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Record Information
Version2.0
Created at2020-12-09 01:27:38 UTC
Updated at2021-07-15 16:47:43 UTC
NP-MRD IDNP0003912
Secondary Accession NumbersNone
Natural Product Identification
Common NameCircumdatin A
Provided ByNPAtlasNPAtlas Logo
Description10,18-Dimethoxy-21-oxa-6,14,23-triazapentacyclo[12.9.0.0²,⁶.0⁸,¹³.0¹⁶,²²]Tricosa-1(23),8(13),9,11,16(22),17,19-heptaene-7,15-dione belongs to the class of organic compounds known as pyrimidodiazepines. Pyrimidodiazepines are compounds containing a pyrimidoazepine moiety, which consists of a pyrimidine fused to a piperazine ring by a bond. Pyrimidine is 6-membered ring consisting of five carbon atoms and two nitrogen atoms at ring positions 1 and 3. Diazepine is a 7-membered ring consisting of five carbon atoms and two nitrogen centers. Circumdatin A is found in Aspergillus ochraceus. Circumdatin A was first documented in 1999 (PMID: 11674237). Based on a literature review very few articles have been published on 10,18-dimethoxy-21-oxa-6,14,23-triazapentacyclo[12.9.0.0²,⁶.0⁸,¹³.0¹⁶,²²]Tricosa-1(23),8(13),9,11,16(22),17,19-heptaene-7,15-dione.
Structure
Data?1624573944
SynonymsNot Available
Chemical FormulaC21H19N3O5
Average Mass393.3990 Da
Monoisotopic Mass393.13247 Da
IUPAC Name(2R)-10,18-dimethoxy-21-oxa-6,14,23-triazapentacyclo[12.9.0.0^{2,6}.0^{8,13}.0^{16,22}]tricosa-1(23),8,10,12,16(22),17,19-heptaene-7,15-dione
Traditional Name(2R)-10,18-dimethoxy-21-oxa-6,14,23-triazapentacyclo[12.9.0.0^{2,6}.0^{8,13}.0^{16,22}]tricosa-1(23),8,10,12,16(22),17,19-heptaene-7,15-dione
CAS Registry NumberNot Available
SMILES
COC1=CC2=C(C=C1)N1C(=O)C3=C(OC=CC(OC)=C3)N=C1C1CCCN1C2=O
InChI Identifier
InChI=1S/C21H19N3O5/c1-27-12-5-6-16-14(10-12)20(25)23-8-3-4-17(23)18-22-19-15(21(26)24(16)18)11-13(28-2)7-9-29-19/h5-7,9-11,17H,3-4,8H2,1-2H3
InChI KeyYWIHZIZWXOCIAO-UHFFFAOYSA-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
Aspergillus ochraceusNPAtlas
Chemical Taxonomy
Description Belongs to the class of organic compounds known as pyrimidodiazepines. Pyrimidodiazepines are compounds containing a pyrimidoazepine moiety, which consists of a pyrimidine fused to a piperazine ring by a bond. Pyrimidine is 6-membered ring consisting of five carbon atoms and two nitrogen atoms at ring positions 1 and 3. Diazepine is a 7-membered ring consisting of five carbon atoms and two nitrogen centers.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPyrimidodiazepines
Sub ClassNot Available
Direct ParentPyrimidodiazepines
Alternative Parents
Substituents
  • Benzodiazepine
  • Pyrimidodiazepine
  • 1,4-benzodiazepine
  • Anisole
  • Alkyl aryl ether
  • Pyrimidone
  • Pyrimidine
  • Benzenoid
  • Heteroaromatic compound
  • Vinylogous ester
  • Vinylogous amide
  • Tertiary carboxylic acid amide
  • Pyrrolidine
  • Carboxamide group
  • Lactam
  • Carboxylic acid derivative
  • Ether
  • Oxacycle
  • Azacycle
  • Hydrocarbon derivative
  • Organic oxygen compound
  • Organic nitrogen compound
  • Organic oxide
  • Organonitrogen compound
  • Organooxygen compound
  • Organopnictogen compound
  • 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
logP1.35ALOGPS
logP0.98ChemAxon
logS-3.5ALOGPS
pKa (Strongest Basic)-1.5ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area80.67 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity115.8 m³·mol⁻¹ChemAxon
Polarizability41.63 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
NPAtlas IDNPA018126
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID78435089
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound74347666
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Rahbaek L, Breinholt J, Frisvad JC, Christophersen C: Circumdatin A, B, and C: Three New Benzodiazepine Alkaloids Isolated from a Culture of the Fungus Aspergillus ochraceus. J Org Chem. 1999 Mar 5;64(5):1689-1692. doi: 10.1021/jo981536u. [PubMed:11674237 ]