Natural Compounds pp 142-142 | Cite as
No Name (9,19-Cyclolanostan-3β-methoxy-23-ene-25,26-diol)
Reference work entry
C31H52O3, M 472 Open image in new window
Taxonomy: Cycloartane Triterpenoids
Artemisia argyi Levl. et Vant. (Compositae) [1].
Mp 146–147°C, [α]D20 +87° (c 0.84, CHCl3).
CAS Registry Number: 142950-85-4.
1HNMR (400 MHz, CDCl
3, δ): 0.33 and 0.55 (2H-19, d, J = 4.1 Hz), 0.80, 0.87, 0.96, 0.97, 1.61 (5 × CH
3, s), 0.87 (CH
3-21, d, J = 6 Hz), 3.15 (CH
3O, s), 3.29 (H-3, dd, J = 11.2, 4.2 Hz), 3.31 (2H-26, s), 5.39 (H-24, d, J = 15.8 Hz), 5.53 (H-23, ddd, J = 15.8, 8.5, 5.6 Hz).
Table 1
δC (CDCl3) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
C-1 |
32.0 |
C-7 |
26.0 |
C-13 |
45.3 |
C-19 |
29.9 |
C-25 |
74.9 |
2 |
30.4 |
8 |
47.9 |
14 |
48.8 |
20 |
36.3 |
26 |
76.3 |
3 |
78.8 |
9 |
20.0 |
15 |
36.6 |
21 |
18.4 |
27 |
25.8 |
4 |
40.4 |
10 |
26.2 |
16 |
28.1 |
22 |
39.3 |
28 |
19.3 |
5 |
47.1 |
11 |
26.5 |
17 |
52.0 |
23 |
128.7 |
29 |
25.4 |
6 |
21.1 |
12 |
32.8 |
18 |
18.1 |
24 |
136.6 |
30 |
14.0 |
OMe |
50.2 |
||||||||
References
- 1.T.R. Xiang, J.Z. Jian, Chin. Chem. Lett. 3(2), 117–118 (1992)Google Scholar
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