Record Information |
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Version | 2.0 |
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Created at | 2021-06-19 17:13:31 UTC |
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Updated at | 2021-06-29 23:49:39 UTC |
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NP-MRD ID | NP0024985 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | 5,4'-dihydroxy-7-methoxyflavone |
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Provided By | JEOL Database |
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Description | Genkwanin, also known as 7-methylapigenin, belongs to the class of organic compounds known as 7-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C7 atom of the flavonoid backbone. Thus, genkwanin is considered to be a flavonoid. Genkwanin 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. 5,4'-dihydroxy-7-methoxyflavone is found in Actinobole uliginosum, Ageratina pichinchensis, Alnus alnobetula, Aquilaria sinensis, Aquilegia oxysepala, Arnica cordifolia, Arnica venosa, Artemisia afra, Artemisia diffusa, Artemisia gmelinii, Artemisia oliveriana, Artemisia pontica, Artemisia princeps, Artemisia transiliensis, Baccharis genistelloides, Baccharis trinervis, Bahiopsis triangularis, Ballota hirsuta, Brickellia cavanillesii, Brickellia vernicosa, Calibrachoa parviflora, Callicarpa americana, Campanula armena, Castanea sativa, Chromolaena odorata, Cinnamomum kotoense, Cistus inflatus, Cistus ladanifer, Cistus laurifolius, Cyclotrichium niveum, Daphne bholua, Daphne feddei, Daphne gnidium, Daphne laureola, Dracocephalum multicaule, Equisetum arvense, Ericameria laricifolia, Eriodictyon sessilifolium, Eupatorium capillifolium, Eupatorium serotinum, Frullania teneriffae, Gymnocarpium robertianum, Gyrinops walla, Isodon enanderianus, Isodon eriocalyx, Isodon scoparius, Isodon umbrosus, Kaempferia parviflora, Klasea flavescens, Lavandula dentata, Leonurus japonicus, Leonurus sibiricus, Leonurus turkestanicus, Lycopus europaeus, Lycopus virginicus, Mentha pulegium, Mimosa tenuiflora, Mirabilis viscosa, Monticalia vaccinioides, Nepeta septemcrenata, Notholaena greggii, Notholaena rosei, Notholaena sulphurea, Ocimum basilicum L. , Ocimum selloi, Origanum akhadarense, Origanum boissieri, Origanum calcaratum, Origanum dictamnus , Origanum floribundum, Origanum hypercifolium, Origanum intercedens, Origanum majorana , Origanum micranthum, Origanum microphyllum, Origanum onites , Origanum syriacum , Origanum vulgare , Origanum vulgare subsp. Glandulosum , Origanum vulgare subsp. Hirtum , Oroxylum indicum, Phlomis herba-venti, Pinus morrisonicola, Pityrogramma ebenea, Plazia daphnoides, Populus grandidentata, Populus laurifolia, Populus tremuloides, Prunus cerasoides, Prunus leveilleana, Prunus yedoensis, Pycnanthus angolensis, Salvia candelabrum, Salvia moorcroftiana, Rosmarinus officinalis , Salvia sapinea, Satureja cuneifolia, Solanum paludosum, Streptomyces avermitilis, Symphyopappus compressus, Syphopappus polystachyus, Thymus herba-barona, Thymus vulgaris, Tinospora crispa , Vachellia constricta, Vernonanthura nudiflora, Vernonia fasciculata, Veronica cupressoides, Wikstroemia canescens, Xanthorrhoea preissii, Xerochrysum bracteatum and Zinnia citrea. 5,4'-dihydroxy-7-methoxyflavone was first documented in 2011 (PMID: 22379361). Based on a literature review a small amount of articles have been published on Genkwanin (PMID: 23831487) (PMID: 24059652) (PMID: 34315132) (PMID: 34099770). |
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Structure | [H]OC1=C([H])C([H])=C(C([H])=C1[H])C1=C([H])C(=O)C2=C(O[H])C([H])=C(OC([H])([H])[H])C([H])=C2O1 InChI=1S/C16H12O5/c1-20-11-6-12(18)16-13(19)8-14(21-15(16)7-11)9-2-4-10(17)5-3-9/h2-8,17-18H,1H3 |
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Synonyms | Value | Source |
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5,4'-Dihydroxy-7-methoxyflavone | ChEBI | 7-Methylapigenin | ChEBI | Apigenin 7-methyl ether | ChEBI | 5,4'-Dihydroxy-7-methoxy-flavone | HMDB | Gengkwanin | HMDB |
