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Record Information
Version2.0
Created at2022-09-05 15:56:27 UTC
Updated at2022-09-05 15:56:27 UTC
NP-MRD IDNP0216103
Secondary Accession NumbersNone
Natural Product Identification
Common Namemethyl (2e)-2-[(2s,12bs)-3-ethyl-1h,2h,3h,4h,6h,7h,12h,12bh-indolo[2,3-a]quinolizin-2-yl]-3-methoxyprop-2-enoate
DescriptionDihydrocorynantheine, also known as corynantheidine or hirsutine, belongs to the class of organic compounds known as corynanthean-type alkaloids. These are alkaloids with a structure based on the corynanthean nucleus, which is a tetracycle characterized by an indole fused to a quinolizidine. Additionally, the quinolizidine ring system is substituted to a 2-methylpropyl group and one ethyl group. methyl (2e)-2-[(2s,12bs)-3-ethyl-1h,2h,3h,4h,6h,7h,12h,12bh-indolo[2,3-a]quinolizin-2-yl]-3-methoxyprop-2-enoate is found in Cephalanthus occidentalis, Corynanthe pachyceras, Uncaria cordata, Uncaria rhynchophylla, Uncaria sinensis and Uncaria tomentosa. methyl (2e)-2-[(2s,12bs)-3-ethyl-1h,2h,3h,4h,6h,7h,12h,12bh-indolo[2,3-a]quinolizin-2-yl]-3-methoxyprop-2-enoate was first documented in 2011 (PMID: 21070010). Based on a literature review a small amount of articles have been published on Dihydrocorynantheine (PMID: 29268964) (PMID: 34854134) (PMID: 25306115) (PMID: 22052788).
Structure
Thumb
Synonyms
ValueSource
CorynantheidineMeSH
HirsutineMeSH
Hirsutine, (16E)-isomerMeSH
Hirsutine, (3beta,16E)-isomerMeSH
18,19-DihydrocorynantheineMeSH
Hirsutine, (16E,20beta)-isomerMeSH
Chemical FormulaC22H28N2O3
Average Mass368.4770 Da
Monoisotopic Mass368.20999 Da
IUPAC Namemethyl (2E)-2-[(2S,12bS)-3-ethyl-1H,2H,3H,4H,6H,7H,12H,12bH-indolo[2,3-a]quinolizin-2-yl]-3-methoxyprop-2-enoate
Traditional Namemethyl (2E)-2-[(2S,12bS)-3-ethyl-1H,2H,3H,4H,6H,7H,12H,12bH-indolo[2,3-a]quinolizin-2-yl]-3-methoxyprop-2-enoate
CAS Registry NumberNot Available
SMILES
CCC1CN2CCC3=C(NC4=CC=CC=C34)[C@@H]2C[C@@H]1\C(=C/OC)C(=O)OC
InChI Identifier
InChI=1S/C22H28N2O3/c1-4-14-12-24-10-9-16-15-7-5-6-8-19(15)23-21(16)20(24)11-17(14)18(13-26-2)22(25)27-3/h5-8,13-14,17,20,23H,4,9-12H2,1-3H3/b18-13+/t14?,17-,20-/m0/s1
InChI KeyNMLUOJBSAYAYEM-VXQWDRHASA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Cephalanthus occidentalisLOTUS Database
Corynanthe pachycerasLOTUS Database
Uncaria cordataLOTUS Database
Uncaria rhynchophyllaLOTUS Database
Uncaria sinensisLOTUS Database
Uncaria tomentosaLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as corynanthean-type alkaloids. These are alkaloids with a structure based on the corynanthean nucleus, which is a tetracycle characterized by an indole fused to a quinolizidine. Additionally, the quinolizidine ring system is substituted to a 2-methylpropyl group and one ethyl group.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassCorynanthean-type alkaloids
Sub ClassNot Available
Direct ParentCorynanthean-type alkaloids
Alternative Parents
Substituents
  • Corynanthean skeleton
  • Beta-carboline
  • Pyridoindole
  • Quinolizine
  • 3-alkylindole
  • Indole
  • Indole or derivatives
  • Aralkylamine
  • Piperidine
  • Benzenoid
  • Vinylogous ester
  • Pyrrole
  • Methyl ester
  • Heteroaromatic compound
  • Enoate ester
  • Alpha,beta-unsaturated carboxylic ester
  • Tertiary aliphatic amine
  • Tertiary amine
  • Carboxylic acid ester
  • Amino acid or derivatives
  • Carboxylic acid derivative
  • Organoheterocyclic compound
  • Azacycle
  • Monocarboxylic acid or derivatives
  • Hydrocarbon derivative
  • Amine
  • Organic oxygen compound
  • Organonitrogen compound
  • Organooxygen compound
  • Organic oxide
  • Organic nitrogen compound
  • Carbonyl group
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP3.46ChemAxon
pKa (Strongest Acidic)16.37ChemAxon
pKa (Strongest Basic)7.29ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area54.56 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity106.45 m³·mol⁻¹ChemAxon
Polarizability42.15 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDC00025166
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound101287817
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Gutierrez-Rebolledo GA, Drier-Jonas S, Jimenez-Arellanes MA: Natural compounds and extracts from Mexican medicinal plants with anti-leishmaniasis activity: An update. Asian Pac J Trop Med. 2017 Dec;10(12):1105-1110. doi: 10.1016/j.apjtm.2017.10.016. Epub 2017 Nov 7. [PubMed:29268964 ]
  2. Wang K, Zhou XY, Wang YY, Li MM, Li YS, Peng LY, Cheng X, Li Y, Wang YP, Zhao QS: Macrophyllionium and macrophyllines A and B, oxindole alkaloids from Uncaria macrophylla. J Nat Prod. 2011 Jan 28;74(1):12-5. doi: 10.1021/np1004938. Epub 2010 Nov 11. [PubMed:21070010 ]
  3. Sakamoto J, Ishikawa H: Bioinspired Transformations Using Strictosidine Aglycones: Divergent Total Syntheses of Monoterpenoid Indole Alkaloids in the Early Stage of Biosynthesis. Chemistry. 2022 Feb 21;28(10):e202104052. doi: 10.1002/chem.202104052. Epub 2021 Dec 21. [PubMed:34854134 ]
  4. Gai Y, Chen H, Liu W, Feng F, Xie N: The metabolism of YiGan San and subsequent pharmacokinetic evaluation of four metabolites in rat based on liquid chromatography with tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Dec 1;972:22-8. doi: 10.1016/j.jchromb.2014.09.033. Epub 2014 Sep 30. [PubMed:25306115 ]
  5. Zhang W, Bah J, Wohlfarth A, Franzen J: A stereodivergent strategy for the preparation of corynantheine and ipecac alkaloids, their epimers, and analogues: efficient total synthesis of (-)-dihydrocorynantheol, (-)-corynantheol, (-)-protoemetinol, (-)-corynantheal, (-)-protoemetine, and related natural and nonnatural compounds. Chemistry. 2011 Dec 2;17(49):13814-24. doi: 10.1002/chem.201102012. Epub 2011 Nov 3. [PubMed:22052788 ]
  6. LOTUS database [Link]