| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2013-07-04 18:53:30 UTC |
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| Update Date | 2019-07-23 07:14:53 UTC |
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| HMDB ID | HMDB0060699 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | (E)-2-Hydroxy-N-desmethyldoxepin |
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| Description | (E)-2-Hydroxy-N-desmethyldoxepin is a metabolite of doxepin. Doxepin is a psychotropic agent with tricyclic antidepressant and anxiolytic properties, known under many brand-names such as Aponal, the original preparation by Boehringer-Mannheim, now part of the Roche group; Adapine, Doxal, Deptran, Sinquan and Sinequan. As doxepin hydrochloride, it is the active ingredient in cream-based preparations (Zonalon and Xepin) for the treatment of dermatological itch. (Wikipedia) |
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| Structure | CNCC\C=C1/C2=C(COC3=C1C=C(O)C=C3)C=CC=C2 InChI=1S/C18H19NO2/c1-19-10-4-7-16-15-6-3-2-5-13(15)12-21-18-9-8-14(20)11-17(16)18/h2-3,5-9,11,19-20H,4,10,12H2,1H3/b16-7+ |
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| Synonyms | Not Available |
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| Chemical Formula | C18H19NO2 |
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| Average Molecular Weight | 281.349 |
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| Monoisotopic Molecular Weight | 281.141578857 |
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| IUPAC Name | (2E)-2-[3-(methylamino)propylidene]-9-oxatricyclo[9.4.0.0³,⁸]pentadeca-1(11),3(8),4,6,12,14-hexaen-5-ol |
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| Traditional Name | (2E)-2-[3-(methylamino)propylidene]-9-oxatricyclo[9.4.0.0³,⁸]pentadeca-1(11),3(8),4,6,12,14-hexaen-5-ol |
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| CAS Registry Number | Not Available |
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| SMILES | CNCC\C=C1/C2=C(COC3=C1C=C(O)C=C3)C=CC=C2 |
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| InChI Identifier | InChI=1S/C18H19NO2/c1-19-10-4-7-16-15-6-3-2-5-13(15)12-21-18-9-8-14(20)11-17(16)18/h2-3,5-9,11,19-20H,4,10,12H2,1H3/b16-7+ |
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| InChI Key | LUWRONBNZDYVBL-FRKPEAEDSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as dibenzoxepines. Dibenzoxepines are compounds containing a dibenzoxepine moiety, which consists of two benzene connected by an oxazepine ring. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Benzoxepines |
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| Sub Class | Dibenzoxepines |
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| Direct Parent | Dibenzoxepines |
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| Alternative Parents | |
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| Substituents | - Dibenzoxepine
- Alkyl aryl ether
- 1-hydroxy-2-unsubstituted benzenoid
- Benzenoid
- Secondary aliphatic amine
- Ether
- Secondary amine
- Oxacycle
- Organooxygen compound
- Organonitrogen compound
- Amine
- Organic oxygen compound
- Organopnictogen compound
- Organic nitrogen compound
- Hydrocarbon derivative
- 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 | 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 | |
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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. | 5.73 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.0307 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.3 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1409.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 247.0 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 159.2 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 183.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 101.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 404.0 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 | 382.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 547.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 902.