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Record Information
Version2.0
Created at2022-09-05 16:06:35 UTC
Updated at2022-09-05 16:06:35 UTC
NP-MRD IDNP0216231
Secondary Accession NumbersNone
Natural Product Identification
Common Name(2s,6as)-2-hydroxy-2,5-dimethyl-10-methylidene-7-(prop-1-en-2-yl)-3h,6ah,7h,8h,9h,10ah-cyclohexa[e]azulene-1,4-dione
DescriptionCurcusone C belongs to the class of organic compounds known as rhamnofolane and daphnane diterpenoids. These are diterpenoids with a structure based on one the rhamnofolane or daphnane skeleton. The rhamnofolane and daphnane skeletons are closely related, being formally derived from casbane by two cyclizations (6,10 and 5,14) followed by cleavage of the 1,15 (daphnane) or 2,15 (rhamnofolane) cyclopropane bonds. (2s,6as)-2-hydroxy-2,5-dimethyl-10-methylidene-7-(prop-1-en-2-yl)-3h,6ah,7h,8h,9h,10ah-cyclohexa[e]azulene-1,4-dione is found in Jatropha curcas and Joannesia princeps. (2s,6as)-2-hydroxy-2,5-dimethyl-10-methylidene-7-(prop-1-en-2-yl)-3h,6ah,7h,8h,9h,10ah-cyclohexa[e]azulene-1,4-dione was first documented in 2011 (PMID: 21754941). Based on a literature review a small amount of articles have been published on Curcusone C (PMID: 33108571) (PMID: 30907087) (PMID: 28870734).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC20H24O3
Average Mass312.4090 Da
Monoisotopic Mass312.17254 Da
IUPAC Name(2S,6aS)-2-hydroxy-2,5-dimethyl-10-methylidene-7-(prop-1-en-2-yl)-1H,2H,3H,4H,6aH,7H,8H,9H,10H,10aH-cyclohexa[e]azulene-1,4-dione
Traditional Name(2S,6aS)-2-hydroxy-2,5-dimethyl-10-methylidene-7-(prop-1-en-2-yl)-3H,6aH,7H,8H,9H,10aH-cyclohexa[e]azulene-1,4-dione
CAS Registry NumberNot Available
SMILES
CC(=C)C1CCC(=C)C2[C@H]1C=C(C)C(=O)C1=C2C(=O)[C@@](C)(O)C1
InChI Identifier
InChI=1S/C20H24O3/c1-10(2)13-7-6-11(3)16-14(13)8-12(4)18(21)15-9-20(5,23)19(22)17(15)16/h8,13-14,16,23H,1,3,6-7,9H2,2,4-5H3/t13?,14-,16?,20-/m0/s1
InChI KeyDBPPEQIYWCILTJ-DNUKQYJSSA-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
Jatropha curcasLOTUS Database
Joannesia princepsLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as rhamnofolane and daphnane diterpenoids. These are diterpenoids with a structure based on one the rhamnofolane or daphnane skeleton. The rhamnofolane and daphnane skeletons are closely related, being formally derived from casbane by two cyclizations (6,10 and 5,14) followed by cleavage of the 1,15 (daphnane) or 2,15 (rhamnofolane) cyclopropane bonds.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassDiterpenoids
Direct ParentRhamnofolane and daphnane diterpenoids
Alternative Parents
Substituents
  • Rhamnofolane diterpenoid
  • Acyloin
  • Tertiary alcohol
  • Ketone
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic 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
logP3.45ChemAxon
pKa (Strongest Acidic)13.16ChemAxon
pKa (Strongest Basic)-3.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area54.37 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity92.03 m³·mol⁻¹ChemAxon
Polarizability35.15 ųChemAxon
Number of Rings3ChemAxon
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 IDNot Available
Chemspider ID153280
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound175942
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. An J, Li L, Zhang X: Curcusone C induces apoptosis in endometrial cancer cells via mitochondria-dependent apoptotic and ERK pathway. Biotechnol Lett. 2021 Jan;43(1):329-338. doi: 10.1007/s10529-020-03027-4. Epub 2020 Oct 27. [PubMed:33108571 ]
  2. Lee CW, Taylor BLH, Petrova GP, Patel A, Morokuma K, Houk KN, Stoltz BM: An Unexpected Ireland-Claisen Rearrangement Cascade During the Synthesis of the Tricyclic Core of Curcusone C: Mechanistic Elucidation by Trial-and-Error and Automatic Artificial Force-Induced Reaction (AFIR) Computations. J Am Chem Soc. 2019 May 1;141(17):6995-7004. doi: 10.1021/jacs.9b01146. Epub 2019 Apr 23. [PubMed:30907087 ]
  3. Wang M, Cao J, Zhu JY, Qiu J, Zhang Y, Shu B, Ou TM, Tan JH, Gu LQ, Huang ZS, Yin S, Li D: Curcusone C induces telomeric DNA-damage response in cancer cells through inhibition of telomeric repeat factor 2. Biochim Biophys Acta Proteins Proteom. 2017 Nov;1865(11 Pt A):1372-1382. doi: 10.1016/j.bbapap.2017.08.022. Epub 2017 Sep 21. [PubMed:28870734 ]
  4. Aiyelaagbe OO, Hamid AA, Fattorusso E, Taglialatela-Scafati O, Schroder HC, Muller WE: Cytotoxic Activity of Crude Extracts as well as of Pure Components from Jatropha Species, Plants Used Extensively in African Traditional Medicine. Evid Based Complement Alternat Med. 2011;2011:134954. doi: 10.1155/2011/134954. Epub 2011 Jun 15. [PubMed:21754941 ]
  5. LOTUS database [Link]