| 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 15:16:51 UTC |
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| Update Date | 2022-03-07 02:51:56 UTC |
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| HMDB ID | HMDB0015304 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Orphenadrine |
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| Description | Orphenadrine is only found in individuals that have used or taken this drug. It is a muscarinic antagonist used to treat drug-induced parkinsonism and to relieve pain from muscle spasm. [PubChem]Orphenadrine binds and inhibits both histamine H1 receptors and NMDA receptors. It restores the motor disturbances induced by neuroleptics, in particular the hyperkinesia. The dopamine deficiency in the striatum increases the stimulating effects of the cholinergic system. This stimulation is counteracted by the anticholinergic effect of orphenadrine. It may have a relaxing effect on skeletal muscle spasms and it has a mood elevating effect. |
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| Structure | CN(C)CCOC(C1=CC=CC=C1)C1=CC=CC=C1C InChI=1S/C18H23NO/c1-15-9-7-8-12-17(15)18(20-14-13-19(2)3)16-10-5-4-6-11-16/h4-12,18H,13-14H2,1-3H3 |
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| Synonyms | | Value | Source |
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| 2-(Phenyl-O-tolylmethoxy)ethyldimethylamine | ChEBI | | 2-Methyldiphenhydramine | ChEBI | | beta-Dimethylaminoethyl 2-methylbenzhydryl ether | ChEBI | | Dimethyl-[2-(phenyl-O-tolyl-methoxy)-ethyl]-amine | ChEBI | | N,N-Dimethyl-2-(alpha-2-tolylbenzoyloxy)ethylamine | ChEBI | | N,N-Dimethyl-2-(phenyl(O-tolyl)methoxy)ethanamine | ChEBI | | N,N-Dimethyl-2-[(O-methyl-alpha-phenylbenzyl)oxy]ethylamine | ChEBI | | O-Methyldiphenhydramine | ChEBI | | O-Monomethyldiphenhydramine | ChEBI | | Orfenadrina | ChEBI | | Orphenadrinum | ChEBI | | Phenyl-O-tolylmethyl dimethyaminoethyl ether | ChEBI | | Mialgin | Kegg | | b-Dimethylaminoethyl 2-methylbenzhydryl ether | Generator | | Β-dimethylaminoethyl 2-methylbenzhydryl ether | Generator | | N,N-Dimethyl-2-(a-2-tolylbenzoyloxy)ethylamine | Generator | | N,N-Dimethyl-2-(α-2-tolylbenzoyloxy)ethylamine | Generator | | N,N-Dimethyl-2-[(O-methyl-a-phenylbenzyl)oxy]ethylamine | Generator | | N,N-Dimethyl-2-[(O-methyl-α-phenylbenzyl)oxy]ethylamine | Generator | | Mephenamine | HMDB | | Orphenadine | HMDB | | Orphenadrin | HMDB | | Orphenadrine citrate | HMDB | | Orphenate | HMDB | | Orphenedrine | HMDB | | Lysantin | HMDB | | Mefenamine, sodium | HMDB | | Norflex orphenadrine citrate | HMDB | | Citrate, orphenadrine | HMDB | | Disipal | HMDB | | Methyldiphenylhydramine | HMDB | | Norflex | HMDB | | Citrate, norflex orphenadrine | HMDB | | Hydrochloride, orphenadrine | HMDB | | Mefenamine | HMDB | | Orphenadrine citrate, norflex | HMDB | | Sodium mefenamine | HMDB | | Orphenadrine hydrochloride | HMDB |
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| Chemical Formula | C18H23NO |
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| Average Molecular Weight | 269.3813 |
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| Monoisotopic Molecular Weight | 269.177964363 |
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| IUPAC Name | dimethyl({2-[(2-methylphenyl)(phenyl)methoxy]ethyl})amine |
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| Traditional Name | orphenadrine |
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| CAS Registry Number | 83-98-7 |
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| SMILES | CN(C)CCOC(C1=CC=CC=C1)C1=CC=CC=C1C |
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| InChI Identifier | InChI=1S/C18H23NO/c1-15-9-7-8-12-17(15)18(20-14-13-19(2)3)16-10-5-4-6-11-16/h4-12,18H,13-14H2,1-3H3 |
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| InChI Key | QVYRGXJJSLMXQH-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as diphenylmethanes. Diphenylmethanes are compounds containing a diphenylmethane moiety, which consists of a methane wherein two hydrogen atoms are replaced by two phenyl groups. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Benzene and substituted derivatives |
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| Sub Class | Diphenylmethanes |
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| Direct Parent | Diphenylmethanes |
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| Alternative Parents | |
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| Substituents | - Diphenylmethane
- Benzylether
- Toluene
- Tertiary aliphatic amine
- Tertiary amine
- Ether
- Dialkyl ether
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Amine
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic 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 | |
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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 | 156 - 157 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 0.03 g/L | Not Available | | LogP | 3.6 | Not Available |
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| Experimental Chromatographic Properties | Experimental Collision Cross Sections |
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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. | 6.1 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 12.4867 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.11 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 33.4 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1611.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 284.0 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 177.6 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 188.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 140.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 502.9 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 | 509.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 354.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1244.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 419.7 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 | 1336.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 284.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 356.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 260.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 195.9 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 | 8.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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