Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2012-09-11 21:25:52 UTC |
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Update Date | 2022-03-07 02:54:51 UTC |
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HMDB ID | HMDB0036302 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | ent-16beta-Methoxy-19-kauranoic acid |
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Description | ent-16beta-Methoxy-19-kauranoic 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. ent-16beta-Methoxy-19-kauranoic acid is an extremely weak basic (essentially neutral) compound (based on its pKa). |
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Structure | COC1(C)CC23CC1CCC2C1(C)CCCC(C)(C1CC3)C(O)=O InChI=1S/C21H34O3/c1-18-9-5-10-19(2,17(22)23)15(18)8-11-21-12-14(6-7-16(18)21)20(3,13-21)24-4/h14-16H,5-13H2,1-4H3,(H,22,23) |
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Synonyms | Value | Source |
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ent-16b-Methoxy-19-kauranoate | Generator | ent-16b-Methoxy-19-kauranoic acid | Generator | ent-16beta-Methoxy-19-kauranoate | Generator | ent-16Β-methoxy-19-kauranoate | Generator | ent-16Β-methoxy-19-kauranoic acid | Generator | 14-Methoxy-5,9,14-trimethyltetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylate | Generator |
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Chemical Formula | C21H34O3 |
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Average Molecular Weight | 334.4929 |
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Monoisotopic Molecular Weight | 334.250794954 |
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IUPAC Name | 14-methoxy-5,9,14-trimethyltetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylic acid |
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Traditional Name | 14-methoxy-5,9,14-trimethyltetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylic acid |
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CAS Registry Number | 38308-35-9 |
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SMILES | COC1(C)CC23CC1CCC2C1(C)CCCC(C)(C1CC3)C(O)=O |
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InChI Identifier | InChI=1S/C21H34O3/c1-18-9-5-10-19(2,17(22)23)15(18)8-11-21-12-14(6-7-16(18)21)20(3,13-21)24-4/h14-16H,5-13H2,1-4H3,(H,22,23) |
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InChI Key | VYVVNCBNYVCVGC-UHFFFAOYSA-N |
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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 | 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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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | |
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Role | |
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Physical Properties |
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State | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | 216 - 219 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedDerivatized |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-014i-0297000000-992365338b784c4720d1 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid GC-MS (1 TMS) - 70eV, Positive | splash10-002f-3159000000-6bf8b22480651f8f46b2 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 10V, Positive-QTOF | splash10-00kr-0039000000-631f763996e81fea1434 | 2015-04-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 20V, Positive-QTOF | splash10-00kr-0296000000-52224afc9cb6e3601199 | 2015-04-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 40V, Positive-QTOF | splash10-05te-3590000000-96d2c31d90225c492678 | 2015-04-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 10V, Negative-QTOF | splash10-001i-0039000000-72c0309f569d76e9a29f | 2015-04-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 20V, Negative-QTOF | splash10-05ar-0096000000-ee72b1c3af7ebdbf5c8b | 2015-04-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 40V, Negative-QTOF | splash10-00di-1093000000-5ea3972da5af2fabfd6e | 2015-04-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 10V, Positive-QTOF | splash10-000i-0098000000-a30395c91d6cfb884d1e | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 20V, Positive-QTOF | splash10-0a4i-0983000000-12d7e450c56c1036656c | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 40V, Positive-QTOF | splash10-00dr-2911000000-5e7c9310f69fc741d2f1 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 10V, Negative-QTOF | splash10-001i-0009000000-3b9bbceb7e7c6cb37f9a | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 20V, Negative-QTOF | splash10-001i-0009000000-5ea8e2a27c8361111da4 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - ent-16beta-Methoxy-19-kauranoic acid 40V, Negative-QTOF | splash10-003r-1079000000-0a5d1239008947ad0c95 | 2021-09-24 | Wishart Lab | View Spectrum |
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General References | - Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
- Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
- Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
- Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
- (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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