Table 2 13C NMR Spectroscopic Data (150 MHz, in Pyridine-d5) for Compounds 1–10.
From: Polyhydroxy cucurbitane triterpenes from Hemsleya penxianensis tubers
No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
1 | 35.2 | 35.1 | 35.1 | 32.0 | 34.2 | 35.8 | 34.2 | 30.5 | 30.5 | 30.6 |
2 | 71.2 | 71.4 | 71.4 | 71.7 | 70.6 | 70.5 | 70.5 | 73.3 | 73.3 | 73.3 |
3 | 81.9 | 80.8 | 81.8 | 82.1 | 80.8 | 80.8 | 80.8 | 78.9 | 79.0 | 79.0 |
4 | 43.2 | 43.3 | 43.1 | 42.8 | 44.8 | 44.8 | 44.8 | 46.2 | 46.2 | 46.2 |
5 | 142.3 | 142.9 | 142.9 | 145.7 | 168.3 | 168.5 | 168.5 | 73.9 | 74.0 | 74.0 |
6 | 119.0 | 119.0 | 119.0 | 118.1 | 124.9 | 124.8 | 124.8 | 131.7 | 131.4 | 131.4 |
7 | 24.8 | 24.4 | 24.4 | 24.4 | 200.2 | 199.7 | 199.7 | 130.4 | 131.0 | 131.0 |
8 | 44.4 | 43.0 | 43.0 | 42.5 | 59.3 | 58.6 | 58.6 | 50.0 | 50.6 | 50.6 |
9 | 48.5 | 48.6 | 48.4 | 39.9 | 51.1 | 48.2 | 48.2 | 49.4 | 50.2 | 50.2 |
10 | 34.7 | 34.8 | 34.8 | 35.0 | 36.8 | 36.8 | 36.8 | 35.6 | 35.7 | 35.7 |
11 | 213.7 | 213.0 | 213.2 | 77.0 | 211.5 | 211.0 | 211.0 | 214.7 | 215.4 | 215.5 |
12 | 49.8 | 49.1 | 49.1 | 41.2 | 49.7 | 49.4 | 49.4 | 51.2 | 51.4 | 51.4 |
13 | 48.7 | 49.3 | 49.5 | 49.2 | 49.6 | 49.4 | 49.4 | 48.2 | 48.6 | 48.6 |
14 | 54.3 | 50.9 | 51.0 | 49.6 | 48.9 | 50.6 | 50.7 | 49.8 | 50.3 | 50.3 |
15 | 47.2 | 44.2 | 44.4 | 46.2 | 47.1 | 44.5 | 44.5 | 44.0 | 46.8 | 46.8 |
16 | 56.8 | 75.1 | 75.2 | 70.6 | 70.7 | 74.9 | 74.6 | 75.1 | 71.1 | 71.1 |
17 | 121.8 | 55.2 | 56.0 | 59.4 | 59.4 | 56.0 | 56.2 | 58.6 | 59.3 | 59.6 |
18 | 21.4 | 20.6 | 20.5 | 19.7 | 20.1 | 20.5 | 20.6 | 20.5 | 20.6 | 19.2 |
19 | 21.0 | 20.7 | 20.8 | 26.2 | 21.5 | 21.5 | 21.5 | 26.7 | 23.0 | 23.1 |
20 | 146.6 | 80.3 | 80.6 | 80.4 | 80.5 | 80.3 | 80.0 | 79.2 | 80.5 | 80.5 |
21 | 15.0 | 25.2 | 25.9 | 25.5 | 26.0 | 25.7 | 25.3 | 23.0 | 22.0 | 25.9 |
22 | 200.4 | 215.4 | 216.2 | 215.3 | 215.4 | 216.4 | 204.5 | 204.5 | 216.4 | 215.4 |
23 | 71.7 | 40.8 | 40.0 | 39.3 | 32.7 | 33.2 | 121.6 | 120.3 | 33.1 | 32.6 |
24 | 51.0 | 75.0 | 85.0 | 35.3 | 35.8 | 35.8 | 151.9 | 157.2 | 38.9 | 35.8 |
25 | 79.0 | 72.5 | 72.5 | 81.4 | 82.0 | 81.7 | 80.2 | 70.7 | 69.5 | 82.0 |
26 | 28.4 | 28.2 | 28.3 | 25.7 | 26.0 | 26.2 | 27.0 | 30.4 | 30.3 | 26.5 |
27 | 28.5 | 26.0 | 25.3 | 25.8 | 26.4 | 26.5 | 26.7 | 30.3 | 30.3 | 26.4 |
28 | 20.2 | 19.4 | 19.3 | 20.0 | 20.1 | 19.7 | 19.7 | 24.8 | 21.3 | 22.0 |
29 | 22.6 | 23.0 | 22.9 | 21.4 | 23.5 | 23.5 | 22.1 | 19.3 | 19.3 | 20.7 |
30 | 25.9 | 24.4 | 26.0 | 25.8 | 25.1 | 25.2 | 25.2 | 21.5 | 25.8 | 21.3 |
OAc-16 | 171.0/21.6 | 170.9/21.6 | 170.8/21.7 | 170.7/21.4 | ||||||
OAc-25 | 169.9/22.0 | 170.6/22.6 | 170.6/22.6 | 170.2/22.1 | 170.6/22.7 | |||||
OCH3-24 | 60.5 |