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. Author manuscript; available in PMC: 2021 Jul 2.
Published in final edited form as: J Org Chem. 2020 Jun 17;85(13):8462–8479. doi: 10.1021/acs.joc.0c00783

Table 2.

13C NMR data (CD3OD, 100 MHz) of dimers 2 and 4–6 acquired at three different temperatures: 255, 278, and 298 K

Unit Ring No 2 4 5 6
δC δC δC δC
298 K 278 K 255 K 298 K 278 K 255 K 298 K 278 K 255 K 298 K 278 K 255 K
I C 2 100.28 100.22 100.13 100.16 100.05 99.94 100.40 100.32 100.24 100.42 100.37 100.30
3 67.74 67.75 67.71 68.06 67.99 67.98 67.64 67.56 67.50 67.73 67.70 67.65
4 29.16 29.13 29.12 29.23 29.13 29.05 29.22 29.12 29.03 29.23 29.17 29.07
A 5 156.71 156.78 156.84 156.99 156.98 157.00 156.66 156.63 156.64 156.70 156.73 156.72
6 98.14 98.01 97.83 98.29 98.11 97.92 98.14 98.02 97.89 97.95 97.84 97.71
7 158.08 158.11 158.06 158.11 158.03 158.00 158.12 158.10 158.05 158.10 158.10 158.05
8 96.52 96.39 96.26 96.61 96.49 96.36 96.58 96.47 96.35 96.54 96.43 96.31
9 154.19 154.19 154.16 154.24 154.18 154.14 154.08 154.02 153.98 154.14 154.12 154.06
10 104.00 103.89 103.76 104.25 104.12 103.98 104.03 103.91 103.80 104.06 103.97 103.86
B 1’ 132.24 132.22 132.15 132.43 132.34 132.28 132.21 132.10 132.01 132.30 132.24 132.16
2’ 115.66 115.59 115.48 115.65 115.54 115.43 115.71 115.60 115.50 115.63 115.53 115.43
3’ 145.59 145.61 146.70 145.64 145.57 145.52 145.65 145.59 145.55 145.65 145.64 145.60
4’ 146.73 146.74 145.56 146.75 146.67 146.62 146.80 146.74 146.69 146.78 146.76 146.72
5’ 115.62 115.51 115.41 115.54 115.53 115.43 115.63 115.54 115.43 115.70 115.67 115.52
6’ 119.81 119.77 119.71 119.78 119.72 119.67 119.85 119.79 119.74 119.85 119.8 119.75
II F 2 84.41 84.43 84.36 81.73 81.60 81.48 83.87 83.80 83.75 80.82 80.74 80.61
3 68.06 68.09 68.10 66.96 66.93 66.97 68.38 68.32 68.29 67.13 67.10 67.05
4 28.90 29.04 29.04 29.88 29.87 29.90 28.83 28.84 28.90 29.46 29.51 29.55
D 5 156.09 156.15 156.14 156.59 156.55 156.56 156.15 156.14 156.16 156.62 156.65 156.66
6 96.52 96.39 96.20 96.48 96.31 96.12 96.52 96.37 96.22 96.46 96.30 96.14
7 152.14 152.19 152.20 152.28 152.24 152.24 152.21 152.17 152.16 152.06 152.05 152.02
8 106.75 106.69 106.60 107.20 107.10 107.03 106.54 106.40 106.29 106.92 106.84 106.75
9 151.36 151.41 151.42 152.13 152.13 152.18 150.83 150.80 150.79 151.28 151.28 151.27
10 103.09 103.01 102.89 102.41 102.28 102.21 102.81 102.69 102.58 101.89 101.78 101.66
E 1’ 130.51 130.47 130.39 131.19 131.18 131.22 130.92 130.77 130.63 131.40 131.37 131.33
2’ 115.71 115.65 115.56 115.92 115.79 115.64 115.42 115.30 115.18 115.20 115.07 114.91
3’ 146.29 146.30 146.25 145.97 145.88 145.81 146.41 146.35 146.33 146.20 146.2 146.16
4’ 146.73 146.74 146.70 146.28 146.17 146.08 146.75 146.70 146.69 146.20 146.17 146.11
5’ 116.31 116.22 116.10 116.03 115.92 115.81 116.34 116.24 116.14 116.19 116.09 115.98
6’ 120.68 120.66 120.64 120.37 120.29 120.18 120.33 120.30 120.31 119.42 119.30 119.15