N
X
C
Hal
O
N
S
P Si
Natural
Products
Solvents
C
C
C
C C
C
209
5.7 Halogen Compounds
209
5.7.3 Bromo Compounds
1 H Chemical Shifts and Coupling Constants (δ in ppm, J in Hz)
Br
Br
Br
a
Br
H
H
H
H
H
d
c
b
e
Br
H
H
H
Br
H
Br
Br
Br
Br
Br
Br
Br
Br
Br
CHBr 3
CH 2 Br 2
CH 3 Br
Br
H
H
H
H
H
H
H
H
Br
H
H
H
H
H
H
7.70
7.68
7.98
7.73
7.78
7.72
8.19
7.71
7.51
7.44
7.46
7.48
7.21
7.53
7.22
7.28
a
b
c
d
e
1.75
1.22
4.09
2.33
1.35
1.80
1.72
1.81
1.24
4.81
2.08
1.79
1.60
1.78
5.84
5.97
6.44
2.68
4.94
6.82
3.36
3.36
1.04
5.86
4.20
2.47
1.73
1.76
3.42
1.46
0.93
2.32
1.84
1.89
1.65
3 J ab 14.9
3 J ac 7.1
2 J bc -1.9
3 J ab 7.1
3 J ac 3.8
2 J bc -6.1
3 J bd 10.2
3 J be 7.0
3 J ce 10.5
3 J 6.4
a
b
c
2.83
0.96
0.81
3.63
7.49
3 J ab 8.0
4 J ac 1.1
5 J ad 0.5
4 J ae 2.2
3 J bc 7.4
4 J bd 1.8