Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2012-09-06 15:16:52 UTC |
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Update Date | 2022-03-07 02:52:00 UTC |
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HMDB ID | HMDB0015513 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Fludiazepam |
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Description | Fludiazepam, also known as erispan, belongs to the class of organic compounds known as 1,4-benzodiazepines. These are organic compounds containing a benzene ring fused to a 1,4-azepine. Fludiazepam is a drug which is used for the short-term treatment of anxiety disorders. Fludiazepam is a moderately basic compound (based on its pKa). It exerts its pharmacological properties via enhancement of GABAergic inhibition. Fludiazepam is a potentially toxic compound. It is marketed in Japan and Taiwan. Fludiazepam has been used recreationally. Fludiazepam, marketed under the brand name Erispan (エリスパン) is a potent benzodiazepine and 2ʹ-fluoro derivative of diazepam, originally developed by Hoffman-La Roche in the 1960s. Fludiazepam has 4 times more binding affinity for benzodiazepine receptors than diazepam. It possesses anxiolytic, anticonvulsant, sedative, hypnotic and skeletal muscle relaxant properties. |
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Structure | CN1C2=C(C=C(Cl)C=C2)C(=NCC1=O)C1=CC=CC=C1F InChI=1S/C16H12ClFN2O/c1-20-14-7-6-10(17)8-12(14)16(19-9-15(20)21)11-4-2-3-5-13(11)18/h2-8H,9H2,1H3 |
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Synonyms | Value | Source |
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7-Chloro-5-(O-fluorophenyl)-1,3-dihydro-1-methyl-2H-1,4-benzodiazepin-2-one | ChEBI | Erispan | ChEBI | Fludiazepan | HMDB | 1-Methyl-5-(2-fluorophenyl)-7-chloro-1,3-dihydro-2H-(1,4)benzodiazepin-2-one | HMDB |
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Chemical Formula | C16H12ClFN2O |
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Average Molecular Weight | 302.731 |
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Monoisotopic Molecular Weight | 302.062218928 |
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IUPAC Name | 7-chloro-5-(2-fluorophenyl)-1-methyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one |
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Traditional Name | fludiazepam |
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CAS Registry Number | 3900-31-0 |
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SMILES | CN1C2=C(C=C(Cl)C=C2)C(=NCC1=O)C1=CC=CC=C1F |
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InChI Identifier | InChI=1S/C16H12ClFN2O/c1-20-14-7-6-10(17)8-12(14)16(19-9-15(20)21)11-4-2-3-5-13(11)18/h2-8H,9H2,1H3 |
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InChI Key | ROYOYTLGDLIGBX-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as 1,4-benzodiazepines. These are organic compounds containing a benzene ring fused to a 1,4-azepine. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Benzodiazepines |
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Sub Class | 1,4-benzodiazepines |
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Direct Parent | 1,4-benzodiazepines |
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Alternative Parents | |
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Substituents | - 1,4-benzodiazepine
- Alpha-amino acid or derivatives
- Fluorobenzene
- Halobenzene
- Aryl chloride
- Aryl fluoride
- Aryl halide
- Monocyclic benzene moiety
- Benzenoid
- Tertiary carboxylic acid amide
- Carboxamide group
- Ketimine
- Lactam
- Azacycle
- Carboxylic acid derivative
- Organic 1,3-dipolar compound
- Propargyl-type 1,3-dipolar organic compound
- Organooxygen compound
- Imine
- Organopnictogen compound
- Organic oxygen compound
- Organic nitrogen compound
- Carbonyl group
- Hydrocarbon derivative
- Organic oxide
- Organonitrogen compound
- Organohalogen compound
- Organochloride
- Organofluoride
- Aromatic heteropolycyclic compound
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Molecular Framework | Aromatic heteropolycyclic compounds |
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External Descriptors | |
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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 | |
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Physical Properties |
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State | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | 295 - 297 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | 0.014 g/L | Not Available | LogP | 2.75 | HANSCH,C ET AL. (1995) |
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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 IndicesUnderivatized |
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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 - Fludiazepam GC-MS (Non-derivatized) - 70eV, Positive | splash10-00rb-1290000000-db34d4ae17fe6cf3b0ce | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Fludiazepam GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | MS | Mass Spectrum (Electron Ionization) | splash10-0uk9-2794000000-6f1a3e2e0783b2069f2f | 2014-09-20 | Not Available | 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 - Fludiazepam 10V, Positive-QTOF | splash10-0udi-0009000000-b2b78d93d910447bac75 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 20V, Positive-QTOF | splash10-0udi-0009000000-a3a8b605f4519d7b3f3e | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 40V, Positive-QTOF | splash10-0006-3790000000-fdbf33d4f6fc63137032 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 10V, Negative-QTOF | splash10-0udi-0009000000-d02f66b89dd2bd046268 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 20V, Negative-QTOF | splash10-0udi-0019000000-192b14d7bf485cfa6ad1 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 40V, Negative-QTOF | splash10-0fri-4090000000-384ca37be75332aae71e | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 10V, Positive-QTOF | splash10-0udi-0009000000-c01193f4b7d1e5f3a22b | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 20V, Positive-QTOF | splash10-0udi-0029000000-f4108b88eded0bee1211 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 40V, Positive-QTOF | splash10-052r-0691000000-5f13769812ae66b4fb7a | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 10V, Negative-QTOF | splash10-0udi-0009000000-7a97a80624fe91a9d550 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 20V, Negative-QTOF | splash10-0udi-0019000000-e2f274918639146a9afe | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Fludiazepam 40V, Negative-QTOF | splash10-001j-0090000000-8fa0ab5ce849828b1d1d | 2021-10-11 | Wishart Lab | View Spectrum |
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General References | - Nakatsuka I, Shimizu H, Asami Y, Katoh T, Hirose A, Yoshitake A: Benzodiazepines and their metabolites: relationship between binding affinity to the benzodiazepine receptor and pharmacological activity. Life Sci. 1985 Jan 14;36(2):113-9. [PubMed:2857046 ]
- Ishiwata K, Yanai K, Ido T, Miura-Kanno Y, Kawashima K: Synthesis and biodistribution of [11C]fludiazepam for imaging benzodiazepine receptors. Int J Rad Appl Instrum B. 1988;15(4):365-71. [PubMed:2855634 ]
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