Taxonomy: Physicochemical and Pharmacological Properties of Sesquiterpene Esters – The Bicyclic Sesquiterpene Esters – Daucanes (Carotanes) – Monoesters
Biological sources: Ferula linkii Webb et Berthel. [1]
C17H28O5: 312.1937
Mp: 106–108°C [1]
IR: 3590, 2990, 2945, 2920, 2860, 2840, 1730, 1450, 1370, 1230, 1120, 1050, 970, 940 [1]
MS: 269 [M − C3H7]+ (1), 251 (19), 209 (15), 191 (57), 173 (10), 163 (38), 149 (23), 139 (28) [1]
1 H NMR (90 MHz): 0.88 and 0.97 (each 3H, d, J = 4, H-12, H-13), 1.21 (3H, s, H-14), 1.40 (3H, s, H-15), 2.10 (3H, s, OAc), 2.90 (1H, d, J = 6, H-9), 4.10 (1H, sextet, J = 11; 3, H-6), 4.92 (1H, d, J = 6.0, H-10) [1]
13 C NMR [1]:
Table 1
C-1 |
46.5 |
C-6 |
67.3 |
C-11 |
38.4 |
2 |
31.6 |
7 |
45.7 |
12 |
17.0 |
3 |
37.1 |
8 |
56.6 |
13 |
18.2 |
4 |
85.8 |
9 |
60.0 |
14 |
17.8 |
5 |
53.4 |
10 |
71.4 |
15 |
24.3 |
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References
B.M. Fraga, A.G. Gonzalez, P. Gonzalez, M.G. Hernandez, J.G. Diaz, Phytochemistry 23(11), 2541 (1984)
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(2013). 10α-Acetoxy-8α,9α-epoxy-5α(H)-dauca-4β,6α-diol (10-Acetate of Lapiferol). In: Azimova, S.S., Saidkhodzhaev, A.I. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0539-9_850
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