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Elemicin

From Wikipedia, the free encyclopedia
Chemical compound
Pharmaceutical compound
Elemicin
Skeletal formula of elemicin
Ball-and-stick model of the elemicin molecule
Clinical data
Dependence
liability
None
Addiction
liability
Low / None
Routes of
administration
Oral
Legal status
Legal status
  • In general: uncontrolled
Identifiers
  • 1,2,3-Trimethoxy-5-(prop-2-en-1-yl)benzene
CAS Number
PubChemCID
ChemSpider
UNII
KEGG
ChEMBL
CompTox Dashboard(EPA)
ECHA InfoCard100.006.954Edit this at Wikidata
Chemical and physical data
FormulaC12H16O3
Molar mass208.257 g·mol−1
3D model (JSmol)
  • C=CCC1=CC(OC)=C(OC)C(OC)=C1
  • InChI=1S/C12H16O3/c1-5-6-9-7-10(13-2)12(15-4)11(8-9)14-3/h5,7-8H,1,6H2,2-4H3 checkY
  • Key:BPLQKQKXWHCZSS-UHFFFAOYSA-N checkY
  (verify)

Elemicin is aphenylpropene, a naturalorganic compound, and is a constituent of several plant species'essential oils.[1][2]

Natural occurrence

[edit]

Elemicin is a constituent of theoleoresin and the essential oil ofCanarium luzonicum (also referred to as elemi). Elemicin is named after this tree. One study found it to compose 2.4% of the fresh essential oil.[1] Elemicin is also present in the oils of the spicesnutmeg andmace, with it composing 2.4% and 10.5% of those oils respectively.[2] Structurally, elemicin is similar tomyristicin, differing only by myristicin's methyl group that joins the two oxygen atoms that make up its dioxymethy moiety, with both constituents being found in nutmeg and mace.

Isolation

[edit]

Elemicin was first isolated from elemi oil usingvacuum distillation. Specifically, the substance was collected between 162-165 °C at a reduced pressure of 10torr.[3][4]

Preparation

[edit]

Elemicin has beensynthesized fromsyringol andallyl bromide usingWilliamson ether synthesis andClaisen rearrangement.[5][6] Theelectrophilic aromatic substitution entering thepara-position was made possible by secondaryCope rearrangement.[7] This is due to syringol's allylaromaticether being blocked by ethers in bothortho-positions. When blocked the allyl group migrates to thepara-position, in this case with yields above 85%.[8]

Uses

[edit]

Elemicin has been used to synthesize the proto-alkaloidmescaline.[9]

Pharmacology

[edit]

Raw nutmeg causesanticholinergic-like effects, which are attributed to elemicin andmyristicin.[10][11] Elemicin inhibits Stearoyl-CoA Desaturase 1 (SCD1) by metabolic activation. Elemicin is one of the main components in aromatic food and has antimicrobial, antioxidant, and antiviral activities. Elemicin possesses genotoxicity and carcinogenicity. Excess consumption of raw nutmeg results in delirium and disorientation.[12]

Elemicin's psychoactivity is still a point of research, however some research suggests it may act like an agonist of the5-HT2A receptors, similar to many psychedelics.[13] However, this is controversial as the psychoactive effects of elemicin and plants it is found in, such as nutmeg, seem to cause moredeliriant-like effects than psychedelic ones.[14]

See also

[edit]

References

[edit]
  1. ^abVillanueva MA, Torres RC, Baser KH, Özek T, Kürkçüoglu M (1993). "The Composition of Manila Elemi Oil".Flavour and Fragrance Journal.8:35–37.doi:10.1002/ffj.2730080107.
  2. ^abLeela N (2008).Chemistry of Spices. Calicut, Kerala, India: Biddles Ltd. pp. 165–188 [170].ISBN 9781845934057.
  3. ^"Constituents of Essential Oils. Elemicin, a High-boiling Constituent of Elemi Oil, and the Displacement of Alkyloxygroups in the Benzene Nucleus by Hydrogen".Journal of the Chemical Society, Abstracts.94 (A493):557–558. 1908.doi:10.1039/CA9089400493.
  4. ^Semmler F (1908)."Zur Kenntnis der Bestandteile der ätherischen Öle. (Über das Elemicin, einen hochsiedenden Bestandteil des Elemiöls, und über Ersetzung von Alkyloxy-gruppen am Benzolkern durch Wasserstoff.)".Berichte der Deutschen Chemischen Gesellschaft.41 (2):1768–1775.doi:10.1002/cber.19080410240.
  5. ^Mauthner F (1918)."Die Synthese des Elemicins und Isoelemicins".Justus Liebigs Annalen der Chemie.414 (2):250–255.doi:10.1002/jlac.19184140213.
  6. ^"Synthesis of Elemicin and of isoElemicin".Journal of the Chemical Society, Abstracts.114: i428. 1918.doi:10.1039/CA9181400421.
  7. ^Thomas L (2005).Named Organic Reactions, 2nd Edition. Wolfsburg, Germany: John Wiley & Sons, Ltd. pp. 58–60 [59].ISBN 978-0470010402.
  8. ^Adams R (1944). "The Claisen Rearrangement".Organic Reactions. Vol. II. New York: John Wiley & Sons, Inc. pp. 2–44 [44].doi:10.1002/0471264180.or002.01.ISBN 978-0471264187.{{cite book}}:ISBN / Date incompatibility (help)
  9. ^Hahn G, Wassmuth H (1934). "Über β-[Oxyphenyl]-äthylamine und ihre Umwandlungen, I. Mitteil.: Synthese des Mezcalins".Berichte der Deutschen Chemischen Gesellschaft (A and B Series).67 (4):696–708.doi:10.1002/cber.19340670430.
  10. ^McKenna A, Nordt SP, Ryan J (August 2004). "Acute nutmeg poisoning".European Journal of Emergency Medicine.11 (4):240–241.doi:10.1097/01.mej.0000127649.69328.a5.PMID 15249817.S2CID 21133983.
  11. ^Shulgin AT, Sargent T, Naranjo C (December 1967)."The chemistry and psychopharmacology of nutmeg and of several related phenylisopropylamines".Psychopharmacology Bulletin.4 (3): 13.PMID 5615546. Archived fromthe original(pdf) on 2014-04-20. Retrieved2015-09-02.
  12. ^"elemicin",The Free Dictionary, retrieved2022-10-28
  13. ^Evaluation of 5-HT2A Receptor Agonistic Property of Elemicin
  14. ^Kelly BD, Gavin BE, Clarke M, Lane A, Larkin C (March 2003). "Nutmeg and psychosis".Schizophrenia Research.60 (1):95–96.doi:10.1016/s0920-9964(02)00204-9.PMID 12505144.S2CID 7540364.
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