N
X
C
O
N
S
Hal
Solvents
Natural
Products
P Si
C
C
C C
C
C
128
4 13 C NMR
4.9.7 Hydrazines, Hydrazones, and Carbodiimides
13 C Chemical Shifts of Hydrazines, Hydrazones, and Carbodiimides
(δ in ppm)
4.9.8 Nitriles and Isonitriles
13 C Chemical Shifts of Nitriles (δ in ppm)
CN
CH 3
CH 3 CN
CN
CN
CN
CN
CN
CN
NC
NC
CN
CN
CN
CN
1.7
8.6
117.4
110.5
118.0
118.7
122.4
112.5
28.3
132.0
30.1
129.2
24.6
132.8
25.8
120.8
119.9
119.8
125.1
119.2
117.2
131.2
137.5
107.8
118.2
123.7
13.2 21.9
28.5
20.7
16.8
14.6
27.4
28.1
19.0*
19.3*
10.8
10.6
13.3
* assignment uncertain
19.9
19.8
N
HN
N
N
N
N
N
NH 2
112.8
112.8
128.9
128.9
119.0
119.0
140.7
143.2
N
N
N
HN
N C N
N C N
40.9
159.6
140.2
139.9
164.6
167.2
167.2
30.6
25.1
43.5
51.3
37.6
22.6
13.7
16.2
18.0
29.3
47.1
24.8
35.0 24.8
25.5
55.7
49.0
47.0
46.5
37.2
33.1
40.5
19.7
20.1
14.2
H 3 C–NH–NH 2
N NH 2
H 3 C
H 3 C
H 3 C
N N
CH 3
CH 3
H 3 C