N
X
C
O
N
S
Hal
Solvents
Natural
Products
P Si
C
C
C C
C
C
242
5 1 H NMR
Boron Compounds (δ in ppm, J in Hz)
5.12.4 References
[1] M.D. Reily, L.C. Robosky, M.L. Manning, A. Butler, J.D. Baker, R.T. Winters, DFTMP, an NMR reagent for assessing the near-neutral pH of biological
samples, J. Am. Chem. Soc. 2006, 128, 12360.
BH 3 CH 3 SCH 3
.
O B
O
O
Hg
B OH
OH
m
t
1.50
1.06
7.40 7.44
7.24
1.35
1.82 0.91
2.26
0.34
-0.49 4.01
1.10
3 J HH 3.0
2 J mt
7.5
1 J m 11 B 46.2
1 J t 11 B 133.0
1 J H 11 B 104
( 11 B: 80.4%, I = 3/2)
7.75 7.55
7.33
0.57
1.55 0.91
3.73
1.23
1.23
8.2
Br
B
OH
OH
(in DMSO)
(in THF)
(in DMSO)
(in DMSO)
B
H 3 C
H
H
H 3 C
B
CH 3
CH 3
B
H
H
H
H
B
H
H
1.30
1.23
0.86
H
H
H
HgBr
a
b
c
6.45
5.92
5.52
3 J ab 11.9
3 J ac 18.7
2 J bc 3.1
B
Na
+
–
7.20
6.94
6.80
3 J ab 17.7
3 J ac 23.3
2 J bc 7.6
a
b
c
H
H
H
MgBr
6.66
7.74
7.15
7.08
6.15
5.51
MgBr
Hg