Rhynchophylline

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Rhynchophylline
Chemical structure of rhynchophylline
Names
IUPAC name
Methyl (7R,16E)-17-methoxy-2-oxo-16,17-didehydro-20α-corynoxan-16-carboxylate
Systematic IUPAC name
Methyl (2E)-2-[(1′R,6′R,7′S,8a′S)-6′-ethyl-2-oxo-1,2,2′,3′,6′,7′,8′,8a′-octahydro-5′H-spiro[indole-3,1′-indolizin]-7′-yl]-3-methoxyprop-2-enoate
Other names
  • Rhyncophylline
  • Mitrinermin
  • Mitrinermine
  • Rhynchophyllin
  • Rhynocophylline
Identifiers
3D model (
JSmol
)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard
 100.208.612 Edit this at Wikidata
KEGG
UNII
  • InChI=1S/C22H28N2O4/c1-4-14-12-24-10-9-22(17-7-5-6-8-18(17)23-21(22)26)19(24)11-15(14)16(13-27-2)20(25)28-3/h5-8,13-15,19H,4,9-12H2,1-3H3,(H,23,26)/b16-13+/t14-,15-,19-,22+/m0/s1
    Key: DAXYUDFNWXHGBE-KAXDATADSA-N
  • InChI=1/C22H28N2O4/c1-4-14-12-24-10-9-22(17-7-5-6-8-18(17)23-21(22)26)19(24)11-15(14)16(13-27-2)20(25)28-3/h5-8,13-15,19H,4,9-12H2,1-3H3,(H,23,26)/b16-13+/t14-,15-,19-,22+/m0/s1
    Key: DAXYUDFNWXHGBE-KAXDATADBC
  • CC[C@H]1CN2CC[C@]3([C@@H]2C[C@@H]1/C(=C\OC)/C(=O)OC)C4=CC=CC=C4NC3=O
Properties
C22H28N2O4
Molar mass 384.476 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Rhynchophylline is an alkaloid found in certain Uncaria species (Rubiaceae), notably Uncaria rhynchophylla[1] and Uncaria tomentosa.[2] It also occurs in the leaves of Mitragyna speciosa (kratom) and Mitragyna tubulosa,[3] a tree native to Thailand. Chemically, it is related to the alkaloid mitragynine.

Rhynchophylline is a non-competitive

NMDA antagonist (IC50 = 43.2 μM) and a calcium channel blocker.[4][5]

traditional herbal medicine, such as for lightheadedness, convulsions, numbness, and hypertension.[6] These uses have been associated with the presence of rhynchophylline and have encouraged its investigation as a drug candidate for several cardiovascular and central nervous system diseases; however, few clinically relevant studies have been conducted.[6]

See also

References

  1. PMID 12546715
    .
  2. S2CID 40280160
    .
  3. ^ "Mitragyna Speciosa (Kratom) - World Roots".
  4. PMID 12433591
    .
  5. PMID 15531384
    .
  6. ^
    PMID 20736055
    .