Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2021-09-11 07:40:22 UTC |
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Update Date | 2021-09-26 23:02:08 UTC |
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HMDB ID | HMDB0250581 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | Cucurbitacin E |
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Description | 6-{4,13-dihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-3,7-dien-14-yl}-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetate belongs to the class of organic compounds known as cucurbitacins. These are polycyclic compounds containing the tetracyclic cucurbitane nucleus skeleton, 19-(10->9b)-abeo-10alanost-5-ene (also known as 9b-methyl-19-nor lanosta-5-ene), with a variety of oxygenation functionalities at different positions. 6-{4,13-dihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-3,7-dien-14-yl}-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetate is an extremely weak basic (essentially neutral) compound (based on its pKa). This compound has been identified in human blood as reported by (PMID: 31557052 ). Cucurbitacin e is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Cucurbitacin E is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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Structure | CC(=O)OC(C)(C)C=CC(=O)C(C)(O)C1C(O)CC2(C)C3CC=C4C(C=C(O)C(=O)C4(C)C)C3(C)C(=O)CC12C InChI=1S/C32H44O8/c1-17(33)40-27(2,3)13-12-23(36)32(9,39)25-21(35)15-29(6)22-11-10-18-19(14-20(34)26(38)28(18,4)5)31(22,8)24(37)16-30(25,29)7/h10,12-14,19,21-22,25,34-35,39H,11,15-16H2,1-9H3 |
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Synonyms | Value | Source |
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6-{4,13-dihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0,.0,]heptadeca-3,7-dien-14-yl}-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetic acid | Generator | 6-{4,13-dihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-3,7-dien-14-yl}-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetic acid | Generator |
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Chemical Formula | C32H44O8 |
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Average Molecular Weight | 556.696 |
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Monoisotopic Molecular Weight | 556.303618377 |
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IUPAC Name | 6-{4,13-dihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-3,7-dien-14-yl}-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetate |
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Traditional Name | 6-{4,13-dihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-3,7-dien-14-yl}-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetate |
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CAS Registry Number | Not Available |
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SMILES | CC(=O)OC(C)(C)C=CC(=O)C(C)(O)C1C(O)CC2(C)C3CC=C4C(C=C(O)C(=O)C4(C)C)C3(C)C(=O)CC12C |
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InChI Identifier | InChI=1S/C32H44O8/c1-17(33)40-27(2,3)13-12-23(36)32(9,39)25-21(35)15-29(6)22-11-10-18-19(14-20(34)26(38)28(18,4)5)31(22,8)24(37)16-30(25,29)7/h10,12-14,19,21-22,25,34-35,39H,11,15-16H2,1-9H3 |
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InChI Key | NDYMQXYDSVBNLL-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as cucurbitacins. These are polycyclic compounds containing the tetracyclic cucurbitane nucleus skeleton, 19-(10->9b)-abeo-10alanost-5-ene (also known as 9b-methyl-19-nor lanosta-5-ene), with a variety of oxygenation functionalities at different positions. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Steroids and steroid derivatives |
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Sub Class | Cucurbitacins |
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Direct Parent | Cucurbitacins |
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Alternative Parents | |
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Substituents | - Triterpenoid
- Cucurbitacin skeleton
- 22-oxosteroid
- 21-oxosteroid
- 20-hydroxysteroid
- Steroid ester
- 3-oxo-delta-1-steroid
- 3-oxosteroid
- 2-hydroxysteroid
- 16-hydroxysteroid
- Hydroxysteroid
- Oxosteroid
- 11-oxosteroid
- Delta-1-steroid
- Cyclohexenone
- Acyloin
- Cyclic alcohol
- Alpha-hydroxy ketone
- Tertiary alcohol
- Alpha,beta-unsaturated ketone
- Acryloyl-group
- Enone
- Cyclic ketone
- Secondary alcohol
- Carboxylic acid ester
- Ketone
- Carboxylic acid derivative
- Monocarboxylic acid or derivatives
- Enol
- Hydrocarbon derivative
- Carbonyl group
- Organic oxide
- Alcohol
- Organooxygen compound
- Organic oxygen compound
- Aliphatic homopolycyclic compound
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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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Not Available | 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 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 - Cucurbitacin E GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_1_4) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_2_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_2_3) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_2_4) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_2_5) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_2_6) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_3_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_3_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_3_3) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TMS_3_4) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_1_4) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_2_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_2_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_2_3) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_2_4) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_2_5) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_2_6) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Cucurbitacin E GC-MS (TBDMS_3_1) - 70eV, Positive | Not Available | 2021-11-03 | 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 - Cucurbitacin E 10V, Positive-QTOF | splash10-002b-0200910000-7076afdb900c643d97e4 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cucurbitacin E 20V, Positive-QTOF | splash10-01ow-9501410000-14ae268bdebefb7c967c | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cucurbitacin E 40V, Positive-QTOF | splash10-014u-9502200000-7ddac577a25749488319 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cucurbitacin E 10V, Negative-QTOF | splash10-0002-0000910000-24fcec891a203b84b208 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cucurbitacin E 20V, Negative-QTOF | splash10-0a4i-9000000000-6ab32b6e22e13bb0aeef | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cucurbitacin E 40V, Negative-QTOF | splash10-052s-4001900000-eedb71eee10f2f113aae | 2021-10-12 | Wishart Lab | View Spectrum |
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