Record Information |
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Version | 2.0 |
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Created at | 2021-06-19 18:36:44 UTC |
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Updated at | 2021-08-20 00:00:10 UTC |
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NP-MRD ID | NP0026813 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | Cucurbitacin B |
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Provided By | JEOL Database |
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Description | Cucurbitacin B is found in Acanthosicyos horridus, Begonia heracleifolia, Begonia nantoensis, Begonia parviflora, Begonia plebeja, Bolbostemma paniculatum, Bryonia cretica, Bryonia verrucosa, Chrysosplenium flagelliferum, Citrullus colocynthis , Cogniauxia podolaena, Cucumis prophetarum, Cucumis sativus, Cucurbita foetidissima, Cucurbita maxima, Cucurbita pepo, Datisca glomerata, Ecballium elaterium, Hemsleya endecaphylla, Iberis umbellata, Ipomopsis aggregata, Luffa operculata, Marah fabacea, Morierina montana, Picrorhiza kurrooa, Trichosanthes hupehensis, Trichosanthes kirilowii, Trichosanthes multiloba, Trichosanthes tricuspidata and Wilbrandia ebracteata. Cucurbitacin B was first documented in 2008 (PMID: 18309509). Based on a literature review a small amount of articles have been published on Cucurbitacin b (PMID: 18442812) (PMID: 18561312) (PMID: 19700240) (PMID: 20153103). |
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Structure | [H]O[C@]1([H])C([H])([H])[C@@]2(C([H])([H])[H])[C@]3([H])C([H])([H])C([H])=C4[C@@]([H])(C([H])([H])[C@]([H])(O[H])C(=O)C4(C([H])([H])[H])C([H])([H])[H])[C@@]3(C(=O)C([H])([H])[C@]2(C([H])([H])[H])[C@@]1([H])[C@@](O[H])(C(=O)C(\[H])=C(/[H])C(OC(=O)C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] InChI=1S/C32H46O8/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/h10,12-13,19-22,25,34-35,39H,11,14-16H2,1-9H3/b13-12+/t19-,20+,21-,22+,25+,29+,30-,31+,32+/m1/s1 |
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Synonyms | Value | Source |
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1,2-Dihydro-alpha-elaterin | ChEBI | 2beta,16alpha,20,25-Tetrahydroxy-9-methyl-19-nor-9beta,10alpha-lanosta-5,23-diene-3,11,22-trione, 25-acetate | ChEBI | 2beta,16alpha,20,25-Tetrahydroxy-9-methyl-3,11,22-trioxo-19-nor-9beta,10alpha-lanosta-5,23-dien-25-yl acetate | ChEBI | 1,2-Dihydro-a-elaterin | Generator | 1,2-Dihydro-α-elaterin | Generator | 2b,16a,20,25-Tetrahydroxy-9-methyl-19-nor-9b,10a-lanosta-5,23-diene-3,11,22-trione, 25-acetate | Generator | 2b,16a,20,25-Tetrahydroxy-9-methyl-19-nor-9b,10a-lanosta-5,23-diene-3,11,22-trione, 25-acetic acid | Generator | 2beta,16alpha,20,25-Tetrahydroxy-9-methyl-19-nor-9beta,10alpha-lanosta-5,23-diene-3,11,22-trione, 25-acetic acid | Generator | 2Β,16α,20,25-tetrahydroxy-9-methyl-19-nor-9β,10α-lanosta-5,23-diene-3,11,22-trione, 25-acetate | Generator | 2Β,16α,20,25-tetrahydroxy-9-methyl-19-nor-9β,10α-lanosta-5,23-diene-3,11,22-trione, 25-acetic acid | Generator | 2b,16a,20,25-Tetrahydroxy-9-methyl-3,11,22-trioxo-19-nor-9b,10a-lanosta-5,23-dien-25-yl acetate | Generator | 2b,16a,20,25-Tetrahydroxy-9-methyl-3,11,22-trioxo-19-nor-9b,10a-lanosta-5,23-dien-25-yl acetic acid | Generator | 2beta,16alpha,20,25-Tetrahydroxy-9-methyl-3,11,22-trioxo-19-nor-9beta,10alpha-lanosta-5,23-dien-25-yl acetic acid | Generator | 2Β,16α,20,25-tetrahydroxy-9-methyl-3,11,22-trioxo-19-nor-9β,10α-lanosta-5,23-dien-25-yl acetate | Generator | 2Β,16α,20,25-tetrahydroxy-9-methyl-3,11,22-trioxo-19-nor-9β,10α-lanosta-5,23-dien-25-yl acetic acid | Generator | Cucurbitacin b 2-sulfate | MeSH |
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Chemical Formula | C32H46O8 |
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Average Mass | 558.7120 Da |
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Monoisotopic Mass | 558.31927 Da |
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IUPAC Name | (3E,6R)-6-[(1R,2R,4S,10S,11S,13R,14R,15R)-4,13-dihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-14-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl acetate |
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Traditional Name | (3E,6R)-6-[(1R,2R,4S,10S,11S,13R,14R,15R)-4,13-dihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-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 | [H]O[C@]1([H])C([H])([H])[C@@]2(C([H])([H])[H])[C@]3([H])C([H])([H])C([H])=C4[C@@]([H])(C([H])([H])[C@]([H])(O[H])C(=O)C4(C([H])([H])[H])C([H])([H])[H])[C@@]3(C(=O)C([H])([H])[C@]2(C([H])([H])[H])[C@@]1([H])[C@@](O[H])(C(=O)C(\[H])=C(/[H])C(OC(=O)C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] |
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InChI Identifier | InChI=1S/C32H46O8/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/h10,12-13,19-22,25,34-35,39H,11,14-16H2,1-9H3/b13-12+/t19-,20+,21-,22+,25+,29+,30-,31+,32+/m1/s1 |
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InChI Key | IXQKXEUSCPEQRD-DKRGWESNSA-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, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 100 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 200 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 300 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 500 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 600 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 700 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 800 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 900 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, acetone-d6, simulated) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| 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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Classification | Not classified |
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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 | 0.38 mg/L @ 25 °C (est) | The Good Scents Company Information System | LogP | Not Available | Not Available |
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Predicted Properties | |
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