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. Author manuscript; available in PMC: 2021 Apr 15.
Published in final edited form as: Chirality. 2020 Mar 3;32(5):515–523. doi: 10.1002/chir.23189

TABLE 4.

1H NMR chemical shifts calculated with DU8+a

graphic file with name nihms-1680656-t0005.jpg
Position Wu et al 1H δ, ppm13 3 δ, ppm Δ(3-reported), ppm 4 δ, ppm Δ(4-reported), ppm 5 δ, ppm Δ(5-reported), ppm 6 δ, ppm Δ(6-reported), ppm
1
2
3 4.48 4.74 0.26 4.73 0.25 4.77 0.29 4.70 0.22
4
5 2.97 2.51 −0.46 3.15 0.18 2.51 −0.46 3.15 0.18
2.58 2.71 0.13 2.56 −0.02 2.72 0.14 2.57 −0.01
2.98 3.03 0.05 2.93 −0.05 3.03 0.05 2.95 −0.03
7
8
9
10
11α 3.10 3.23 0.13 3.23 0.13 3.18 0.08 3.19 0.09
11β 3.20 3.17 −0.03 3.19 −0.01 3.24 0.04 3.24 0.04
12α 1.87 1.83 −0.04 1.84 −0.03 1.82 −0.05 1.80 −0.07
12β 1.75 1.87 0.12 1.86 0.11 1.90 0.15 1.88 0.13
13
14
15 6.57 6.41 −0.16 6.34 −0.23 6.46 −0.11 6.38 −0.19
16
17 5.22 5.31 0.09 5.30 0.08 5.29 0.07 5.29 0.07
18b 1.15 1.37 0.22 1.35 0.20 1.37 0.22 1.37 0.22
19b 1.83 1.78 −0.05 1.92 0.09 1.77 −0.06 1.91 0.08
20
21 7.56 7.62 0.06 7.62 0.06 7.61 0.05 7.61 0.05
22 6.52 6.63 0.11 6.63 0.11 6.64 0.12 6.64 0.12
23 7.48 7.62 0.14 7.63 0.15 7.62 0.14 7.61 0.13
28b 1.16 1.26 0.10 1.36 0.20 1.25 0.09 1.37 0.21
29b 0.83 0.95 0.12 0.98 0.15 0.96 0.13 0.98 0.15
30 8.05 8.62 0.57 8.19 0.14 8.63 0.58 8.20 0.15
MAE 0.16 0.12 0.16 0.12
RMSD 0.21 0.14 0.21 0.14
Max 0.57 0.25 0.58 0.22
a

Chemical shifts with an absolute deviation greater than 0.20 ppm are colored in red.

b

1H shifts of homotopic protons were averaged.