N
X
C
Hal
O
N
S
P Si
Natural
Products
Solvents
C
C
C
C C
C
4.10 Sulfur Compounds
131
13 C Chemical Shifts of Cyclic Sulfides (δ in ppm)
4.10.3 Disulfides and Sulfonium Salts
13 C Chemical Shifts of Disulfides (δ in ppm)
S S
CH 3
H 3 C
S
CH 3
39.1
34.4
S
29.3
28.2
26.9
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
29.1
22.0
32.8
14.5
18.7
38.1
128.8
18.6
26.0
14.2
15.6
110.5
106.9
25.4
72.6 81.4
132.3
141.8
31.7
31.2
28.0
O
S
27.0
68.5
O
S
27.9
26.4
69.7
69.2
31.9
33.9
29.8
26.6
S
S
S S
S
S
S
138.5
135.8
126.6
131.0
124.9
127.0
128.7
129.1
127.2 129.3
127.4
136.0