N
X
C
O
N
S
Hal
Solvents
Natural
Products
P Si
C
C
C C
C
C
150
4 13 C NMR
Boron Compounds (δ in ppm, |J| in Hz)
Arsenic, Antimony, and Bismuth Compounds (δ in ppm)
Mercury Compounds (δ in ppm, |J| in Hz)
H 3 C As
+
CH 3
CH 3
I
–
CH 3
B
–
Na
+
CH 3
H 3 C B
–
CH 3
CH 3
CH 3 Li
+
B
–
Na
+
Bi
Sb
As
As
+
Cl
–
B CH 3
H 3 C
H 3 C
B O
O
O
CH 3
H 3 C
H 3 C
B O
O
O
6.2
14.8
51.3
64.9
24.9
10.3
11.8
15.3
135.5; 2 J 1
132.8
125.2; 3 J 3
131.3
121.4; 4 J 0
134.8
128.4
165.5
3.5
5.9
129.1
128.3
128.0
4 J 20
139.6
139.3
131.1
170.3; 1 J 1275
128.6
129.4
131.0
3 J 104
128.3
133.7
136.8
138.1
2 J 85
137.4
163.3; 1 J 50
120.2
Couplings with 11 B
(80.4%, I = 3/2)
Couplings with 199 Hg (16.8%, I = 1/2)
Hg
Hg Cl
H 3 C
As CH 3
H 3 C
H 3 C
109.9
85.7
8.4
11.2
Hg C N
H 3 C