Deguelin

Last updated
Deguelin
Deguelin.png
Names
IUPAC name
4′,5′-Dimethoxy-6′′,6′′-dimethyl-6′′H-pyrano[2′′,3′′:7,8]rotenan-4-one
Systematic IUPAC name
(7aS,13aS)-9,10-Dimethoxy-3,3-dimethyl-13,13a-dihydro-3H-([1]benzopyrano[4,3-e′]benzo[1,2-b:3,4-b′]dipyran)-7(7aH)-one
Other names
Deguelin; 3H-Bis(1)benzopyrano
(3,4-b:6',5'-e)pyran-7(7aH)-one,
13,13a-dihydro-9,10-dimethoxy-3,3-
dimethyl-, (7aS,13aS)-; 3H-Bis(1)
benzopyrano(3,4-b:6',5'-e)pyran-
7(7aH)-one, 13,13a-dihydro- 9,
10-dimethoxy-3,3-dimethyl-, (7aS-cis)-
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
PubChem CID
UNII
  • InChI=1S/C23H22O6/c1-23(2)8-7-12-15(29-23)6-5-13-21(24)20-14-9-17(25-3)18(26-4)10-16(14)27-11-19(20)28-22(12)13/h5-10,19-20H,11H2,1-4H3/t19-,20+/m1/s1 X mark.svgN
    Key: ORDAZKGHSNRHTD-UXHICEINSA-N X mark.svgN
  • InChI=1/C23H22O6/c1-23(2)8-7-12-15(29-23)6-5-13-21(24)20-14-9-17(25-3)18(26-4)10-16(14)27-11-19(20)28-22(12)13/h5-10,19-20H,11H2,1-4H3/t19-,20+/m1/s1
    Key: ORDAZKGHSNRHTD-UXHICEINBW
  • O=C2c5c(O[C@@H]3COc1cc(OC)c(OC)cc1[C@H]23)c4\C=C/C(Oc4cc5)(C)C
Properties
C23H22O6
Molar mass 394.42 g/mol
Melting point 171 °C (340 °F; 444 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
X mark.svgN  verify  (what is  Yes check.svgYX mark.svgN ?)

Deguelin is a derivative of rotenone. Both are compounds classified as rotenoids of the flavonoid family and are naturally occurring insecticides. They can be produced by extraction from several plant species belonging to three genera of the legume family, Fabaceae: Lonchocarpus , Derris , or Tephrosia .

Contents

Cubé resin, the root extract from cubé ( Lonchocarpus utilis ) and from barbasco ( Lonchocarpus urucu ), is used as a commercial insecticide and piscicide (fish poison). The major active ingredients are rotenone and deguelin. Although "organic" (produced by nature) cubé resin is no longer considered environmentally safe.

Rat pharmacokinetics

Deguelin and anti-cancer activity

Deguelin displays anti-cancer activity by inhibiting the growth of pre-cancerous and cancerous cells [2] - particularly for lung cancer. [3] So far the compound has shown no toxic effects on normal cells. However, high doses of deguelin are suspected of having negative effects on the heart, lungs and nerves. The molecular mechanisms include the induction of apoptosis, mediated through AKT/PKB signaling pathways in malignant and premalignant human bronchial epithelia (HBE) cells, with only minimal effects on normal HBE cells. Deguelin inhibits AKT by both Phosphoinositol-3-phosphate kinase (PI3K)-dependent and PI3K-independent pathways.

Deguelin and Parkinson's disease

Research has shown a correlation between intravenous deguelin and Parkinson's disease in rats. [4] The study does not suggest that deguelin exposure is responsible for Parkinson's disease in humans, but is consistent with the belief that chronic exposure to environmental toxins can increase the likelihood of the disease.

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References

  1. Udeani GO, Zhao GM, Shin YG, et al. (March 2001). "Pharmacokinetics of deguelin, a cancer chemopreventive agent in rats". Cancer Chemother. Pharmacol. 47 (3): 263–8. doi:10.1007/s002800000187. PMID   11320671. S2CID   6301221. Archived from the original on 2002-01-24.
  2. Lee HY (September 2004). "Molecular mechanisms of deguelin-induced apoptosis in transformed human bronchial epithelial cells". Biochem. Pharmacol. 68 (6): 1119–24. doi:10.1016/j.bcp.2004.05.033. PMID   15313408.
  3. Chun KH, Kosmeder JW, Sun S, et al. (February 2003). "Effects of deguelin on the phosphatidylinositol 3-kinase/Akt pathway and apoptosis in premalignant human bronchial epithelial cells". J. Natl. Cancer Inst. 95 (4): 291–302. doi: 10.1093/jnci/95.4.291 . PMID   12591985.
  4. Caboni P, Sherer TB, Zhang N, et al. (November 2004). "Rotenone, deguelin, their metabolites, and the rat model of Parkinson's disease". Chem. Res. Toxicol. 17 (11): 1540–8. doi:10.1021/tx049867r. PMID   15540952.