| Record Information |
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| Version | 2.0 |
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| Created at | 2022-03-17 20:50:13 UTC |
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| Updated at | 2022-03-17 20:50:13 UTC |
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| NP-MRD ID | NP0048046 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Cucurbitacin C |
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| Description | Cucurbitacin C 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. Cucurbitacin C is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, Cucurbitacin C has been detected, but not quantified in, cucumbers and fruits. Cucurbitacin C is found in Bryonia alba , Citrullus colocynthis , Cucumis sativus and Cucurbita foetidissima. This could make cucurbitacin C a potential biomarker for the consumption of these foods. |
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| Structure | CC(=O)OC(C)(C)\C=C\C(=O)C(C)(O)C1C(O)CC2(C)C3CC=C4C(CCC(O)C4(C)C)C3(CO)C(=O)CC12C InChI=1S/C32H48O8/c1-18(34)40-27(2,3)14-13-24(37)31(8,39)26-21(35)15-29(6)22-11-9-19-20(10-12-23(36)28(19,4)5)32(22,17-33)25(38)16-30(26,29)7/h9,13-14,20-23,26,33,35-36,39H,10-12,15-17H2,1-8H3/b14-13+ |
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| Synonyms | | Value | Source |
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| Cucurbitacine (c) | HMDB | | (3E)-6-[5,13-Dihydroxy-1-(hydroxymethyl)-6,6,11,15-tetramethyl-17-oxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-7-en-14-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetic acid | Generator | | Cucurbitacin C | MeSH |
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| Chemical Formula | C32H48O8 |
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| Average Mass | 560.7187 Da |
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| Monoisotopic Mass | 560.33492 Da |
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| IUPAC Name | (3E)-6-[5,13-dihydroxy-1-(hydroxymethyl)-6,6,11,15-tetramethyl-17-oxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-7-en-14-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetate |
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| Traditional Name | cucurbitacin C |
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| CAS Registry Number | 5988-76-1 |
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| SMILES | CC(=O)OC(C)(C)\C=C\C(=O)C(C)(O)C1C(O)CC2(C)C3CC=C4C(CCC(O)C4(C)C)C3(CO)C(=O)CC12C |
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| InChI Identifier | InChI=1S/C32H48O8/c1-18(34)40-27(2,3)14-13-24(37)31(8,39)26-21(35)15-29(6)22-11-9-19-20(10-12-23(36)28(19,4)5)32(22,17-33)25(38)16-30(26,29)7/h9,13-14,20-23,26,33,35-36,39H,10-12,15-17H2,1-8H3/b14-13+ |
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| InChI Key | DGIGXLXLGBAJJN-BUHFOSPRSA-N |
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| Experimental Spectra |
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| Not Available | | Predicted Spectra |
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| Not Available | | 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 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 | - Cucurbitacin skeleton
- Triterpenoid
- 22-oxosteroid
- 21-oxosteroid
- 20-hydroxysteroid
- Steroid ester
- 3-hydroxy-delta-5-steroid
- Hydroxysteroid
- 3-hydroxysteroid
- 11-oxosteroid
- Oxosteroid
- 16-hydroxysteroid
- Delta-5-steroid
- Acyloin
- Acryloyl-group
- Alpha,beta-unsaturated ketone
- Cyclic alcohol
- Alpha-hydroxy ketone
- Enone
- Tertiary alcohol
- Secondary alcohol
- Carboxylic acid ester
- Ketone
- Carboxylic acid derivative
- Monocarboxylic acid or derivatives
- Organic oxide
- Carbonyl group
- Primary alcohol
- Alcohol
- Organic oxygen compound
- Organooxygen compound
- Hydrocarbon derivative
- Aliphatic homopolycyclic compound
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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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