| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2013-05-17 01:23:18 UTC |
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| Update Date | 2021-09-14 15:45:49 UTC |
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| HMDB ID | HMDB0060472 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Didemethylcitalopram |
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| Description | Didemethylcitalopram belongs to the class of organic compounds known as phenylbutylamines. Phenylbutylamines are compounds containing a phenylbutylamine moiety, which consists of a phenyl group substituted at the fourth carbon by an butan-1-amine. Didemethylcitalopram is a very strong basic compound (based on its pKa). Didemethylcitalopram exists in all living organisms, ranging from bacteria to humans. Within humans, didemethylcitalopram participates in a number of enzymatic reactions. In particular, didemethylcitalopram can be converted into citalopram aldehyde through the action of the enzymes amine oxidase [flavin-containing] a and amine oxidase [flavin-containing] b. In addition, didemethylcitalopram and formaldehyde can be biosynthesized from N-desmethylcitalopram; which is mediated by the enzyme cytochrome P450 2D6. In humans, didemethylcitalopram is involved in citalopram metabolism pathway. |
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| Structure | NCCCC1(OCC2=C1C=CC(=C2)C#N)C1=CC=C(F)C=C1 InChI=1S/C18H17FN2O/c19-16-5-3-15(4-6-16)18(8-1-9-20)17-7-2-13(11-21)10-14(17)12-22-18/h2-7,10H,1,8-9,12,20H2 |
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| Synonyms | | Value | Source |
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| Didesmethylcitalopram oxalate | HMDB | | Didesmethylcitalopram | MeSH |
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| Chemical Formula | C18H17FN2O |
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| Average Molecular Weight | 296.3388 |
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| Monoisotopic Molecular Weight | 296.132491381 |
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| IUPAC Name | 1-(3-aminopropyl)-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile |
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| Traditional Name | didemethylcitalopram |
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| CAS Registry Number | Not Available |
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| SMILES | NCCCC1(OCC2=C1C=CC(=C2)C#N)C1=CC=C(F)C=C1 |
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| InChI Identifier | InChI=1S/C18H17FN2O/c19-16-5-3-15(4-6-16)18(8-1-9-20)17-7-2-13(11-21)10-14(17)12-22-18/h2-7,10H,1,8-9,12,20H2 |
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| InChI Key | RKUKMUWCRLRPEJ-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as phenylbutylamines. Phenylbutylamines are compounds containing a phenylbutylamine moiety, which consists of a phenyl group substituted at the fourth carbon by an butan-1-amine. |
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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 | Phenylbutylamines |
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| Direct Parent | Phenylbutylamines |
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| Alternative Parents | |
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| Substituents | - Phenylbutylamine
- Isocoumaran
- Fluorobenzene
- Halobenzene
- Aralkylamine
- Aryl halide
- Aryl fluoride
- Oxacycle
- Dialkyl ether
- Ether
- Carbonitrile
- Nitrile
- Organoheterocyclic compound
- Organohalogen compound
- Organic oxygen compound
- Organopnictogen compound
- Primary aliphatic amine
- Amine
- Organofluoride
- Organonitrogen compound
- Organooxygen compound
- Organic nitrogen compound
- Primary amine
- Hydrocarbon derivative
- 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 | 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. | 4.09 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.2061 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.57 minutes | 32390414 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Didemethylcitalopram,1TMS,isomer #1 | C[Si](C)(C)NCCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21 | 2563.5 | Semi standard non polar | 33892256 | | Didemethylcitalopram,1TMS,isomer #1 | C[Si](C)(C)NCCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21 | 2577.2 | Standard non polar | 33892256 | | Didemethylcitalopram,1TMS,isomer #1 | C[Si](C)(C)NCCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21 | 3232.3 | Standard polar | 33892256 | | Didemethylcitalopram,2TMS,isomer #1 | C[Si](C)(C)N(CCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21)[Si](C)(C)C | 2741.9 | Semi standard non polar | 33892256 | | Didemethylcitalopram,2TMS,isomer #1 | C[Si](C)(C)N(CCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21)[Si](C)(C)C | 2729.4 | Standard non polar | 33892256 | | Didemethylcitalopram,2TMS,isomer #1 | C[Si](C)(C)N(CCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21)[Si](C)(C)C | 3178.6 | Standard polar | 33892256 | | Didemethylcitalopram,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21 | 2832.2 | Semi standard non polar | 33892256 | | Didemethylcitalopram,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21 | 2781.5 | Standard non polar | 33892256 | | Didemethylcitalopram,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21 | 3313.7 | Standard polar | 33892256 | | Didemethylcitalopram,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N(CCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21)[Si](C)(C)C(C)(C)C | 3246.4 | Semi standard non polar | 33892256 | | Didemethylcitalopram,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N(CCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21)[Si](C)(C)C(C)(C)C | 3083.0 | Standard non polar | 33892256 | | Didemethylcitalopram,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N(CCCC1(C2=CC=C(F)C=C2)OCC2=CC(C#N)=CC=C21)[Si](C)(C)C(C)(C)C | 3303.7 | 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 - Didemethylcitalopram GC-MS (Non-derivatized) - 70eV, Positive | splash10-0019-5190000000-27267b21fbfd2667ad0a | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Didemethylcitalopram GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Didemethylcitalopram 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 - Didemethylcitalopram 10V, Positive-QTOF | splash10-001j-0090000000-6d8ae8086154e9386c59 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 20V, Positive-QTOF | splash10-001i-1190000000-a3bd6197e10242280d3e | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 40V, Positive-QTOF | splash10-0f6x-9850000000-29310282b6b9fbd8e49f | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 10V, Negative-QTOF | splash10-0002-0090000000-b966c93238a3cd3d8dbe | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 20V, Negative-QTOF | splash10-0002-1090000000-6f09b8194f9dc7f22ae0 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 40V, Negative-QTOF | splash10-0002-5290000000-4ebf655263c971b6b6fc | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 10V, Positive-QTOF | splash10-0002-0090000000-1839b3c3aa4333bd08f6 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 20V, Positive-QTOF | splash10-0f6t-0290000000-ee8bb8dcc6c4bee4016a | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 40V, Positive-QTOF | splash10-0a4i-0930000000-59d6738739988f333915 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 10V, Negative-QTOF | splash10-0002-0090000000-009c4b2c3fd1dd912a1c | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 20V, Negative-QTOF | splash10-000i-0090000000-e2f03fdefbdbf6669449 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Didemethylcitalopram 40V, Negative-QTOF | splash10-000i-1590000000-373645739048c7d4b1c2 | 2021-10-12 | Wishart Lab | View Spectrum |
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| Disease References | | Sepsis |
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- Stewart CJ, Embleton ND, Marrs ECL, Smith DP, Fofanova T, Nelson A, Skeath T, Perry JD, Petrosino JF, Berrington JE, Cummings SP: Longitudinal development of the gut microbiome and metabolome in preterm neonates with late onset sepsis and healthy controls. Microbiome. 2017 Jul 12;5(1):75. doi: 10.1186/s40168-017-0295-1. [PubMed:28701177 ]
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