| 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 15:16:50 UTC |
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| Update Date | 2022-03-07 02:51:47 UTC |
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| HMDB ID | HMDB0014915 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Propiomazine |
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| Description | Propiomazine, also known as largon, belongs to the class of organic compounds known as phenothiazines. These are polycyclic aromatic compounds containing a phenothiazine moiety, which is a linear tricyclic system that consists of a two benzene rings joined by a para-thiazine ring. This may explain the lack of extrapyramidal effects. Propiomazine does not appear to block dopamine within the tubero-infundibular tract, explaining the lower incidence of hyperprolactinemia than with typical antipsychotic agents or risperidone. Propiomazine is a very strong basic compound (based on its pKa). In humans, propiomazine is involved in propiomazine h1-antihistamine action. It is used to treat insomnia, and to produce sleepiness or drowsiness and to relieve anxiety before or during surgery or other procedures and in combination with analgetics also during labor. Propiomazine's antipsychotic effect is due to antagonism at dopamine and serotonin type 2 receptors, with greater activity at serotonin 5-HT2 receptors than at dopamine type-2 receptors. Propiomazine (Largon, Propavan, Indorm, Serentin, Dorevane, Dorevan) is an antihistamine blocking H1 receptors. Propiomazine is a potentially toxic compound. Propiomazine is a phenothiazine, but is not used as a neuroleptic because it does not block dopamine receptors well. Propiomazine is an antagonist at types 1, 2, and 4 dopamine receptors, serotonin (5-HT) receptor types 2A and 2C, muscarinic receptors 1 through 5, alpha(1)-receptors, and histamine H1-receptors. Drowsiness is a usual side effect. |
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| Structure | CCC(=O)C1=CC2=C(SC3=CC=CC=C3N2CC(C)N(C)C)C=C1 InChI=1S/C20H24N2OS/c1-5-18(23)15-10-11-20-17(12-15)22(13-14(2)21(3)4)16-8-6-7-9-19(16)24-20/h6-12,14H,5,13H2,1-4H3 |
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| Synonyms | | Value | Source |
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| 10-(2-Dimethylaminopropyl)-2-propionylphenothiazine | ChEBI | | 2-Propionyl-10-(2-(dimethylamino)propyl)phenothiazine | ChEBI | | 3-Propionyl-10-dimethylaminoisopropylphenothiazine | ChEBI | | Propiomazina | ChEBI | | Propiomazinum | ChEBI | | Largon | HMDB |
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| Chemical Formula | C20H24N2OS |
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| Average Molecular Weight | 340.482 |
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| Monoisotopic Molecular Weight | 340.16093409 |
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| IUPAC Name | 1-{10-[2-(dimethylamino)propyl]-10H-phenothiazin-2-yl}propan-1-one |
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| Traditional Name | propiomazine |
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| CAS Registry Number | 362-29-8 |
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| SMILES | CCC(=O)C1=CC2=C(SC3=CC=CC=C3N2CC(C)N(C)C)C=C1 |
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| InChI Identifier | InChI=1S/C20H24N2OS/c1-5-18(23)15-10-11-20-17(12-15)22(13-14(2)21(3)4)16-8-6-7-9-19(16)24-20/h6-12,14H,5,13H2,1-4H3 |
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| InChI Key | UVOIBTBFPOZKGP-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as phenothiazines. These are polycyclic aromatic compounds containing a phenothiazine moiety, which is a linear tricyclic system that consists of a two benzene rings joined by a para-thiazine ring. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Benzothiazines |
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| Sub Class | Phenothiazines |
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| Direct Parent | Phenothiazines |
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| Alternative Parents | |
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| Substituents | - Phenothiazine
- Alkyldiarylamine
- Diarylthioether
- Aryl thioether
- Tertiary aliphatic/aromatic amine
- Aryl alkyl ketone
- Aryl ketone
- Para-thiazine
- Benzenoid
- Ketone
- Tertiary amine
- Tertiary aliphatic amine
- Thioether
- Azacycle
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Organooxygen compound
- Organonitrogen compound
- Organic oxygen compound
- Organic nitrogen compound
- Amine
- 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 | |
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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 | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 0.007 g/L | Not Available | | LogP | 4.5 | 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. | 6.08 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.3719 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.97 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 53.4 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1411.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 222.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 171.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 180.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 99.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 366.4 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 | 464.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 535.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1004.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 342.7 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 | 1015.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 234.1 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 361.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 297.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 375.4 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 | 9.0 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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| Experimental GC-MS | GC-MS Spectrum - Propiomazine EI-B (Non-derivatized) | splash10-00di-9100000000-976e369803cbbc61ad7a | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Propiomazine EI-B (Non-derivatized) | splash10-00di-9100000000-976e369803cbbc61ad7a | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Propiomazine GC-MS (Non-derivatized) - 70eV, Positive | splash10-00fr-9032000000-8ac8d90dc51b6244aecf | 2017-11-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Propiomazine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | MS | Mass Spectrum (Electron Ionization) | splash10-00di-9220000000-31dfa9c2a3e2a6046ef7 | 2014-09-20 | Not Available | 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 - Propiomazine 10V, Positive-QTOF | splash10-0006-3129000000-8a45d39e43f3fcf55fd4 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 20V, Positive-QTOF | splash10-000j-9082000000-53493e52601db97df35b | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 40V, Positive-QTOF | splash10-0079-9410000000-7fe35b6626b933c91bbb | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 10V, Negative-QTOF | splash10-000i-0009000000-feea6c99c610382d5059 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 20V, Negative-QTOF | splash10-004i-1893000000-516b36aec603eac0bc93 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 40V, Negative-QTOF | splash10-0pba-9870000000-ff2d57285ef106d3c73f | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 10V, Positive-QTOF | splash10-0006-0019000000-fe1a7766d0ed20f6cd54 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 20V, Positive-QTOF | splash10-000l-9043000000-fb6cfea0a368597116dd | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 40V, Positive-QTOF | splash10-000i-9240000000-9f301a72de3beafb7b1f | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 10V, Negative-QTOF | splash10-000i-0019000000-f17a13bc04340efdfe2f | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 20V, Negative-QTOF | splash10-014u-1094000000-7053530da24323a19772 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Propiomazine 40V, Negative-QTOF | splash10-0fvl-0290000000-cc131874e5924b29218c | 2021-10-11 | Wishart Lab | View Spectrum |
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