Transcript Lecture_26_(2)_NMR-Aminoacids.PPT

1H and 12C NMR spectra of some amino acids
HO
CH2
NH2
glycine
O
O
H2N
HO
OH
NH2
H
O
phenylalanine
CH3
alanine
HO
NH2
H
O
OH
O
CH3
H
CH3
NH2
valine
CH2
What are the
common groups
of all amino
acids?
tyrosine
OH
HO
NH2
H
O
R
1H NMR
12
10
HO
8
6
PPM
NH2
4
HO
CH2
H
O
2
0
glycine
NH2
O
R
13 C NMR
180
160
140
120
100
PPM
80
60
40
20
0
1H NMR
12
10
8
HO
6
PPM
4
2
HO
NH2
NH2
H
H
O
0
O
R
alanine
CH3
13 C NMR
180
160
140
120
100
PPM
80
60
40
20
0
1H NMR
12
10
HO
8
6
PPM
4
NH2
OH
H
H
O
2
O
R
CH3
H
CH3
0
valine
NH2
13 C NMR
180
160
140
120
100
PPM
80
60
40
20
0
1H NMR
12
10
HO
8
6
PPM
NH2
HO
H
O
4
2
0
NH2
phenylalanine
R
O
H CH2
13 C NMR
180
160
140
120
100
PPM
80
60
40
20
0
1H NMR
12
10
HO
8
6
PPM
NH2
HO
2
H
R
0
NH2
H
O
4
O
CH2
OH
tyrosine
13C NMR
180
160
140
120
100
PPM
80
60
40
20
0