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Record Information
Version1.0
Created at2020-12-09 00:53:40 UTC
Updated at2021-07-15 16:47:12 UTC
NP-MRD IDNP0003722
Secondary Accession NumbersNone
Natural Product Identification
Common NameCandelalide A
Provided ByNPAtlasNPAtlas Logo
DescriptionCandelalide A belongs to the class of organic compounds known as naphthopyrans. Naphthopyrans are compounds containing a pyran ring fused to a naphthalene moiety. Furan is a 6 membered-ring non-aromatic ring with five carbon and one oxygen atoms. Naphthalene is a polycyclic aromatic hydrocarbon made up of two fused benzene rings. Candelalide A is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Candelalide A is found in Clonostachys candelabrum and Sesquicillium. It was first documented in 2001 (PMID: 11430046). Based on a literature review a small amount of articles have been published on candelalide A (PMID: 19191240) (PMID: 16092865).
Structure
Data?1624573886
Synonyms
ValueSource
(-)-Candelalide aChEBI
Chemical FormulaC25H34O4
Average Mass398.5430 Da
Monoisotopic Mass398.24571 Da
IUPAC Name3-{[(4aR,6aR,7R,10aR,10bS)-6a,10b-dimethyl-8-methylidene-1H,4aH,5H,6H,6aH,7H,8H,9H,10H,10aH,10bH-cyclohexa[f]chromen-7-yl]methyl}-2-methoxy-5,6-dimethyl-4H-pyran-4-one
Traditional Name3-{[(4aR,6aR,7R,10aR,10bS)-6a,10b-dimethyl-8-methylidene-1H,4aH,5H,6H,7H,9H,10H,10aH-cyclohexa[f]chromen-7-yl]methyl}-2-methoxy-5,6-dimethylpyran-4-one
CAS Registry NumberNot Available
SMILES
COC1=C(C[C@@H]2C(=C)CC[C@@H]3[C@]2(C)CC[C@H]2OC=CC[C@@]32C)C(=O)C(C)=C(C)O1
InChI Identifier
InChI=1S/C25H34O4/c1-15-8-9-20-24(4,12-10-21-25(20,5)11-7-13-28-21)19(15)14-18-22(26)16(2)17(3)29-23(18)27-6/h7,13,19-21H,1,8-12,14H2,2-6H3/t19-,20-,21-,24-,25+/m1/s1
InChI KeySCHPGLGCBCJZKD-YYHYCTJNSA-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
Clonostachys candelabrumLOTUS Database
SesquicilliumNPAtlas
Chemical Taxonomy
Description Belongs to the class of organic compounds known as naphthopyrans. Naphthopyrans are compounds containing a pyran ring fused to a naphthalene moiety. Furan is a 6 membered-ring non-aromatic ring with five carbon and one oxygen atoms. Naphthalene is a polycyclic aromatic hydrocarbon made up of two fused benzene rings.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassNaphthopyrans
Sub ClassNot Available
Direct ParentNaphthopyrans
Alternative Parents
Substituents
  • Naphthopyran
  • Naphthalene
  • Pyranone
  • Alkyl aryl ether
  • Pyran
  • Heteroaromatic compound
  • Vinylogous ester
  • Cyclic ketone
  • Oxacycle
  • Ether
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
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
logP5.18ALOGPS
logP5.1ChemAxon
logS-5.2ALOGPS
pKa (Strongest Basic)-4.5ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area44.76 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity125.8 m³·mol⁻¹ChemAxon
Polarizability45.28 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
NPAtlas IDNPA004208
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID8986204
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI ID65571
Good Scents IDNot Available
References
General References
  1. Singh SB, Zink DL, Dombrowski AW, Dezeny G, Bills GF, Felix JP, Slaughter RS, Goetz MA: Candelalides A-C: novel diterpenoid pyrones from fermentations of Sesquicillium candelabrum as blockers of the voltage-gated potassium channel Kv1.3. Org Lett. 2001 Jan 25;3(2):247-50. doi: 10.1021/ol006891x. [PubMed:11430046 ]
  2. Oguchi T, Watanabe K, Ohkubo K, Abe H, Katoh T: Enantioselective total synthesis of (-)-candelalides A, B and C: potential Kv1.3 blocking immunosuppressive agents. Chemistry. 2009;15(12):2826-45. doi: 10.1002/chem.200802122. [PubMed:19191240 ]
  3. Watanabe K, Iwasaki K, Abe T, Inoue M, Ohkubo K, Suzuki T, Katoh T: Enantioselective total synthesis of (-)-candelalide A, a novel blocker of the voltage-gated potassium channel Kv1.3 for an immunosuppressive agent. Org Lett. 2005 Aug 18;7(17):3745-8. doi: 10.1021/ol051398c. [PubMed:16092865 ]