| Record Information |
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| Version | 2.0 |
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| Created at | 2022-09-07 18:13:42 UTC |
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| Updated at | 2022-09-07 18:13:42 UTC |
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| NP-MRD ID | NP0254154 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | (5r,9s,13s)-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylic acid |
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| Description | Ent-Kaur-16-en-19-oic acid, also known as argyrophilic acid, belongs to the class of organic compounds known as kaurane diterpenoids. These are diterpene alkaloids with a structure that is based on the kaurane skeleton. Kaurane is a tetracyclic compound that arises by cyclisation of a pimarane precursor followed by rearrangement. It possesses a [3,2,1]-bicyclic ring system with C15-C16 bridge connected to C13, forming the five-membered ring D. (5r,9s,13s)-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylic acid is found in Alepidea serrata, Annona glabra, Annona reticulata, Annona squamosa, Apis mellifera, Aralia cordata, Argyrochosma pallens, Aspilia mossambicensis, Aspilia pluriseta, Bahia ambrosioides, Bedfordia arborescens, Calanticaria greggii, Calocephalus knappii, Hyptis spicigera, Casearia corymbosa, Chrozophora oblongifolia, Copaifera langsdorffii, Critonia hebebotrya, Croton tricolor, Dendroviguiera insignis, Disynaphia multicrenulata, Eleutherococcus trichodon, Eleutherococcus trifoliatus, Espeletia semiglobulata, Guizotia scabra, Helianthus annuus, Helianthus heterophyllus, Helianthus petiolaris, Helianthus porteri, Helianthus radula, Helianthus simulans, Helichrysum kraussii, Helichrysum reflexum, Iostephane heterophylla, Iostephane madrensis, Lasianthaea fruticosa, Loxothysanus sinuatus, Mikania hirsutissima, Mikania vitifolia, Mitrephora celebica, Montanoa frutescens, Montanoa leucantha, Montanoa speciosa, Montanoa tomentosa, Nassauvia darwinii, Othonna sedifolia, Oyedaea verbesinoides, Ozothamnus retusus, Ozothamnus scutellifolius, Pappobolus stuebelii, Perymeniopsis ovalifolia, Porella densifolia, Pseudognaphalium montevidense, Pseudognaphalium viravira, Pseudognaphalium viscosum, Robinsonia thurifera, Sagittaria trifolia, Senecio asperulus, Smallanthus sonchifolius, Solidago missouriensis, Solidago nemoralis, Solidago rugosa, Sphagneticola calendulacea, Sphagneticola trilobata, Stevia lucida, Stevia monardifolia, Viguiera dentata, Viguiera hypargyrea, Viguiera linearis, Dendroviguiera oaxacana, Aldama robusta, Dendroviguiera sylvatica, Wedelia acapulcensis, Wedelia chinensis, Wedelia prostrata, Xylopia aethiopica and Xylopia frutescens. Based on a literature review very few articles have been published on ent-Kaur-16-en-19-oic acid. |
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| Structure | C[C@@]12CCC[C@](C)(C1CCC13C[C@H](CCC21)C(=C)C3)C(O)=O InChI=1S/C20H30O2/c1-13-11-20-10-7-15-18(2,16(20)6-5-14(13)12-20)8-4-9-19(15,3)17(21)22/h14-16H,1,4-12H2,2-3H3,(H,21,22)/t14-,15?,16?,18+,19+,20?/m0/s1 |
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| Synonyms | | Value | Source |
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| ent-Kaur-16-en-19-Oate | Generator | | Argyrophilic acid | MeSH | | Kaur-16-en-19-Oic acid | MeSH |
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| Chemical Formula | C20H30O2 |
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| Average Mass | 302.4580 Da |
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| Monoisotopic Mass | 302.22458 Da |
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| IUPAC Name | (5R,9S,13S)-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane-5-carboxylic acid |
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| Traditional Name | (5R,9S,13S)-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane-5-carboxylic acid |
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| CAS Registry Number | Not Available |
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| SMILES | C[C@@]12CCC[C@](C)(C1CCC13C[C@H](CCC21)C(=C)C3)C(O)=O |
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| InChI Identifier | InChI=1S/C20H30O2/c1-13-11-20-10-7-15-18(2,16(20)6-5-14(13)12-20)8-4-9-19(15,3)17(21)22/h14-16H,1,4-12H2,2-3H3,(H,21,22)/t14-,15?,16?,18+,19+,20?/m0/s1 |
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| InChI Key | NIKHGUQULKYIGE-ZTJPGZAWSA-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, 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 kaurane diterpenoids. These are diterpene alkaloids with a structure that is based on the kaurane skeleton. Kaurane is a tetracyclic compound that arises by cyclisation of a pimarane precursor followed by rearrangement. It possesses a [3,2,1]-bicyclic ring system with C15-C16 bridge connected to C13, forming the five-membered ring D. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Prenol lipids |
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| Sub Class | Diterpenoids |
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| Direct Parent | Kaurane diterpenoids |
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| Alternative Parents | |
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| Substituents | - Kaurane diterpenoid
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aliphatic homopolycyclic compound
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| Molecular Framework | Aliphatic homopolycyclic 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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