| Record Information |
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| Version | 2.0 |
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| Created at | 2022-09-08 06:39:32 UTC |
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| Updated at | 2022-09-08 06:39:32 UTC |
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| NP-MRD ID | NP0263469 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | ent-kaurane |
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| Description | Ent-kaurane 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. ent-kaurane is found in Aristolochia triangularis. ent-kaurane was first documented in 2022 (PMID: 35944737). Based on a literature review a small amount of articles have been published on ent-kaurane (PMID: 36050280) (PMID: 35957755) (PMID: 35948501) (PMID: 35929396). |
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| Structure | C[C@H]1C[C@]23C[C@H]1CC[C@H]2[C@]1(C)CCCC(C)(C)[C@H]1CC3 InChI=1S/C20H34/c1-14-12-20-11-8-16-18(2,3)9-5-10-19(16,4)17(20)7-6-15(14)13-20/h14-17H,5-13H2,1-4H3/t14-,15+,16+,17-,19+,20+/m0/s1 |
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| Synonyms | | Value | Source |
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| ent-Kaurene | MeSH | | ent Kaurane | MeSH | | ent Kaurene | MeSH | | ent-Kaurenes | MeSH | | Kaurane diterpenoid | MeSH | | Diterpenes, kaurane | MeSH | | Diterpenoid, kaurane | MeSH | | Kaurane diterpenoids | MeSH | | Diterpenoids, kaurane | MeSH | | ent-Kauranes | MeSH | | Kaurane | MeSH | | Kaurane diterpenes | MeSH | | Kauranes | MeSH |
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| Chemical Formula | C20H34 |
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| Average Mass | 274.4920 Da |
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| Monoisotopic Mass | 274.26605 Da |
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| IUPAC Name | (1R,4R,9R,10R,13R,14S)-5,5,9,14-tetramethyltetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane |
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| Traditional Name | (1R,4R,9R,10R,13R,14S)-5,5,9,14-tetramethyltetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane |
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| CAS Registry Number | Not Available |
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| SMILES | C[C@H]1C[C@]23C[C@H]1CC[C@H]2[C@]1(C)CCCC(C)(C)[C@H]1CC3 |
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| InChI Identifier | InChI=1S/C20H34/c1-14-12-20-11-8-16-18(2,3)9-5-10-19(16,4)17(20)7-6-15(14)13-20/h14-17H,5-13H2,1-4H3/t14-,15+,16+,17-,19+,20+/m0/s1 |
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| InChI Key | IVZWRQBQDVHDNG-KUIXFMFUSA-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
- Polycyclic hydrocarbon
- Saturated hydrocarbon
- Hydrocarbon
- Aliphatic homopolycyclic compound
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| Molecular Framework | Aliphatic homopolycyclic 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 | - Zhao H, Sun L, Kong C, Mei W, Dai H, Xu F, Huang S: Phytochemical and pharmacological review of diterpenoids from the genus Euphorbia Linn (2012-2021). J Ethnopharmacol. 2022 Nov 15;298:115574. doi: 10.1016/j.jep.2022.115574. Epub 2022 Aug 6. [PubMed:35944737 ]
- Wei WJ, Zhu B, Si Y, Guo T, Kang J, Dai L: Cytotoxic ent-Kaurane Diterpenoids from Rabdosia Rubescens. Chem Biodivers. 2022 Oct;19(10):e202200497. doi: 10.1002/cbdv.202200497. Epub 2022 Sep 23. [PubMed:36050280 ]
- Li FR, Lin X, Yang Q, Tan NH, Dong LB: Efficient production of clerodane and ent-kaurane diterpenes through truncated artificial pathways in Escherichia coli. Beilstein J Org Chem. 2022 Jul 21;18:881-888. doi: 10.3762/bjoc.18.89. eCollection 2022. [PubMed:35957755 ]
- Jin S, Zhao X, Ma D: Divergent Total Syntheses of Napelline-Type C20-Diterpenoid Alkaloids: (-)-Napelline, (+)-Dehydronapelline, (-)-Songorine, (-)-Songoramine, (-)-Acoapetaldine D, and (-)-Liangshanone. J Am Chem Soc. 2022 Aug 24;144(33):15355-15362. doi: 10.1021/jacs.2c06738. Epub 2022 Aug 10. [PubMed:35948501 ]
- van Breemen RB, Muchiri RN: Affinity selection-mass spectrometry in the discovery of anti-SARS-CoV-2 compounds. Mass Spectrom Rev. 2022 Aug 5:e21800. doi: 10.1002/mas.21800. [PubMed:35929396 ]
- LOTUS database [Link]
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