N
X
C
Hal
O
N
S
P Si
Natural
Products
Solvents
C
C
C
C C
C
4.13 Natural Products
157
4.13.3 Nucleotides and Nucleosides
13 C Chemical Shifts of Nucleotides (δ in ppm)
Nucleosides (δ in ppm)
N
N
N
H
N
NH 2 HCl
.
NH
N
N
H
N
O
NH 2
NH
N
N
H
N
O
NH 2 HCl
.
N
H
NH
O
O
H 3 C
HCl
N
H
N
NH 2
O
.
N
NH
O
O
O
HO
OH OH
N
N
NH 2
O
O
HO
OH OH
N
H
NH
O
O
101.0
N
H
N
NH 2
O
N
N
N
H
N
NH 2
168.1 a , 167.5 b
166.9 a , 165.5 b
166.9 a , 163.0 b
168.3 a , 164.9 b
160.8
165.1
156.4
151.4
155.7
168.8
153.4
145.8
160.0
153.8
151.7
149.8
150.5
162.2
119.1
115.9
108.4
119.6
140.3
144.5
137.9
150.1
159.9 a , 157.8 b
158.2 a , 155.4 b
152.4 a , 150.7 b
153.9 a , 151.5 b
149.7
152.3
143.5 b , 144.0 a
141.5 b , 142.4 a
140.6 b , 142.6 a
101.7 b , 103.1 a
137.6 b , 139.8 a
146.9
142.9
93.4 b , 95.8 a
93.9 b , 96.9 a
91.2 a , 89.2 b
90.2 a , 87.7 b
84.1 b , 84.6 a
84.8 b , 85.0 a
60.6 b , 61.7 a
60.8 b , 61.6 a
74.8 a , 69.4 b
74.5 a , 73.5 b
73.9 b , 70.2 a
69.8 b , 70.3 a
107.7 b , 110.9 a
11.7 b , 12.1 a
( a in D 2 O, b in DMSO)
( a in D 2 O, b in DMSO)
( a in D 2 O, b in DMSO)
( a in D 2 O, b in DMSO)
(in D 2 O)
(in DMSO)
(in D 2 O)
(in DMSO)
(in DMSO)
(in D 2 O)