| Record Information |
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| Version | 2.0 |
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| Created at | 2022-04-28 00:00:52 UTC |
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| Updated at | 2022-04-28 00:00:52 UTC |
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| NP-MRD ID | NP0053322 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | 3-Methoxy-2-phenyl-4H-Furo[2,3-h]-1-benzopyran-4-one |
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| Description | Karanjin belongs to the class of organic compounds known as furanoflavones. These are polycyclic aromatic compounds containing a furan ring fused to a flavan-3-one. Thus, karanjin is considered to be a flavonoid lipid molecule. Karanjin is a furanoflavonol, a type of flavonoid. Karanjin is reported to have nitrification inhibitory properties. Karanjin is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Karanjin is an acaricide and insecticide. 3-Methoxy-2-phenyl-4H-Furo[2,3-h]-1-benzopyran-4-one is found in Dahlstedtia pentaphylla, Dahlstedtia pinnata, Derris indica , Derris mollis, Fardia cauliflora, Fordia cauliflora, Lonchocarpus heptaphyllus, Millettia leucantha, Millettia pulchra, Millettia pinnata, Pongania pinnata and Tephrosia purpurea . It is obtained from the seeds of the karanja tree (Millettia pinnata or Pongamia glabra Vent.), A tree growing wild in south India. |
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| Structure | COC1=C(OC2=C3C=COC3=CC=C2C1=O)C1=CC=CC=C1 InChI=1S/C18H12O4/c1-20-18-15(19)13-7-8-14-12(9-10-21-14)17(13)22-16(18)11-5-3-2-4-6-11/h2-10H,1H3 |
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| Synonyms | | Value | Source |
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| 3-Methoxy-2-phenyl-4H-furo(2,3-H)-1-benzopyran-4-one | MeSH |
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| Chemical Formula | C18H12O4 |
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| Average Mass | 292.2900 Da |
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| Monoisotopic Mass | 292.07356 Da |
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| IUPAC Name | 3-methoxy-2-phenyl-4H-furo[2,3-h]chromen-4-one |
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| Traditional Name | karanjin |
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| CAS Registry Number | Not Available |
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| SMILES | COC1=C(OC2=C3C=COC3=CC=C2C1=O)C1=CC=CC=C1 |
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| InChI Identifier | InChI=1S/C18H12O4/c1-20-18-15(19)13-7-8-14-12(9-10-21-14)17(13)22-16(18)11-5-3-2-4-6-11/h2-10H,1H3 |
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| InChI Key | LKPQNZRGGNOPPU-UHFFFAOYSA-N |
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| Experimental Spectra |
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| Not Available | | Predicted Spectra |
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| | Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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| 1D NMR | 13C NMR Spectrum (1D, 25 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| | Chemical Shift Submissions |
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| Not Available | | Species |
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| Species of Origin | |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as furanoflavones. These are polycyclic aromatic compounds containing a furan ring fused to a flavan-3-one. |
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| Kingdom | Organic compounds |
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| Super Class | Phenylpropanoids and polyketides |
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| Class | Flavonoids |
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| Sub Class | Flavones |
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| Direct Parent | Furanoflavones |
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| Alternative Parents | |
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| Substituents | - Furanoflavone
- Furanoflavonoid or dihydroflavonoid
- 3-methoxyflavonoid-skeleton
- 3-methoxychromone
- Chromone
- Benzopyran
- 1-benzopyran
- Benzofuran
- Alkyl aryl ether
- Pyranone
- Monocyclic benzene moiety
- Benzenoid
- Pyran
- Heteroaromatic compound
- Furan
- Oxacycle
- Organoheterocyclic compound
- Ether
- Organic oxygen compound
- Hydrocarbon derivative
- Organic oxide
- Organooxygen compound
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | |
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| Physical Properties |
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| State | Not Available |
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| Experimental Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Predicted Properties | |
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