Record Information |
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Version | 2.0 |
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Created at | 2022-09-05 21:50:39 UTC |
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Updated at | 2022-09-05 21:50:39 UTC |
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NP-MRD ID | NP0220511 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | 2-[(2s,6r)-6-[(2r)-2-hydroxy-2-phenylethyl]-1-methylpiperidin-2-yl]-1-phenylethanone |
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Description | Lobeline, also known as lobeline sulfate or sulfate, lobeline, belongs to the class of organic compounds known as alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group. It also inhibits the reuptake of dopamine and serotonin, and acts as a mixed agonist–antagonist at nicotinic acetylcholine receptors to which it binds at the subunit interfaces of the extracellular domain. Analogous compounds, such as lobelane (a minor alkaloid found in the same plants) and its synthetic derivatives have similar biological effects with somewhat different relative affinities to VMAT and other proteins. Lobeline is a pyridine alkaloid found in a variety of plants, particularly those in the genus Lobelia, including Indian tobacco (Lobelia inflata), Devil's tobacco (Lobelia tupa), cardinal flower (Lobelia cardinalis), great lobelia (Lobelia siphilitica), Lobelia chinensis, and Hippobroma longiflora. Lobeline is a very strong basic compound (based on its pKa). Lobeline has a narrow therapeutic index; the potentially beneficial dose of lobeline is very close to the toxic dose. In its pure form, it is a white amorphous powder which is freely soluble in water. It seems to be a P-glycoprotein inhibitor, according to at least one study. Ingestion of lobeline may cause nausea, vomiting, diarrhea, coughing, dizziness, visual disturbances, hearing disturbances, mental confusion, weakness, slowed heart rate, increased blood pressure, increased breathing rate, tremors, and seizures. 2-[(2s,6r)-6-[(2r)-2-hydroxy-2-phenylethyl]-1-methylpiperidin-2-yl]-1-phenylethanone is found in Hippobroma longiflora and Lobelia inflata. It has been hypothesized that P-glycoprotein inhibition reduces chemotherapeutic resistance in cancer, presumably affecting any substrates of P-gp. |
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Structure | [H][C@@](O)(C[C@@]1([H])CCC[C@@]([H])(CC(=O)C2=CC=CC=C2)N1C)C1=CC=CC=C1 InChI=1S/C22H27NO2/c1-23-19(15-21(24)17-9-4-2-5-10-17)13-8-14-20(23)16-22(25)18-11-6-3-7-12-18/h2-7,9-12,19-21,24H,8,13-16H2,1H3/t19-,20+,21-/m1/s1 |
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Synonyms | Value | Source |
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Lobeline sulfate | MeSH | Sulfate, lobeline | MeSH | Smokeless | MeSH | Inibsa brand OF lobelin sulfate | MeSH |
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Chemical Formula | C22H27NO2 |
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Average Mass | 337.4553 Da |
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Monoisotopic Mass | 337.20418 Da |
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IUPAC Name | 2-[(2S,6R)-6-[(2R)-2-hydroxy-2-phenylethyl]-1-methylpiperidin-2-yl]-1-phenylethan-1-one |
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Traditional Name | 2-[(2S,6R)-6-[(2R)-2-hydroxy-2-phenylethyl]-1-methylpiperidin-2-yl]-1-phenylethanone |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](O)(C[C@@]1([H])CCC[C@@]([H])(CC(=O)C2=CC=CC=C2)N1C)C1=CC=CC=C1 |
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InChI Identifier | InChI=1S/C22H27NO2/c1-23-19(15-21(24)17-9-4-2-5-10-17)13-8-14-20(23)16-22(25)18-11-6-3-7-12-18/h2-7,9-12,19-21,24H,8,13-16H2,1H3/t19-,20+,21-/m1/s1 |
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InChI Key | MXYUKLILVYORSK-QHAWAJNXSA-N |
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Experimental Spectra |
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| Not Available | Predicted Spectra |
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| Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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1D NMR | 13C NMR Spectrum (1D, 25 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| 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 alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group. |
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Kingdom | Organic compounds |
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Super Class | Organic oxygen compounds |
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Class | Organooxygen compounds |
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Sub Class | Carbonyl compounds |
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Direct Parent | Alkyl-phenylketones |
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Alternative Parents | |
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Substituents | - Alkyl-phenylketone
- Benzoyl
- Aryl alkyl ketone
- Aralkylamine
- Monocyclic benzene moiety
- Beta-aminoketone
- Piperidine
- Benzenoid
- 1,3-aminoalcohol
- Tertiary aliphatic amine
- Tertiary amine
- Secondary alcohol
- Organoheterocyclic compound
- Azacycle
- Aromatic alcohol
- Amine
- Organonitrogen compound
- Alcohol
- Organic nitrogen compound
- Hydrocarbon derivative
- Organic oxide
- Aromatic heteromonocyclic compound
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Molecular Framework | Aromatic heteromonocyclic 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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