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Record Information
Version2.0
Created at2022-09-07 12:44:51 UTC
Updated at2022-09-07 12:44:51 UTC
NP-MRD IDNP0250022
Secondary Accession NumbersNone
Natural Product Identification
Common Name(1s,2r,4r,8s,9r,12s,13s,16s)-2,8,12-trihydroxy-5,5-dimethyl-18-methylidene-11-oxapentacyclo[11.3.2.0¹,¹².0⁴,⁹.0⁹,¹⁶]octadecan-17-one
DescriptionEXCISANIN H belongs to the class of organic compounds known as kaurane diterpenoids. These are diterpene alkaloids with a structure that is based on the kaurane skeleton. Kaurane is a tetracyclic compound that arises by cyclisation of a pimarane precursor followed by rearrangement. It possesses a [3,2,1]-bicyclic ring system with C15-C16 bridge connected to C13, forming the five-membered ring D. (1s,2r,4r,8s,9r,12s,13s,16s)-2,8,12-trihydroxy-5,5-dimethyl-18-methylidene-11-oxapentacyclo[11.3.2.0¹,¹².0⁴,⁹.0⁹,¹⁶]octadecan-17-one is found in Isodon excisus. (1s,2r,4r,8s,9r,12s,13s,16s)-2,8,12-trihydroxy-5,5-dimethyl-18-methylidene-11-oxapentacyclo[11.3.2.0¹,¹².0⁴,⁹.0⁹,¹⁶]octadecan-17-one was first documented in 2004 (PMID: 15043413). Based on a literature review very few articles have been published on EXCISANIN H (PMID: 35339903).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC20H28O5
Average Mass348.4390 Da
Monoisotopic Mass348.19367 Da
IUPAC Name(1S,2R,4R,8S,9R,12S,13S,16S)-2,8,12-trihydroxy-5,5-dimethyl-18-methylidene-11-oxapentacyclo[11.3.2.0^{1,12}.0^{4,9}.0^{9,16}]octadecan-17-one
Traditional Name(1S,2R,4R,8S,9R,12S,13S,16S)-2,8,12-trihydroxy-5,5-dimethyl-18-methylidene-11-oxapentacyclo[11.3.2.0^{1,12}.0^{4,9}.0^{9,16}]octadecan-17-one
CAS Registry NumberNot Available
SMILES
CC1(C)CC[C@H](O)[C@@]23CO[C@@]4(O)[C@H]5CC[C@@H]2[C@]4([C@H](O)C[C@H]13)C(=O)C5=C
InChI Identifier
InChI=1S/C20H28O5/c1-10-11-4-5-12-18-9-25-20(11,24)19(12,16(10)23)15(22)8-13(18)17(2,3)7-6-14(18)21/h11-15,21-22,24H,1,4-9H2,2-3H3/t11-,12-,13+,14-,15+,18-,19-,20-/m0/s1
InChI KeyUYPLBJHUGYAYIW-JAIFNCCESA-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
Isodon excisusLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as kaurane diterpenoids. These are diterpene alkaloids with a structure that is based on the kaurane skeleton. Kaurane is a tetracyclic compound that arises by cyclisation of a pimarane precursor followed by rearrangement. It possesses a [3,2,1]-bicyclic ring system with C15-C16 bridge connected to C13, forming the five-membered ring D.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassDiterpenoids
Direct ParentKaurane diterpenoids
Alternative Parents
Substituents
  • Kaurane diterpenoid
  • Oxane
  • Cyclic alcohol
  • Secondary alcohol
  • Ketone
  • Hemiacetal
  • Oxacycle
  • Organoheterocyclic compound
  • Polyol
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • Aliphatic heteropolycyclic compound
Molecular FrameworkAliphatic 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
logP1.42ChemAxon
pKa (Strongest Acidic)11.14ChemAxon
pKa (Strongest Basic)-3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area86.99 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity90.65 m³·mol⁻¹ChemAxon
Polarizability37.14 ųChemAxon
Number of Rings5ChemAxon
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 IDC00043502
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound101345678
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Gui MY, Aoyagi Y, Jin YR, Li XW, Hasuda T, Takeya K: Excisanin H, a novel cytotoxic 14,20-epoxy-ent-kaurene diterpenoid, and three new ent-kaurene diterpenoids from Rabdosia excisa. J Nat Prod. 2004 Mar;67(3):373-6. doi: 10.1021/np030357r. [PubMed:15043413 ]
  2. El-Ashrey MK, Bakr RO, Fayed MAA, Refaey RH, Nissan YM: Pharmacophore based virtual screening for natural product database revealed possible inhibitors for SARS-COV-2 main protease. Virology. 2022 May;570:18-28. doi: 10.1016/j.virol.2022.03.003. Epub 2022 Mar 22. [PubMed:35339903 ]
  3. LOTUS database [Link]