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Chemical Formula | C16H12O5 |
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Average Mass | 284.2635 Da |
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Monoisotopic Mass | 284.06847 Da |
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IUPAC Name | 5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-4H-chromen-4-one |
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Traditional Name | genkwanin |
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CAS Registry Number | Not Available |
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SMILES | [H]OC1=C([H])C([H])=C(C([H])=C1[H])C1=C([H])C(=O)C2=C(O[H])C([H])=C(OC([H])([H])[H])C([H])=C2O1 |
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InChI Identifier | InChI=1S/C16H12O5/c1-20-11-6-12(18)16-13(19)8-14(21-15(16)7-11)9-2-4-10(17)5-3-9/h2-8,17-18H,1H3 |
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InChI Key | JPMYFOBNRRGFNO-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, 400 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 100 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 200 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 300 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 500 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 600 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 700 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 800 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 900 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, DMSO-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| Predicted Spectra |
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| Not Available | 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 7-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C7 atom of the flavonoid backbone. |
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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 | O-methylated flavonoids |
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Direct Parent | 7-O-methylated flavonoids |
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Alternative Parents | Not Available |
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Substituents | Not Available |
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Molecular Framework | Aromatic heteropolycyclic compounds |
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External Descriptors | Not Available |
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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 | - Xie H, Liang Y, Ito Y, Wang X, Chen R, He J, Li H, Zhang T: PREPARATIVE ISOLATION AND PURIFICATION OF FOUR FLAVONOIDS FROM DAPHNE GENKWA SIEB. ET ZUCC. BY HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY. J Liq Chromatogr Relat Technol. 2011;34(19):2360-2372. doi: 10.1080/10826076.2011.589094. [PubMed:22379361 ]
- Song Y, Zhang S, Liu H, Jin X: Determination of genkwanin in rat plasma by liquid chromatography-tandem mass spectrometry: application to a bioavailability study. J Pharm Biomed Anal. 2013 Oct;84:129-34. doi: 10.1016/j.jpba.2013.06.006. Epub 2013 Jun 20. [PubMed:23831487 ]
- Li S, Chou G, Hseu Y, Yang H, Kwan H, Yu Z: Isolation of anticancer constituents from flos genkwa (Daphne genkwa Sieb.et Zucc.) through bioassay-guided procedures. Chem Cent J. 2013 Sep 23;7(1):159. doi: 10.1186/1752-153X-7-159. [PubMed:24059652 ]
- Zeng P, Fang M, Zhao H, Guo J: A network pharmacology approach to uncover the key ingredients in Ginkgo Folium and their anti-Alzheimer's disease mechanisms. Aging (Albany NY). 2021 Jul 27;13(14):18993-19012. doi: 10.18632/aging.203348. Epub 2021 Jul 27. [PubMed:34315132 ]
- Kim MK, Park SC, Park G, Choi E, Ji Y, Jang YP: Analytical quality by design methodology for botanical raw material analysis: a case study of flavonoids in Genkwa Flos. Sci Rep. 2021 Jun 7;11(1):11936. doi: 10.1038/s41598-021-91341-w. [PubMed:34099770 ]
- Park, Y., et al. (2007). Park, Y., et al, Magn. Reson. Chem. 45, 1072 (2007). Mag. Reson. Chem..
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