Carbon No. S1 S2 S3 S4 S5
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: 13C NMR chemical shifts (δ in ppm) for compounds S1 (CDCl3, 75 MHz) and S4-S5 (DMSO, 75 MHz)