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Record Information
Version2.0
Created at2022-04-28 11:08:34 UTC
Updated at2022-04-28 11:08:35 UTC
NP-MRD IDNP0066919
Secondary Accession NumbersNone
Natural Product Identification
Common Name(+)-Meloscine
DescriptionMeloscine belongs to the class of organic compounds known as melodinus alkaloids. These are alkaloids with a structure that is based on the melodinus skeleton. This backbone is a pentacyclic structure that contains a tetrahydroquinoline and an indolizine joined to each other through a cyclopentane. (+)-Meloscine is found in Melodinus hemsleyanus and Melodinus scandens . (+)-Meloscine was first documented in 2012 (PMID: 22423277). Based on a literature review a small amount of articles have been published on Meloscine (PMID: 24428198) (PMID: 24313360) (PMID: 23316092) (PMID: 22242696).
Structure
Thumb
Synonyms
ValueSource
EpimeloscineMeSH
Chemical FormulaC19H20N2O
Average Mass292.3820 Da
Monoisotopic Mass292.15756 Da
IUPAC Name(1R,10S,12S,19S)-12-ethenyl-8,16-diazapentacyclo[10.6.1.0^{1,10}.0^{2,7}.0^{16,19}]nonadeca-2(7),3,5,13-tetraen-9-one
Traditional Name(1R,10S,12S,19S)-12-ethenyl-8,16-diazapentacyclo[10.6.1.0^{1,10}.0^{2,7}.0^{16,19}]nonadeca-2(7),3,5,13-tetraen-9-one
CAS Registry NumberNot Available
SMILES
C=C[C@@]12C[C@@H]3C(=O)NC4=C(C=CC=C4)[C@@]33CCN(CC=C1)[C@@H]23
InChI Identifier
InChI=1S/C19H20N2O/c1-2-18-8-5-10-21-11-9-19(17(18)21)13-6-3-4-7-15(13)20-16(22)14(19)12-18/h2-8,14,17H,1,9-12H2,(H,20,22)/t14-,17+,18+,19+/m1/s1
InChI KeyBEMFQIDPZLYEBJ-FCLVOEFKSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Melodinus hemsleyanusPlant
Melodinus scandensPlant
Chemical Taxonomy
Description Belongs to the class of organic compounds known as melodinus alkaloids. These are alkaloids with a structure that is based on the melodinus skeleton. This backbone is a pentacyclic structure that contains a tetrahydroquinoline and an indolizine joined to each other through a cyclopentane.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassMelodinus alkaloids
Sub ClassNot Available
Direct ParentMelodinus alkaloids
Alternative Parents
Substituents
  • Melodinus skeleton
  • Tetrahydroquinolone
  • Quinolone
  • Tetrahydroquinoline
  • Aralkylamine
  • N-alkylpyrrolidine
  • Benzenoid
  • Pyrrolidine
  • Amino acid or derivatives
  • Carboxamide group
  • Lactam
  • Secondary carboxylic acid amide
  • Tertiary amine
  • Tertiary aliphatic amine
  • Carboxylic acid derivative
  • Azacycle
  • Organoheterocyclic compound
  • Organic oxide
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Organic nitrogen compound
  • Carbonyl group
  • Amine
  • Hydrocarbon derivative
  • 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
logP2.64ALOGPS
logP2.28ChemAxon
logS-3ALOGPS
pKa (Strongest Acidic)13.6ChemAxon
pKa (Strongest Basic)9.14ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area32.34 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity89.44 m³·mol⁻¹ChemAxon
Polarizability31.91 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDC00024577
Chemspider ID553817
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound638266
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Low YY, Hong FJ, Lim KH, Thomas NF, Kam TS: Transformations of the 2,7-Seco Aspidosperma alkaloid leuconolam, structure revision of epi-leuconolam, and partial syntheses of leuconoxine and leuconodines A and F. J Nat Prod. 2014 Feb 28;77(2):327-38. doi: 10.1021/np400922x. Epub 2014 Jan 15. [PubMed:24428198 ]
  2. Zhang H, Jeon KO, Hay EB, Geib SJ, Curran DP, LaPorte MG: Radical [3 + 2]-annulation of divinylcyclopropanes: rapid synthesis of complex meloscine analogs. Org Lett. 2014 Jan 3;16(1):94-7. doi: 10.1021/ol403078e. Epub 2013 Dec 6. [PubMed:24313360 ]
  3. Feldman KS, Antoline JF: Synthesis studies on the Melodinus alkaloid meloscine. Tetrahedron. 2013 Feb 4;69(5):1434-1445. doi: 10.1016/j.tet.2012.12.032. [PubMed:23316092 ]
  4. Coldham I, Burrell AJ, Guerrand HD, Watson L, Martin NG, Oram N: Synthesis of fused tricyclic amines unsubstituted at the ring-junction positions by a cascade condensation, cyclization, cycloaddition then decarbonylation strategy. Beilstein J Org Chem. 2012;8:107-11. doi: 10.3762/bjoc.8.11. Epub 2012 Jan 18. [PubMed:22423277 ]
  5. Feldman KS, Antoline JF: Allenyl azide cycloaddition chemistry: application to the total synthesis of (+/-)-meloscine. Org Lett. 2012 Feb 3;14(3):934-7. doi: 10.1021/ol203463n. Epub 2012 Jan 13. [PubMed:22242696 ]