Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2021-09-23 03:07:11 UTC |
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Update Date | 2021-09-23 03:07:11 UTC |
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HMDB ID | HMDB0301859 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | Oryzalexin A |
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Description | Oryzalexin a, also known as 3a,7-oxo-ent-sandaracopimaradiene, is a member of the class of compounds known as diterpenoids. Diterpenoids are terpene compounds formed by four isoprene units. Oryzalexin a is practically insoluble (in water) and an extremely weak acidic compound (based on its pKa). Oryzalexin a can be found in rice, which makes oryzalexin a a potential biomarker for the consumption of this food product. |
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Structure | CC1(C)[C@H](O)CC[C@@]2(C)[C@@H]3CC[C@@](C)(C=C)C=C3C(=O)C[C@H]12 InChI=1S/C20H30O2/c1-6-19(4)9-7-14-13(12-19)15(21)11-16-18(2,3)17(22)8-10-20(14,16)5/h6,12,14,16-17,22H,1,7-11H2,2-5H3/t14-,16-,17-,19-,20+/m1/s1 |
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Synonyms | Value | Source |
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3alpha,7-oxo-ent-Sandaracopimaradiene | ChEBI | 3alpha-ent-Sandaracopimaradien-7-one | ChEBI | 3a,7-oxo-ent-Sandaracopimaradiene | Generator | 3Α,7-oxo-ent-sandaracopimaradiene | Generator | 3a-ent-Sandaracopimaradien-7-one | Generator | 3Α-ent-sandaracopimaradien-7-one | Generator |
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Chemical Formula | C20H30O2 |
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Average Molecular Weight | 302.451 |
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Monoisotopic Molecular Weight | 302.224580204 |
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IUPAC Name | (2R,4aR,4bS,7S,10aS)-7-ethenyl-2-hydroxy-1,1,4a,7-tetramethyl-1,2,3,4,4a,4b,5,6,7,9,10,10a-dodecahydrophenanthren-9-one |
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Traditional Name | oryzalexin A |
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CAS Registry Number | Not Available |
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SMILES | CC1(C)[C@H](O)CC[C@@]2(C)[C@@H]3CC[C@@](C)(C=C)C=C3C(=O)C[C@H]12 |
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InChI Identifier | InChI=1S/C20H30O2/c1-6-19(4)9-7-14-13(12-19)15(21)11-16-18(2,3)17(22)8-10-20(14,16)5/h6,12,14,16-17,22H,1,7-11H2,2-5H3/t14-,16-,17-,19-,20+/m1/s1 |
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InChI Key | QOWLIQGNZBOQNG-JECYIRHJSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as diterpenoids. These are terpene compounds formed by four 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 | Diterpenoids |
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Direct Parent | Diterpenoids |
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Alternative Parents | |
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Substituents | - Pimarane diterpenoid
- Diterpenoid
- Phenanthrene
- Hydrophenanthrene
- Cyclic alcohol
- Secondary alcohol
- Ketone
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Alcohol
- Aliphatic homopolycyclic compound
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Molecular Framework | Aliphatic homopolycyclic compounds |
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External Descriptors | |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Not Available |
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Role | Not Available |
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Physical Properties |
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State | Not Available |
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Experimental Molecular 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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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 IndicesDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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Oryzalexin A,2TMS,isomer #1 | C=C[C@@]1(C)C=C2C(O[Si](C)(C)C)=C[C@@H]3C(C)(C)[C@H](O[Si](C)(C)C)CC[C@@]3(C)[C@@H]2CC1 | 2416.5 | Semi standard non polar | 33892256 | Oryzalexin A,2TMS,isomer #1 | C=C[C@@]1(C)C=C2C(O[Si](C)(C)C)=C[C@@H]3C(C)(C)[C@H](O[Si](C)(C)C)CC[C@@]3(C)[C@@H]2CC1 | 2350.7 | Standard non polar | 33892256 | Oryzalexin A,2TMS,isomer #1 | C=C[C@@]1(C)C=C2C(O[Si](C)(C)C)=C[C@@H]3C(C)(C)[C@H](O[Si](C)(C)C)CC[C@@]3(C)[C@@H]2CC1 | 2816.8 | Standard polar | 33892256 | Oryzalexin A,2TBDMS,isomer #1 | C=C[C@@]1(C)C=C2C(O[Si](C)(C)C(C)(C)C)=C[C@@H]3C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC[C@@]3(C)[C@@H]2CC1 | 2867.6 | Semi standard non polar | 33892256 | Oryzalexin A,2TBDMS,isomer #1 | C=C[C@@]1(C)C=C2C(O[Si](C)(C)C(C)(C)C)=C[C@@H]3C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC[C@@]3(C)[C@@H]2CC1 | 2728.4 | Standard non polar | 33892256 | Oryzalexin A,2TBDMS,isomer #1 | C=C[C@@]1(C)C=C2C(O[Si](C)(C)C(C)(C)C)=C[C@@H]3C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC[C@@]3(C)[C@@H]2CC1 | 3052.7 | Standard polar | 33892256 |
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| MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 10V, Positive-QTOF | splash10-0f79-1094000000-fd40020e57de89576e5d | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 20V, Positive-QTOF | splash10-0fri-4191000000-990746a32b9980336c02 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 40V, Positive-QTOF | splash10-0udi-9160000000-23e79adbcc5af2ce41f7 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 10V, Negative-QTOF | splash10-0udi-0029000000-6212b0a28988a457bda0 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 20V, Negative-QTOF | splash10-0udi-0069000000-ca99ce34f88391d19b6f | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 40V, Negative-QTOF | splash10-0fy9-2190000000-0989484e4aa7a7162768 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 10V, Positive-QTOF | splash10-0udi-0059000000-4d291718f3028fe8774d | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 20V, Positive-QTOF | splash10-0uki-2592000000-2d43830b0ad5a09ad9e7 | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 40V, Positive-QTOF | splash10-007c-5910000000-03814e6614c6b1064b21 | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 10V, Negative-QTOF | splash10-0udi-0009000000-16d58525184e918518fa | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 20V, Negative-QTOF | splash10-0udi-0019000000-1eeabfa4697915e0ec72 | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Oryzalexin A 40V, Negative-QTOF | splash10-0udi-0095000000-8c2a0d2ae2d5b9c945d2 | 2021-10-21 | Wishart Lab | View Spectrum |
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