Record Information |
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Version | 1.0 |
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Created at | 2022-05-30 16:43:59 UTC |
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Updated at | 2022-05-30 16:43:59 UTC |
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NP-MRD ID | NP0137174 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | α-Naphthoflavone |
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Description | 2-PHENYL-4H-BENZO[H]CHROMEN-4-ONE, also known as alpha-naphthylflavone or 2-phenyl-4H-naphtho(1,2-b)pyran-4-one, belongs to the class of organic compounds known as flavones. These are flavonoids with a structure based on the backbone of 2-phenylchromen-4-one (2-phenyl-1-benzopyran-4-one). α-Naphthoflavone is found in Rhaponticum repens. It was first documented in 1969 (PMID: 5347522). 2-PHENYL-4H-BENZO[H]CHROMEN-4-ONE is an extremely weak basic (essentially neutral) compound (based on its pKa) (PMID: 143) (PMID: 14564451) (PMID: 17889503) (PMID: 22716253). |
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Structure | O=C1C=C(OC2=C1C=CC1=CC=CC=C21)C1=CC=CC=C1 InChI=1S/C19H12O2/c20-17-12-18(14-7-2-1-3-8-14)21-19-15-9-5-4-6-13(15)10-11-16(17)19/h1-12H |
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Synonyms | Value | Source |
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2-Phenyl-4H-naphtho(1,2-b)pyran-4-one | ChEBI | 7,8-Benzoflavone | ChEBI | 7,8-BF | ChEBI | alpha-Naphthylflavone | ChEBI | Benzo[H]flavone | ChEBI | a-Naphthylflavone | Generator | Α-naphthylflavone | Generator | a-Naphthoflavone | Generator | Α-naphthoflavone | Generator | alpha-Naphthoflavone | MeSH |
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Chemical Formula | C19H12O2 |
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Average Mass | 272.2974 Da |
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Monoisotopic Mass | 272.08373 Da |
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IUPAC Name | 2-phenyl-4H-benzo[h]chromen-4-one |
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Traditional Name | α-naphthoflavone |
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CAS Registry Number | Not Available |
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SMILES | O=C1C=C(OC2=C1C=CC1=CC=CC=C21)C1=CC=CC=C1 |
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InChI Identifier | InChI=1S/C19H12O2/c20-17-12-18(14-7-2-1-3-8-14)21-19-15-9-5-4-6-13(15)10-11-16(17)19/h1-12H |
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InChI Key | VFMMPHCGEFXGIP-UHFFFAOYSA-N |
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Experimental Spectra |
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| Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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1D NMR | 13C NMR Spectrum (1D, 201.216488466 MHz, CD3OD, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600.133705802 MHz, CD3OD, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| 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, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, 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 flavones. These are flavonoids with a structure based on the backbone of 2-phenylchromen-4-one (2-phenyl-1-benzopyran-4-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 | Flavones |
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Alternative Parents | |
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Substituents | - Flavone
- Naphthopyranone
- Naphthopyran
- Chromone
- Benzopyran
- Naphthalene
- 1-benzopyran
- Pyranone
- Pyran
- Monocyclic benzene moiety
- Benzenoid
- Heteroaromatic compound
- Organoheterocyclic compound
- Oxacycle
- Organooxygen compound
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen 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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General References | - Sloane NH: alpha-Naphthoflavone activation of 6-hydroxymethylbenzo(alpha)pyrene synthetase. Cancer Res. 1975 Dec;35(12):3731-4. [PubMed:143 ]
- Cheng YW, Li CH, Lee CC, Kang JJ: Alpha-naphthoflavone induces vasorelaxation through the induction of extracellular calcium influx and NO formation in endothelium. Naunyn Schmiedebergs Arch Pharmacol. 2003 Nov;368(5):377-85. doi: 10.1007/s00210-003-0820-6. Epub 2003 Oct 15. [PubMed:14564451 ]
- Jang JY, Shin S, Choi BI, Park D, Jeon JH, Hwang SY, Kim JC, Kim YB, Nahm SS: Antiteratogenic effects of alpha-naphthoflavone on 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) exposed mice in utero. Reprod Toxicol. 2007 Nov-Dec;24(3-4):303-9. doi: 10.1016/j.reprotox.2007.08.002. Epub 2007 Aug 19. [PubMed:17889503 ]
- Liao PL, Li CH, Chang CY, Lu SR, Lin CH, Tse LS, Cheng YW: Anti-ageing effects of alpha-naphthoflavone on normal and UVB-irradiated human skin fibroblasts. Exp Dermatol. 2012 Jul;21(7):546-8. doi: 10.1111/j.1600-0625.2012.01517.x. [PubMed:22716253 ]
- Diamond L, Gelboin HV: Alpha-naphthoflavone: an inhibitor of hydrocarbon cytotoxicity and microsomal hydroxylase. Science. 1969 Nov 21;166(3908):1023-5. doi: 10.1126/science.166.3908.1023. [PubMed:5347522 ]
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