Natural Compounds

2013 Edition
| Editors: Shakhnoza S. Azimova, Ashraf I. Saidkhodzhaev

9α-(3′,4′,5′-Trimethoxy-benzoyloxy)-4α(H)-dauca-5β,8β-diol (Pallidin)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_922

CAS Registry Number: 128232-97-3 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Sesquiterpene Esters – The Bicyclic Sesquiterpene Esters – Daucanes (Carotanes) – Monoesters

Biological sources: Ferula pallida Korov. [1]

C25H38O7: 450.2618

MP: 109.5–110°C [1]

[α]D −27.9° (c 0.1, CHCl3) [1]

UV: 215, 205 (4.14) [1]

IR: 3508, 3515, 2948, 1694, 1595, 1515 [1]

MS: 450 [M]+, 238 [M − C10H12O5]+, 195 [M − C10H12O53H7]+ [1]

1HNMR: 0.96 and 0.99 (each 3H, d, J = 7.5, H-12, H-13), 1.46 (3H, s, H-15), 1.65 (3H, s, H-14), 4.64 (1H, s), 4.66 (1H, br s), 5.74 (1H, q, J = 12; 2); acyl group: 3.60 (6H, s, 2 × OCH3), 3.76 (3H, s, OCH3), 7.37 (2H, s, H-2′, H-6′) [1]

X-ray [1]

References

  1. 1.
    A.Y. Kushmuradov, M.K. Makhmudov, A.I. Saidkhodzhaev, B. Tashkhodzhaev, V.M. Malikov, Chem. Nat. Comp. 26, 33 (1990)CrossRefGoogle Scholar

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