHt-butyl group
aromatic ring
-OCH3 group
isopropyl
H3C-C=O
(methyl ketone)
2
NMR : C4H10O
CH3-CH2-O-CH2-CH3
CH3-CH2-O-CH2-CH3
7.00
6.13
5.25
4.38
3.50
2.63
1.75
0.88
0.00
3
8.00
NMR : C4H8O2
O
H3C
O
CH3
H H
q
7.00
6.00
5.00
4.00
3.00
2.00
t
1.00
0.00
4
H
H
H
H
H
C
H
CH3
C
CH3
H
O
OH
5
NMR : C10H14
6H
d
4H
m
3H
s
1H
m
6