Carbon No.
S
1
S
2
S
3
S
4
S
5
1
37.4
37.3
37.2
37.5
37.0
2
32.0
31.6
31.4
30.2
29.6
3
71.0
71.8
70.1
78.1
77.6
4
42.5
42.3
41.8
39.0
38.3
5
141.5
140.8
140.4
140.8
140.4
6
120.7
121.7
121.1
121.8
121.3
7
32.0
31.9
31.9
32.4
31.8
8
31.5
31.6
31.9
31.7
31.2
9
50.4
50.2
49.6
50.4
49.8
10
36.7
36.5
38.7
37.2
36.6
11
20.9
21.1
21.1
21.2
20.6
12
39.9
39.8
39.8
40.1
39.6
13
40.4
42.3
41.8
40.6
40.1
14
56.5
56.8
56.1
56.7
56.1
15
31.6
24.3
23.8
32.6
32.0
16
78.7
28.3
28.7
78.8
78.5
17
63.2
56.1
55.4
63.6
62.9
18
15.9
11.9
11.8
16.5
16.0
19
18.9
19.4
19.1
19.4
18.9
20
41.4
36.2
40.3
41.6
41.2
21
14.7
18.8
20.9
15.7
15.2
22
97.9
34.0
137.9
98.3
98.0
23
34.2
26.1
128.7
34.7
34.0
24
30.4
45.9
50.5
31.0
30.4
25
31.0
29.2
31.3
31.6
30.8
26
47.5
19.1
20.6
48.1
47.3
27
18.9
19.8
18.9
19.8
19.2
28
-
23.1
25.5
-
-
29
-
12.0
12.1
-
-
1`
-
100.3
100.8
100.3
99.9
2`
-
77.8
73.4
77.8
75.6
3`
-
78.0
76.7
78.0
84.6
4`
-
76.9
73.3
78.7
69.3
5`
-
78.7
76.9
76.9
74.3
6`
-
61.3
61.1
61.3
61.9
1``
-
-
-
102.0
101.5
2``
-
-
-
72.5
71.7
3``
-
-
-
72.7
72.0
4``
-
-
-
73.9
73.4
5``
-
-
-
69.5
68.9
6``
-
-
-
18.6
18.0
1```
-
-
-
102.9
105.1
2```
-
-
-
72.8
74.2
3```
-
-
-
72.5
77.6
4```
-
-
-
74.1
70.9
5```
-
-
-
70.4
77.3
6```
-
-
-
18.5
61.5
Table 2:
13
C NMR chemical shifts (δ in ppm) for compounds S
1
(CDCl
3
, 75 MHz) and S
4
-S
5
(DMSO, 75 MHz)