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Record Information
Version2.0
Created at2022-09-08 17:21:02 UTC
Updated at2022-09-08 17:21:03 UTC
NP-MRD IDNP0271152
Secondary Accession NumbersNone
Natural Product Identification
Common Name(1s)-8-hydroxy-1-[(4-hydroxyphenyl)methyl]-7-methoxy-2,2-dimethyl-3,4-dihydro-1h-isoquinolin-2-ium
DescriptionOblongine belongs to the class of organic compounds known as benzylisoquinolines. These are organic compounds containing an isoquinoline to which a benzyl group is attached. (1s)-8-hydroxy-1-[(4-hydroxyphenyl)methyl]-7-methoxy-2,2-dimethyl-3,4-dihydro-1h-isoquinolin-2-ium is found in Berberis heteropoda, Berberis integerrima, Leontice leontopetalum, Litsea cubeba, Stephania cephalantha, Stephania tetrandra, Xylopia parviflora, Zanthoxylum gilletii and Zanthoxylum usambarense. (1s)-8-hydroxy-1-[(4-hydroxyphenyl)methyl]-7-methoxy-2,2-dimethyl-3,4-dihydro-1h-isoquinolin-2-ium was first documented in 2004 (PMID: 15081299). Based on a literature review a significant number of articles have been published on Oblongine (PMID: 31135214) (PMID: 27976592) (PMID: 23823874) (PMID: 26627195) (PMID: 21809577).
Structure
Thumb
Synonyms
ValueSource
Oblongine chlorideMeSH
Oblongine chloride, (-)-isomerMeSH
Oblongine chloride, (+-)-isomerMeSH
Chemical FormulaC19H24NO3
Average Mass314.4040 Da
Monoisotopic Mass314.17507 Da
IUPAC Name(1S)-8-hydroxy-1-[(4-hydroxyphenyl)methyl]-7-methoxy-2,2-dimethyl-1,2,3,4-tetrahydroisoquinolin-2-ium
Traditional Name(1S)-8-hydroxy-1-[(4-hydroxyphenyl)methyl]-7-methoxy-2,2-dimethyl-3,4-dihydro-1H-isoquinolin-2-ium
CAS Registry NumberNot Available
SMILES
COC1=CC=C2CC[N+](C)(C)[C@@H](CC3=CC=C(O)C=C3)C2=C1O
InChI Identifier
InChI=1S/C19H23NO3/c1-20(2)11-10-14-6-9-17(23-3)19(22)18(14)16(20)12-13-4-7-15(21)8-5-13/h4-9,16H,10-12H2,1-3H3,(H-,21,22)/p+1/t16-/m0/s1
InChI KeyPOJZOQWVMMYVBU-INIZCTEOSA-O
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
Berberis heteropodaLOTUS Database
Berberis integerrimaLOTUS Database
Leontice leontopetalumLOTUS Database
Litsea cubebaLOTUS Database
Stephania cephalanthaLOTUS Database
Stephania tetrandraLOTUS Database
Xylopia parvifloraLOTUS Database
Zanthoxylum gilletiiLOTUS Database
Zanthoxylum usambarenseLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as benzylisoquinolines. These are organic compounds containing an isoquinoline to which a benzyl group is attached.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassIsoquinolines and derivatives
Sub ClassBenzylisoquinolines
Direct ParentBenzylisoquinolines
Alternative Parents
Substituents
  • Benzylisoquinoline
  • Tetrahydroisoquinoline
  • Anisole
  • Alkyl aryl ether
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Aralkylamine
  • Monocyclic benzene moiety
  • Benzenoid
  • Tetraalkylammonium salt
  • Quaternary ammonium salt
  • Ether
  • Azacycle
  • Amine
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organopnictogen compound
  • Organic oxygen compound
  • Organic salt
  • Organic cation
  • 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
logP-0.9ChemAxon
pKa (Strongest Acidic)9.2ChemAxon
pKa (Strongest Basic)-4.9ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area49.69 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity103.29 m³·mol⁻¹ChemAxon
Polarizability34.24 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDC00025982
Chemspider ID151607
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound173713
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Rukachaisirikul T, Kumjun S, Suebsakwong P, Apiratikul N, Suksamrarn A: A new pyrrole alkaloid from the roots of Cissampelos pareira. Nat Prod Res. 2021 Jan;35(1):80-87. doi: 10.1080/14786419.2019.1614576. Epub 2019 May 28. [PubMed:31135214 ]
  2. Nishiyama Y, Moriyasu M, Ichimaru M, Iwasa K, Kato A, Mathenge SG, Chalo Mutiso PB, Juma FD: Quaternary isoquinoline alkaloids from Xylopia parviflora. Phytochemistry. 2004 Apr;65(7):939-44. doi: 10.1016/j.phytochem.2003.12.010. [PubMed:15081299 ]
  3. Dary C, Bun SS, Herbette G, Mabrouki F, Bun H, Kim S, Jabbour F, Hul S, Baghdikian B, Ollivier E: Chemical profiling of the tuber of Stephania cambodica Gagnep. (Menispermaceae) and analytical control by UHPLC-DAD. Nat Prod Res. 2017 Apr;31(7):802-809. doi: 10.1080/14786419.2016.1247077. Epub 2016 Dec 15. [PubMed:27976592 ]
  4. Yan R, Wang W, Guo J, Liu H, Zhang J, Yang B: Studies on the alkaloids of the bark of Magnolia officinalis: isolation and on-line analysis by HPLC-ESI-MS(n). Molecules. 2013 Jul 3;18(7):7739-50. doi: 10.3390/molecules18077739. [PubMed:23823874 ]
  5. Bajpai V, Singh A, Chandra P, Negi MP, Kumar N, Kumar B: Analysis of phytochemical variations in dioecious Tinospora cordifolia stems using HPLC/QTOF MS/MS and UPLC/QqQLIT -MS/MS. Phytochem Anal. 2016 Mar-Apr;27(2):92-9. doi: 10.1002/pca.2601. Epub 2015 Dec 2. [PubMed:26627195 ]
  6. Lu Z, Zhang Q, Chen R, Yu D: [Study on chemical constituents from branches and leaves of Polyalthia nemoralis]. Zhongguo Zhong Yao Za Zhi. 2011 Apr;36(8):1024-7. [PubMed:21809577 ]
  7. LOTUS database [Link]