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 377.3 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 | 1141.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 257.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 308.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 421.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 376.9 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 | 76.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| (E)-2-Hydroxy-N-desmethyldoxepin,1TMS,isomer #1 | CNCC/C=C1\C2=CC=CC=C2COC2=CC=C(O[Si](C)(C)C)C=C12 | 2595.0 | Semi standard non polar | 33892256 | | (E)-2-Hydroxy-N-desmethyldoxepin,1TMS,isomer #2 | CN(CC/C=C1\C2=CC=CC=C2COC2=CC=C(O)C=C12)[Si](C)(C)C | 2776.6 | Semi standard non polar | 33892256 | | (E)-2-Hydroxy-N-desmethyldoxepin,2TMS,isomer #1 | CN(CC/C=C1\C2=CC=CC=C2COC2=CC=C(O[Si](C)(C)C)C=C12)[Si](C)(C)C | 2745.9 | Semi standard non polar | 33892256 | | (E)-2-Hydroxy-N-desmethyldoxepin,2TMS,isomer #1 | CN(CC/C=C1\C2=CC=CC=C2COC2=CC=C(O[Si](C)(C)C)C=C12)[Si](C)(C)C | 2734.8 | Standard non polar | 33892256 | | (E)-2-Hydroxy-N-desmethyldoxepin,2TMS,isomer #1 | CN(CC/C=C1\C2=CC=CC=C2COC2=CC=C(O[Si](C)(C)C)C=C12)[Si](C)(C)C | 3137.9 | Standard polar | 33892256 | | (E)-2-Hydroxy-N-desmethyldoxepin,1TBDMS,isomer #1 | CNCC/C=C1\C2=CC=CC=C2COC2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12 | 2836.6 | Semi standard non polar | 33892256 | | (E)-2-Hydroxy-N-desmethyldoxepin,1TBDMS,isomer #2 | CN(CC/C=C1\C2=CC=CC=C2COC2=CC=C(O)C=C12)[Si](C)(C)C(C)(C)C | 2982.7 | Semi standard non polar | 33892256 | | (E)-2-Hydroxy-N-desmethyldoxepin,2TBDMS,isomer #1 | CN(CC/C=C1\C2=CC=CC=C2COC2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12)[Si](C)(C)C(C)(C)C | 3192.6 | Semi standard non polar | 33892256 | | (E)-2-Hydroxy-N-desmethyldoxepin,2TBDMS,isomer #1 | CN(CC/C=C1\C2=CC=CC=C2COC2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12)[Si](C)(C)C(C)(C)C | 3206.0 | Standard non polar | 33892256 | | (E)-2-Hydroxy-N-desmethyldoxepin,2TBDMS,isomer #1 | CN(CC/C=C1\C2=CC=CC=C2COC2=CC=C(O[Si](C)(C)C(C)(C)C)C=C12)[Si](C)(C)C(C)(C)C | 3314.9 | Standard polar | 33892256 |
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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 - (E)-2-Hydroxy-N-desmethyldoxepin GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9040000000-e8aa17e5b0aa673ec9c7 | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin GC-MS (1 TMS) - 70eV, Positive | splash10-0006-9022000000-722384646a8dd0b38c06 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 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 - (E)-2-Hydroxy-N-desmethyldoxepin 10V, Positive-QTOF | splash10-0f89-0090000000-58014278f1be39ac0e62 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 20V, Positive-QTOF | splash10-0ue9-2190000000-06c7720e73b59d5f347b | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 40V, Positive-QTOF | splash10-006x-9580000000-da986c45e08ee7765e15 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 10V, Negative-QTOF | splash10-001i-0090000000-9c561cbfe580bb7985a9 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 20V, Negative-QTOF | splash10-001i-0090000000-e19e7f66cda5bddbaec5 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 40V, Negative-QTOF | splash10-0pi0-2290000000-89b27296d26bced46896 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 10V, Positive-QTOF | splash10-001i-0090000000-a8ff340cbe951d2ac700 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 20V, Positive-QTOF | splash10-0udi-0090000000-77d31e0b5ea873fdc1f5 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 40V, Positive-QTOF | splash10-00di-1290000000-ec2cb2a15f7c241bc560 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 10V, Negative-QTOF | splash10-001i-0090000000-05f98fdd0e260ad54083 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 20V, Negative-QTOF | splash10-001i-0090000000-b081409cc95a7070c26a | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Hydroxy-N-desmethyldoxepin 40V, Negative-QTOF | splash10-0ac9-0190000000-33e8150ccb52682d5582 | 2021-10-12 | Wishart Lab | View Spectrum |
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