Skip to main content
. Author manuscript; available in PMC: 2017 Feb 27.
Published in final edited form as: Phytochem Lett. 2016 Aug 2;17:213–218. doi: 10.1016/j.phytol.2016.07.008

Table 1.

1H NMR and 13C NMR spectral data (400MHz for δH, 125 MHz for δC, δ in ppm, J values in Hz) for compounds (1–3) in Pyridine-d5.

(1) (2) (3)



Position δH δC δH δC δH δC
1 1.02m, 1.53m 39.7 1.36, m 39.4 1.36, m 39.4
2 1.81m 27.1 1.80, m 27.1 1.80, m 27.1
3 4.33 81.7 3.22, m 90.7 3.19, m 90.7
4 44.2 40.3 40.3
5 1.73, m 48.1 0.74, m 56.3 0.74, m 56.3
6 18.8 1.39, m 18.8 1.39, m 18.8
7 1. 27 m, 1.61 m 33.1 2.13, m 35.7 2.13, m 35.7
8 40.5 41. 5 41. 5
9 48.7 47.5 47.5
10 37.5 37.4 37.4
11 1.89, m 23.9 1.74, m 24.4 1.74, m 24.4
12 5.42, bs 123.6 5.44, bs 124 5.44, bs 124
13 144.8 144.3 144.3
14 42.8 44.8 44.8
15 1.17, m 28.9 33.7 33.7
16 1.89, m 24.5 70.4 70.4
17 47.7 42.3 42.3
18 3.17, m 42.3 na na
19 1.18, m 46.7 2.87, m 48.1 2.87, m 48.1
20 30.6 32.6 32.6
21 1.03, m 34.6 2.06,m, 2.85,m 42.2 2.85, m 42.2
22 1.28, m 33.3 6.22, m 72.7 6.22, m 72.7
23 3.94m, 4.33 m 64.7 1.19, s 17. 4 1.19, s 17. 4
24 1.15, s 14.8 1.24, s 28.6 1.24, s 28.6
25 0.99, s 16.9 0.84, s 16.3 0.84, s 16.3
26 1.13, s 18.3 0.91, s 16.4 0.91, s 16.4
27 1.21, s 26.8 1.88, s 28.2 1.88, s 28.2
28 17 7. 3 3.59, 3.74, m 64.3 3.59, 3.74, m 64.3
29 0.89, s 33.8 1.08, s 34.1 1.08, s 34.1
30 0.90, s 24.4 1.32, s 25.9 1.32, s 25.9
Angeloyl
1 168.7 168.7
2 130 130
3 5.95, d 137. 2 5.95, d 137. 2
4 2.13, d, 5.6 17. 5 2.13, d, 5.6 17. 5
5 2.01, s 21.7 2.01, s 21.7
3-O-Sugar
Xylose-1 Glucose-1 Glucose-1
1‵ 5.09, d, 6.5 Hz 105.3 4.79, d, 5.2 105.3 4.79, d, 5.2 105.3
2‵ 4.03, m 75.6 4.15, m 76.4 4.15, m 76.4
3‵ 4.13, m 76.2 4.23, m 76.3 4.23, m 76.3
4‵ 4.12, m 71.3 4.33, m 72.6 4.33, m 78.2
5‵ 3.68, 4.45, m 67.9 4.12,m 77 4.12,m 77
6‵ 4.36, 4.68, m 61.9 4.36, 4.68, m 61.9
Rhamnose-1 Rhamnose Rhamnose
1‵‵ 6.33, s 101. 9 6.14, s 103.6 6.18, s 103.8
2‵‵ 4.88, bs 71.7 4.88, bs 72 4.88, bs 72
3‵‵ 4.81, m 83.3 4.81, m 83.3 4.72, m 73.5
4‵‵ 4.45, m 73.2 4.45, m 72.9 4.45, m 72.9
5‵‵ 4.71, m 70.4 4.71, m 70.2 4.71, m 70.2
6‵‵ 1.58, d, 5.6 19.2 1.58, d, 5.6 19.2 1.58, d, 5.6 19.2
Xylose-2 Glucose-2
1‵‵‵ 5.35, d, 7. 5 Hz 10 7. 9 5.21, d, 5.6 Hz 104.9
2‵‵‵ 4.09, m 73.3 3.95, m 76.4
3‵‵‵ 4.18, m 75.9 4.14, m 78.6
4‵‵‵ 4.22, m 71 4.44, m 70.8
5‵‵‵ 3.71, 4.49, m 66.9 3.66, m 77.9
6‵‵‵ 4.08, 4.22, m 61.9
23-O-sugar
Glucose-1
1‵‵‵‵ 5.01, d, 7. 5 Hz 105.4
2‵‵‵‵ 4.15, m 75.9
3‵‵‵‵ 4.23, m 74.6
4‵‵‵‵ 4.33, m 72.6
5‵‵‵‵ 4.12, m 77.1
6‵‵‵‵ 4.36, 4.68, m 61.9
28-O-sugar
Glucose-2
1‵‵‵‵‵ 6.24, d, 8Hz 96.3
2‵‵‵‵‵ 3.95, m 75.9
3‵‵‵‵‵ 4.14, m 78.9
4‵‵‵‵‵ 4.44, m 70.3
5‵‵‵‵‵ 3.66, m 77.7
6‵‵‵‵‵ 4.08, 4.22, m 69.7
Rhamnose-2
1‵‵‵‵‵‵ 5.84, s 103.4
2‵‵‵‵‵‵ 4.68, m 71.7
3‵‵‵‵‵‵ 4.56, m 73.2
4‵‵‵‵‵‵ 4.35, m 74.5
5‵‵‵‵‵‵ 4.93, m 71
6‵‵‵‵‵‵ 1.7, d, 5.6 19.1