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 13:19:20 UTC |
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Update Date | 2021-09-26 23:07:56 UTC |
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HMDB ID | HMDB0254137 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | Inflatine |
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Description | lobeline, also known as smokeless or lobeline sulfate, 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. 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. 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. 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. It has been hypothesized that P-glycoprotein inhibition reduces chemotherapeutic resistance in cancer, presumably affecting any substrates of P-gp. 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. This compound has been identified in human blood as reported by (PMID: 31557052 ). Inflatine is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Inflatine 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. | Read more...
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Structure | CN1C(CC(O)C2=CC=CC=C2)CCCC1CC(=O)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 |
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Synonyms | Value | Source |
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Smokeless | MeSH | Lobeline sulfate | MeSH | Sulfate, lobeline | MeSH | Inibsa brand OF lobelin sulfate | MeSH |
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Chemical Formula | C22H27NO2 |
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Average Molecular Weight | 337.463 |
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Monoisotopic Molecular Weight | 337.204179113 |
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IUPAC Name | 2-[6-(2-hydroxy-2-phenylethyl)-1-methylpiperidin-2-yl]-1-phenylethan-1-one |
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Traditional Name | lobeline |
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CAS Registry Number | Not Available |
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SMILES | CN1C(CC(O)C2=CC=CC=C2)CCCC1CC(=O)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 |
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InChI Key | MXYUKLILVYORSK-UHFFFAOYSA-N |
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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
- Organopnictogen compound
- Aromatic alcohol
- Amine
- Organonitrogen compound
- Alcohol
- Organic nitrogen compound
- Organic oxide
- Hydrocarbon derivative
- Aromatic heteromonocyclic compound
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Molecular Framework | Aromatic heteromonocyclic compounds |
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External Descriptors | Not Available |
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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 | | Show more...
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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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Inflatine,1TMS,isomer #1 | CN1C(CC(=O)C2=CC=CC=C2)CCCC1CC(O[Si](C)(C)C)C1=CC=CC=C1 | 2684.3 | Semi standard non polar | 33892256 | Inflatine,1TMS,isomer #1 | CN1C(CC(=O)C2=CC=CC=C2)CCCC1CC(O[Si](C)(C)C)C1=CC=CC=C1 | 2666.5 | Standard non polar | 33892256 | Inflatine,1TMS,isomer #1 | CN1C(CC(=O)C2=CC=CC=C2)CCCC1CC(O[Si](C)(C)C)C1=CC=CC=C1 | 3453.5 | Standard polar | 33892256 | Inflatine,1TBDMS,isomer #1 | CN1C(CC(=O)C2=CC=CC=C2)CCCC1CC(O[Si](C)(C)C(C)(C)C)C1=CC=CC=C1 | 2891.6 | Semi standard non polar | 33892256 | Inflatine,1TBDMS,isomer #1 | CN1C(CC(=O)C2=CC=CC=C2)CCCC1CC(O[Si](C)(C)C(C)(C)C)C1=CC=CC=C1 | 2942.3 | Standard non polar | 33892256 | Inflatine,1TBDMS,isomer #1 | CN1C(CC(=O)C2=CC=CC=C2)CCCC1CC(O[Si](C)(C)C(C)(C)C)C1=CC=CC=C1 | 3542.4 | Standard polar | 33892256 |
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Spectra |
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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 - Inflatine GC-MS (Non-derivatized) - 70eV, Positive | splash10-0a4i-4940000000-148c0748633d7ad64c21 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Inflatine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Inflatine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Inflatine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | 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 - Inflatine 10V, Positive-QTOF | splash10-000i-0009000000-236260bc12143449d69e | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Inflatine 20V, Positive-QTOF | splash10-00ri-2269000000-f7b9c996cc9906806990 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Inflatine 40V, Positive-QTOF | splash10-01ot-8931000000-58733f4314e3ffdaf198 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Inflatine 10V, Negative-QTOF | splash10-000i-0009000000-531288296b3f3048e10e | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Inflatine 20V, Negative-QTOF | splash10-014i-2639000000-ba9701c97d2311c70d26 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Inflatine 40V, Negative-QTOF | splash10-00b9-6940000000-49e69a6a2a2d1716c3ff | 2021-10-12 | Wishart Lab | View Spectrum |
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Biological Properties |
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Cellular Locations | Not Available |
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Biospecimen Locations | |
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Tissue Locations | Not Available |
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Pathways | |
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Normal Concentrations |
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Blood | Detected but not Quantified | Not Quantified | Not Specified | Not Specified | Normal | | details |
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Abnormal Concentrations |
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| Not Available |
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Associated Disorders and Diseases |
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Disease References | None |
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Associated OMIM IDs | None |
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External Links |
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DrugBank ID | Not Available |
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Phenol Explorer Compound ID | Not Available |
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FooDB ID | Not Available |
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KNApSAcK ID | Not Available |
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Chemspider ID | Not Available |
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KEGG Compound ID | Not Available |
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BioCyc ID | Not Available |
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BiGG ID | Not Available |
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Wikipedia Link | Lobeline |
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METLIN ID | Not Available |
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PubChem Compound | 3945 |
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PDB ID | Not Available |
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ChEBI ID | Not Available |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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MarkerDB ID | Not Available |
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Good Scents ID | Not Available |
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References |
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Synthesis Reference | Not Available |
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Material Safety Data Sheet (MSDS) | Not Available |
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General References | - Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]
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