Record Information |
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Version | 2.0 |
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Created at | 2021-04-21 17:21:37 UTC |
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Updated at | 2021-07-26 15:24:10 UTC |
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NP-MRD ID | NP0023969 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | 3-Epikatonic acid |
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Provided By | JEOL Database |
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Description | 3-Epikatonic acid, also known as 3-epikatonate, belongs to the class of organic compounds known as pentacyclic triterpenoids. These are terpene molecules containing six isoprene units. In higher plants, the biosynthesis of terpenoids proceeds via two independent pathways localized indifferent cellular compartments. The mevalonate (MVA) pathway in the cytoplasm is responsible for the biosynthesis of sesquiterpenes and triterpenes such as 3-epikatonic acid. In the cytoplasm-localized MVA pathway, three molecules of acetyl-coenzyme A are used to produce MVA. Two ATP react with MVA to produce mevalonate diphosphate, followed by decarboxylation and dehydration with the involvement of a third molecule of ATP to give isopentenyl pyrophosphate(IPP). IPP is isomerized to the other isoprene unit, dimethylallyl pyrophosphate (DMAPP), byisopentenyl-diphosphate-D-isomerase (EC 5.3.3.2). IPP and DMAPP are active hemiterpeneintermediates (C5) in the pathways leading to more complicated terpenoids. DMAPP can produce the fundamental sesquiterpene precursor farnesyl diphosphate (FPP), with the successive addition of two further IPPs. Two molecules of FPP are joined tail-to-tail to yield theprecursor of triterpenes, squalene (C30), from which other triterpenes arise (PMID: 17250858 ).3-Epikatonic acid was first isolated from the plant Cyamopsis tetragonoloba, which is also known as guar or cluster bean (https://Doi.Org/10.1002/Mrc.1009). Cyamopsis tetragonoloba is anannual legume and the source of guar gum. Later it was isolated from Tripterygium wilfordii, Trypterygium hypolaucum and then Austroplenckia populnea. 3-Epikatonic acid has been shown to have antimalarial and anti-trypanosome activity (T. (S.) Cruzi) (PMID: 12048549 ). |
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Structure | [H]OC(=O)[C@]1(C([H])([H])[H])C([H])([H])C([H])([H])[C@]2(C([H])([H])[H])C([H])([H])C([H])([H])[C@@]3(C(=C([H])C([H])([H])[C@]4([H])[C@@]5(C([H])([H])[H])C([H])([H])C([H])([H])[C@]([H])(O[H])C(C([H])([H])[H])(C([H])([H])[H])[C@]5([H])C([H])([H])C([H])([H])[C@@]34C([H])([H])[H])[C@]2([H])C1([H])[H])C([H])([H])[H] InChI=1S/C30H48O3/c1-25(2)21-10-13-30(7)22(28(21,5)12-11-23(25)31)9-8-19-20-18-27(4,24(32)33)15-14-26(20,3)16-17-29(19,30)6/h8,20-23,31H,9-18H2,1-7H3,(H,32,33)/t20-,21-,22+,23-,26+,27+,28-,29+,30+/m0/s1 |
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Synonyms | Value | Source |
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3-Epikatonate | Generator | 3-Hydroxy-(3beta,20alpha)-olean-12-en-29-Oic acid | HMDB | Epikatonic acid | HMDB |
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Chemical Formula | C30H48O3 |
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Average Mass | 456.7003 Da |
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Monoisotopic Mass | 456.36035 Da |
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IUPAC Name | (2R,4aS,6aS,6bR,8aR,10S,12aR,12bR,14bR)-10-hydroxy-2,4a,6a,6b,9,9,12a-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-icosahydropicene-2-carboxylic acid |
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Traditional Name | 3-Epikatonic acid |
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CAS Registry Number | 76035-62-6 |
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SMILES | [H][C@@]12C[C@@](C)(CC[C@]1(C)CC[C@]1(C)C2=CC[C@]2([H])[C@@]3(C)CC[C@H](O)C(C)(C)[C@]3([H])CC[C@@]12C)C(O)=O |
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InChI Identifier | InChI=1S/C30H48O3/c1-25(2)21-10-13-30(7)22(28(21,5)12-11-23(25)31)9-8-19-20-18-27(4,24(32)33)15-14-26(20,3)16-17-29(19,30)6/h8,20-23,31H,9-18H2,1-7H3,(H,32,33)/t20-,21-,22+,23-,26+,27+,28-,29+,30+/m0/s1 |
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InChI Key | JZFSMVXQUWRSIW-FWXFQHTDSA-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, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 100 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 200 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 300 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 500 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 600 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 700 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 800 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 900 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, CDCl3 + pyridine-d5, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
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Predicted Spectra |
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| Not Available |
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Chemical Shift Submissions |
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| Not Available |
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Species |
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Species of Origin | Species Name | Source | Reference |
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Austroplenckia populnea | JEOL database | - Silva, G. D. F., et al, Magn. Reson. Chem. 40, 366 (2002)
| Cornulaca monacantha | LOTUS Database | | Cyamopsis tetragonoloba | JEOL database | - Silva, G. D. F., et al, Magn. Reson. Chem. 40, 366 (2002)
| Glycyrrhiza glabra | Plant | | Mukdenia rossii | LOTUS Database | | Plenckia populnea | LOTUS Database | | Sandoricum indicum | KNApSAcK Database | | Sandoricum koetjape | Plant | | Spermacoce articularis | LOTUS Database | | Tripterygium doianum | KNApSAcK Database | | Tripterygium hypoglaucum | KNApSAcK Database | | Tripterygium wilfordii | JEOL database | - Silva, G. D. F., et al, Magn. Reson. Chem. 40, 366 (2002)
| Tripterygium wilfordii Hook f. | KNApSAcK Database | |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as triterpenoids. These are terpene molecules containing six isoprene units. |
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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 | Triterpenoids |
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Direct Parent | Triterpenoids |
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Alternative Parents | Not Available |
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Substituents | Not Available |
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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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