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Cycloclavine

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Cycloclavine
Names
IUPAC name 6,8-Dimethyl-8,10-cycloergoline
Systematic IUPAC name (1aS,3aR,9bS)-1a,3-Dimethyl-1a,2,3,3a,4,6-hexahydro-1H-cyclopropaindoloindole
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C16H18N2/c1-15-8-16(15)11-4-3-5-12-14(11)10(7-17-12)6-13(16)18(2)9-15/h3-5,7,13,17H,6,8-9H2,1-2H3/t13-,15-,16-/m0/s1Key: ZWJHDICNUKHUGE-BPUTZDHNSA-N
SMILES
  • 12CC3=CNC4=C3C(=CC=C4)11C1(C)CN2C
Properties
Chemical formula C16H18N2
Molar mass 238.334 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Cycloclavine is an ergot alkaloid. It was first isolated in 1969 from seeds of Ipomoea hildebrandtii vatke. The first total synthesis of (±)-cycloclavine was published in 2008 by Szántay. Further reports came from Wipf and Petronijevic, Cao and Brewer. In 2016, Wipf and McCabe completed an 8-step asymmetric synthesis of (–)-cycloclavine, and in 2018, they expanded this approach toward (+)-cycloclavine and a biological characterization of the binding profile of both enantiomers on 16 brain receptors. Natural (+)- and unnatural (–)-cycloclavine demonstrated significant stereospecificity and unique binding profiles in comparison to LSD (lysergic acid diethylamide), psilocin, and DMT. Differential 5-HT receptor affinities, as well as novel sigma-1 receptor properties, suggest potential future therapeutic opportunities of clavine alkaloid scaffolds.

References

  1. "KNApSAcK Metabolite Information - C00011221". www.knapsackfamily.com.
  2. Stauffacher, D; Niklaus, P; Tscherter, H; Weber, H.P; Hofmann, A (1969). "Cycloclavin, ein neues alkaloid aus Ipomoea hildebrandtii vatke—71". Tetrahedron. 25 (24): 5879–87. doi:10.1016/S0040-4020(01)83095-7. PMID 5373534.
  3. Incze, M.; Dörnyei, G.; Moldvai, I.; Temesvári-Major, E.; Egyed, O.; Szántay, C. (2008). "New routes to clavine-type ergot alkaloids. Part 2: Synthesis of the last, so far not yet synthesized member of the clavine alkaloid family, (±)-cycloclavine". Tetrahedron. 64 (13): 2924–2929. doi:10.1016/j.tet.2008.01.101.
  4. Petronijevic, F. R.; Wipf, P (2011). "Total Synthesis of (±)-Cycloclavine and (±)-5-epi-Cycloclavine". J. Am. Chem. Soc. 133 (20): 7704–7707. doi:10.1021/ja2026882. PMC 3111057. PMID 21517102.
  5. Wang, W.; Lu, J.-T.; Zhang, H.-L.; Shi, Z.-F.; Wen, J.; Cao, X.-P (2013). "Formal Synthesis of (±)-Cycloclavine". J. Org. Chem. 79 (1): 122–127. doi:10.1021/jo4023588. PMID 24279324.
  6. Jabre, N. D.; Watanabe, T.; Brewer, M. (2014). "Formal and total synthesis of (±)-cycloclavine". Tetrahedron Lett. 55 (1): 197–199. doi:10.1016/j.tetlet.2013.10.152. PMC 3915717. PMID 24511164.
  7. McCabe, Stephanie R. (2017). "Eight-Step Enantioselective Total Synthesis of (−)-Cycloclavine". Angewandte Chemie. 129 (1): 330–333. doi:10.1002/ange.201608820. PMC 5195887. PMID 27860203.
  8. Wipf, Peter; McCabe, Stephanie (2018-11-20). "Asymmetric Total Synthesis and Biological Evaluation of (+)-Cycloclavine". Synthesis. 51: 213–224. doi:10.1055/s-0037-1610395. ISSN 0039-7881.


Ergolines
Lysergic acid
derivatives
Psychedelic
lysergamides
Clavines
Other
ergolines
Related
compounds
Natural
sources

Morning glory: Argyreia nervosa (Hawaiian Baby Woodrose), Ipomoea spp.(Morning Glory, Tlitliltzin, Badoh Negro), Rivea corymbosa (Coaxihuitl, Ololiúqui)


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