Taxonomy: Physicochemical and Pharmacological Properties of Sesquiterpene Esters – The Bicyclic Sesquiterpene Esters – Eudesmanes (Selinanes) Eudesmanes – Monoesters
Biological sources: Sideritis varoi subsp. oriensis [1]
C17H30O4: 298.2144
Mp: colorless gum [1]
[α] 20D +21.4° (c 1, CHCl3) [1]
IR (neat): 3500, 1740, 1260 [1]
Found: C, 68.51; H, 10.20; calc. for C17H30O4: C, 68.43; H, 10.12% [1]
1 H NMR (80 MHz, CDCl3, TMS): 0.90 (6H, d, J = 6, H-12, H-13), 1.12 (3H, s, H-15), 1.21 (3H, s, H-14), 2.10 (3H, s, OAc), 3.26 (1H, m, W1/2 = 16, H-1), 5.75 (1H, m, W1/2 = 4, H-6) [1]
13 C NMR (20.13 MHz, CDCl3): [1]
Table 1
C-1 |
80.25 |
C-7 |
49.55 |
C-13 |
20.59 |
2 |
28.52 |
8 |
20.59 |
14 |
14.67 |
3 |
41.34 |
9 |
41.45 |
15 |
24.56 |
4 |
71.10 |
10 |
39.08 |
OAc |
|
5 |
55.08 |
11 |
28.75 |
1′ |
172.28 |
6 |
69.70 |
12 |
21.24 |
2′ |
21.76 |
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References
A. Garcia-Granados, A. Martinez, A. Molina, M.E. Onorato, Phytochemistry 25(9), 2171 (1986)
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(2013). 6β-Acetoxy-7α(H)-eudesmane-1β,4α-diol (1β,4α-Dihydroxy-6β-acetoxyeudesmane). In: Azimova, S.S., Saidkhodzhaev, A.I. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0539-9_1656
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