| 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 02:52:05 UTC |
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| HMDB ID | HMDB0015691 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Dimethindene |
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| Description | Dimethindene, also known as fenistil or forhistal, belongs to the class of organic compounds known as indenes and isoindenes. Indenes and isoindenes are compounds containing an indene moiety(which consists of a cyclopentadiene fused to a benzene ring), or a isoindene moiety (which consists of a cyclopentadiene fused to cyclohexadiene ring). As with other antihistaminic drugs, overdosage can produce the following symptoms: CNS depression accompanied by drowsiness (especially in adults), CNS stimulation and antimuscarinic effects (especially in children) including the following: excitation, ataxia, hallucinations, tonic or clonic spasms, mydriasis, dryness of the mouth, redness of the face, urine retention, fever and tachycardia. Dimethindene is a very strong basic compound (based on its pKa). In humans, dimethindene is involved in dimetindene h1-antihistamine action. Dimethindene is only found in individuals that have used or taken this drug. Dimethindene is a selective histamine H1 antagonist and binds to the histamine H1 receptor. Blood hypotension is also possible (R)-(-)-enantiomer is the eutomer (responsible for bioactivity) for histamine H1 receptor binding. |
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| Structure | CC(C1=C(CCN(C)C)CC2=CC=CC=C12)C1=CC=CC=N1 InChI=1S/C20H24N2/c1-15(19-10-6-7-12-21-19)20-17(11-13-22(2)3)14-16-8-4-5-9-18(16)20/h4-10,12,15H,11,13-14H2,1-3H3 |
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| Synonyms | | Value | Source |
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| (+/-)-dimetahindene | HMDB | | Dimethylpyrindene | HMDB | | Dimethindene maleate | HMDB | | Dimetindene | HMDB | | Maleate, dimethindene | HMDB | | Dimethpyrindene | HMDB | | Fenistil | HMDB | | Forhistal | HMDB | | Novartis brand OF dimethindene maleate | HMDB |
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| Chemical Formula | C20H24N2 |
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| Average Molecular Weight | 292.418 |
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| Monoisotopic Molecular Weight | 292.193948778 |
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| IUPAC Name | dimethyl(2-{3-[1-(pyridin-2-yl)ethyl]-1H-inden-2-yl}ethyl)amine |
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| Traditional Name | dimethindene |
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| CAS Registry Number | 5636-83-9 |
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| SMILES | CC(C1=C(CCN(C)C)CC2=CC=CC=C12)C1=CC=CC=N1 |
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| InChI Identifier | InChI=1S/C20H24N2/c1-15(19-10-6-7-12-21-19)20-17(11-13-22(2)3)14-16-8-4-5-9-18(16)20/h4-10,12,15H,11,13-14H2,1-3H3 |
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| InChI Key | MVMQESMQSYOVGV-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as indenes and isoindenes. Indenes and isoindenes are compounds containing an indene moiety(which consists of a cyclopentadiene fused to a benzene ring), or a isoindene moiety (which consists of a cyclopentadiene fused to cyclohexadiene ring). |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Indenes and isoindenes |
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| Sub Class | Not Available |
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| Direct Parent | Indenes and isoindenes |
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| Alternative Parents | |
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| Substituents | - Indene
- Pyridine
- Heteroaromatic compound
- Tertiary aliphatic amine
- Tertiary amine
- Azacycle
- Organoheterocyclic compound
- Organic nitrogen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Organonitrogen compound
- Amine
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic 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 | |
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| Role | Not Available |
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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 | 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 | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 5.92 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.8616 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.34 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 43.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1385.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 218.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 172.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 175.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 107.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 365.4 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 444.3 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 395.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 931.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 148.2 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1162.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 232.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 326.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 333.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 270.3 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 7.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - Dimethindene GC-MS (Non-derivatized) - 70eV, Positive | splash10-0a6r-9580000000-d988cb2b7d041f1d29b4 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Dimethindene GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 10V, Positive-QTOF | splash10-0006-0090000000-6f0b397decf52bcf1a59 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 20V, Positive-QTOF | splash10-006y-2390000000-b930ccee7688ed4a0324 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 40V, Positive-QTOF | splash10-00bl-3940000000-b9bc4d1c64f0cee0fdf0 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 10V, Negative-QTOF | splash10-0006-0090000000-9d54a7a45b59604fbf5e | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 20V, Negative-QTOF | splash10-0006-1090000000-b5c54114bd9f8ab5e29c | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 40V, Negative-QTOF | splash10-056u-9370000000-c008c6758091f141fe25 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 10V, Positive-QTOF | splash10-0006-0190000000-411f16ef1c889ea21fe6 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 20V, Positive-QTOF | splash10-0a4m-2690000000-797dffad8f6d13889761 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 40V, Positive-QTOF | splash10-0a4i-7910000000-bf84eccff5bbaaa30cb0 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 10V, Negative-QTOF | splash10-000x-0090000000-b23b853c492b4d851fdd | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 20V, Negative-QTOF | splash10-000x-0590000000-f07ef0659fb9298c7d4f | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Dimethindene 40V, Negative-QTOF | splash10-002o-1920000000-b4c8104237666425929f | 2021-10-11 | Wishart Lab | View Spectrum |
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