| Record Information |
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| Version | 2.0 |
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| Created at | 2022-09-07 06:46:16 UTC |
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| Updated at | 2022-09-07 06:46:16 UTC |
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| NP-MRD ID | NP0245621 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | 4-epi-kaurenic acid |
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| Description | 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. 4-epi-kaurenic acid is found in Sphagneticola trilobata. 4-epi-kaurenic acid was first documented in 2021 (PMID: 34263530). Based on a literature review a small amount of articles have been published on Kaur-16-en-19-oic acid (PMID: 34510371) (PMID: 34063939) (PMID: 33705895) (PMID: 33645029). |
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| Structure | C[C@@]12CCC[C@@](C)([C@H]1CC[C@@]13CC(CC[C@@H]21)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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| Kaur-16-en-19-Oate | Generator | | Argyrophilic acid | MeSH | | ent-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 | Not Available |
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| Traditional Name | Not Available |
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| CAS Registry Number | Not Available |
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| SMILES | C[C@@]12CCC[C@@](C)([C@H]1CC[C@@]13CC(CC[C@@H]21)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-LFVVLLIQSA-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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| General References | - Silva ML, Costa-Silva TA, Antar GM, Tempone AG, Lago JHG: Chemical Constituents from Aerial Parts of Baccharis sphenophylla and Effects against Intracellular Forms of Trypanosoma cruzi. Chem Biodivers. 2021 Oct;18(10):e2100466. doi: 10.1002/cbdv.202100466. Epub 2021 Aug 4. [PubMed:34263530 ]
- Maeda M, Suzuki M, Fuchino H, Tanaka N, Kobayashi T, Isogai R, Batubara I, Iswantini D, Matsuno M, Kawahara N, Koketsu M, Hamamoto A, Takemori H: Diversity of Adenostemma lavenia, multi-potential herbs, and its kaurenoic acid composition between Japan and Taiwan. J Nat Med. 2022 Jan;76(1):132-143. doi: 10.1007/s11418-021-01565-3. Epub 2021 Sep 12. [PubMed:34510371 ]
- Herrera-Acevedo C, Flores-Gaspar A, Scotti L, Mendonca-Junior FJB, Scotti MT, Coy-Barrera E: Identification of Kaurane-Type Diterpenes as Inhibitors of Leishmania Pteridine Reductase I. Molecules. 2021 May 21;26(11):3076. doi: 10.3390/molecules26113076. [PubMed:34063939 ]
- Xu J, Wang Z, Sun L, Wang Y, Wang Y, He X: (3alpha)-3-(tiglinoyloxy)-ent-kaur-16-en-19-oic acid, isolated from Wedelia trilobata L., exerts an anti-inflammatory effect via the modulation of NF-kappaB, MAPK and mTOR pathway and autophagy in LPS-stimulated macrophages. Toxicol In Vitro. 2021 Jun;73:105139. doi: 10.1016/j.tiv.2021.105139. Epub 2021 Mar 9. [PubMed:33705895 ]
- Liu QY, Yang HF, Feng S, Hu Y: [Study on chemical constituents of Wedelia trilobata]. Zhongguo Zhong Yao Za Zhi. 2021 Feb;46(3):630-634. doi: 10.19540/j.cnki.cjcmm.20200628.203. [PubMed:33645029 ]
- LOTUS database [Link]
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