Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2021-09-11 14:41:23 UTC |
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Update Date | 2021-09-26 23:09:41 UTC |
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HMDB ID | HMDB0255119 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | N-Desmethyl Topotecan |
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Description | 19-ethyl-7,19-dihydroxy-8-[(methylamino)methyl]-17-oxa-3,13-diazapentacyclo[11.8.0.0²,¹¹.0⁴,⁹.0¹⁵,²⁰]henicosa-1(21),2,4,6,8,10,15(20)-heptaene-14,18-dione belongs to the class of organic compounds known as camptothecins. These are heterocyclic compounds comprising a planar pentacyclic ring structure, that includes a pyrrolo[3,4-beta]-quinoline moiety (rings A, B and C), conjugated pyridone moiety (ring D) and one chiral center at position 20 within the alpha-hydroxy lactone ring with (S) configuration (the E-ring). Based on a literature review very few articles have been published on 19-ethyl-7,19-dihydroxy-8-[(methylamino)methyl]-17-oxa-3,13-diazapentacyclo[11.8.0.0²,¹¹.0⁴,⁹.0¹⁵,²⁰]henicosa-1(21),2,4,6,8,10,15(20)-heptaene-14,18-dione. This compound has been identified in human blood as reported by (PMID: 31557052 ). N-desmethyl topotecan is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically N-Desmethyl Topotecan is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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Structure | CCC1(O)C(=O)OCC2=C1C=C1N(CC3=C1N=C1C=CC(O)=C(CNC)C1=C3)C2=O InChI=1S/C22H21N3O5/c1-3-22(29)15-7-17-19-11(9-25(17)20(27)14(15)10-30-21(22)28)6-12-13(8-23-2)18(26)5-4-16(12)24-19/h4-7,23,26,29H,3,8-10H2,1-2H3 |
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Synonyms | Not Available |
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Chemical Formula | C22H21N3O5 |
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Average Molecular Weight | 407.426 |
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Monoisotopic Molecular Weight | 407.148120788 |
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IUPAC Name | 19-ethyl-7,19-dihydroxy-8-[(methylamino)methyl]-17-oxa-3,13-diazapentacyclo[11.8.0.0^{2,11}.0^{4,9}.0^{15,20}]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione |
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Traditional Name | 19-ethyl-7,19-dihydroxy-8-[(methylamino)methyl]-17-oxa-3,13-diazapentacyclo[11.8.0.0^{2,11}.0^{4,9}.0^{15,20}]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione |
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CAS Registry Number | Not Available |
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SMILES | CCC1(O)C(=O)OCC2=C1C=C1N(CC3=C1N=C1C=CC(O)=C(CNC)C1=C3)C2=O |
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InChI Identifier | InChI=1S/C22H21N3O5/c1-3-22(29)15-7-17-19-11(9-25(17)20(27)14(15)10-30-21(22)28)6-12-13(8-23-2)18(26)5-4-16(12)24-19/h4-7,23,26,29H,3,8-10H2,1-2H3 |
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InChI Key | ZWUJOGCYOWLZFL-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as camptothecins. These are heterocyclic compounds comprising a planar pentacyclic ring structure, that includes a pyrrolo[3,4-beta]-quinoline moiety (rings A, B and C), conjugated pyridone moiety (ring D) and one chiral center at position 20 within the alpha-hydroxy lactone ring with (S) configuration (the E-ring). |
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Kingdom | Organic compounds |
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Super Class | Alkaloids and derivatives |
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Class | Camptothecins |
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Sub Class | Not Available |
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Direct Parent | Camptothecins |
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Alternative Parents | |
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Substituents | - Camptothecin
- Hydroxyquinoline
- Pyranopyridine
- Quinoline
- 1-hydroxy-2-unsubstituted benzenoid
- Phenol
- Pyridinone
- Aralkylamine
- Benzenoid
- Pyridine
- Heteroaromatic compound
- Tertiary alcohol
- Carboxylic acid ester
- Lactam
- Lactone
- Amino acid or derivatives
- Oxacycle
- Azacycle
- Carboxylic acid derivative
- Organoheterocyclic compound
- Secondary aliphatic amine
- Secondary amine
- Monocarboxylic acid or derivatives
- Alcohol
- Organic nitrogen compound
- Carbonyl group
- Organic oxide
- Hydrocarbon derivative
- Organonitrogen compound
- Organooxygen compound
- Amine
- Organic oxygen compound
- 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 | 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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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N-Desmethyl Topotecan,3TMS,isomer #1 | CCC1(O[Si](C)(C)C)C(=O)OCC2=C1C=C1C3=NC4=CC=C(O[Si](C)(C)C)C(CN(C)[Si](C)(C)C)=C4C=C3CN1C2=O | 3689.0 | Semi standard non polar | 33892256 | N-Desmethyl Topotecan,3TMS,isomer #1 | CCC1(O[Si](C)(C)C)C(=O)OCC2=C1C=C1C3=NC4=CC=C(O[Si](C)(C)C)C(CN(C)[Si](C)(C)C)=C4C=C3CN1C2=O | 3834.2 | Standard non polar | 33892256 | N-Desmethyl Topotecan,3TMS,isomer #1 | CCC1(O[Si](C)(C)C)C(=O)OCC2=C1C=C1C3=NC4=CC=C(O[Si](C)(C)C)C(CN(C)[Si](C)(C)C)=C4C=C3CN1C2=O | 4436.3 | Standard polar | 33892256 | N-Desmethyl Topotecan,3TBDMS,isomer #1 | CCC1(O[Si](C)(C)C(C)(C)C)C(=O)OCC2=C1C=C1C3=NC4=CC=C(O[Si](C)(C)C(C)(C)C)C(CN(C)[Si](C)(C)C(C)(C)C)=C4C=C3CN1C2=O | 4271.4 | Semi standard non polar | 33892256 | N-Desmethyl Topotecan,3TBDMS,isomer #1 | CCC1(O[Si](C)(C)C(C)(C)C)C(=O)OCC2=C1C=C1C3=NC4=CC=C(O[Si](C)(C)C(C)(C)C)C(CN(C)[Si](C)(C)C(C)(C)C)=C4C=C3CN1C2=O | 4438.7 | Standard non polar | 33892256 | N-Desmethyl Topotecan,3TBDMS,isomer #1 | CCC1(O[Si](C)(C)C(C)(C)C)C(=O)OCC2=C1C=C1C3=NC4=CC=C(O[Si](C)(C)C(C)(C)C)C(CN(C)[Si](C)(C)C(C)(C)C)=C4C=C3CN1C2=O | 4566.7 | Standard polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (Non-derivatized) - 70eV, Positive | splash10-01si-0019000000-9f5738567a0fa0811513 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TMS_2_2) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TMS_2_3) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TBDMS_2_1) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TBDMS_2_2) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - N-Desmethyl Topotecan GC-MS (TBDMS_2_3) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-10-25 | Wishart Lab | View Spectrum |
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