| 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 15:00:29 UTC |
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| Update Date | 2021-09-14 15:46:17 UTC |
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| HMDB ID | HMDB0013929 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 2-Oxoclopidogrel |
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| Description | 2-Oxoclopidogrel is a thiolactone intermediate of clopidogrel, an antithrombotic prodrug (PMID: 23249383 ).. Hepatic cytochrome P450 (P450) enzymes catalyze the conversion of clopidogrel to 2-oxo-clopidogrel via CYP3A oxidation. After oxidation, 2-oxoclopidogrel is then subsequently hydrolyzed to the clopidogrel active metabolite known as CAM (PMID: 25970225 ). 2-oxoclopidogrel can form four isomers (H1, H2, H3 and H4) of CAM, in which H4 only found in humans. The H4 isomer exhibits twice the activity of the H2 isomer (PMID: 28602635 ). The H4 isomer blocks adenosine diphosphate (ADP) binding to the P2Y12 receptor which thereby inhibits ADP induced platelet aggregation. 2-oxoclopidogrel is only found in individuals that have used or taken Clopidogrel. |
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| Structure | COC(=O)[C@@H](N1CCC2SC(=O)C=C2C1)C1=CC=CC=C1Cl InChI=1S/C16H16ClNO3S/c1-21-16(20)15(11-4-2-3-5-12(11)17)18-7-6-13-10(9-18)8-14(19)22-13/h2-5,8,13,15H,6-7,9H2,1H3/t13?,15-/m0/s1 |
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| Synonyms | | Value | Source |
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| 2-oxo-Clopidogrel | HMDB | | (2S)Methyl 2-(2-chlorophenyl)-2-(2-oxo-7,7a-dihydrothieno(3,2-c)pyridin-5(2H,4H,6H)-yl)acetate | HMDB |
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| Chemical Formula | C16H16ClNO3S |
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| Average Molecular Weight | 337.821 |
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| Monoisotopic Molecular Weight | 337.05394178 |
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| IUPAC Name | methyl (2S)-2-(2-chlorophenyl)-2-{2-oxo-2H,4H,5H,6H,7H,7aH-thieno[3,2-c]pyridin-5-yl}acetate |
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| Traditional Name | methyl (2S)-2-(2-chlorophenyl)-2-{2-oxo-4H,6H,7H,7aH-thieno[3,2-c]pyridin-5-yl}acetate |
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| CAS Registry Number | Not Available |
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| SMILES | COC(=O)[C@@H](N1CCC2SC(=O)C=C2C1)C1=CC=CC=C1Cl |
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| InChI Identifier | InChI=1S/C16H16ClNO3S/c1-21-16(20)15(11-4-2-3-5-12(11)17)18-7-6-13-10(9-18)8-14(19)22-13/h2-5,8,13,15H,6-7,9H2,1H3/t13?,15-/m0/s1 |
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| InChI Key | JBSAZVIMJUOBNB-WUJWULDRSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as alpha amino acid esters. These are ester derivatives of alpha amino acids. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Amino acids, peptides, and analogues |
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| Direct Parent | Alpha amino acid esters |
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| Alternative Parents | |
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| Substituents | - Alpha-amino acid ester
- Thienopyridine
- Chlorobenzene
- Halobenzene
- Aralkylamine
- Aryl chloride
- Aryl halide
- Monocyclic benzene moiety
- Piperidine
- Benzenoid
- Methyl ester
- Carbothioic s-lactone
- 2,5-dihydrothiophene
- Tertiary aliphatic amine
- Thiocarboxylic acid ester
- Tertiary amine
- Carboxylic acid ester
- Thiocarboxylic acid or derivatives
- Azacycle
- Organoheterocyclic compound
- Monocarboxylic acid or derivatives
- Organic oxide
- Organohalogen compound
- Organopnictogen compound
- Organochloride
- Organic oxygen compound
- Organonitrogen compound
- Carbonyl group
- Amine
- Organooxygen 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. | 5.51 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.3037 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.69 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 25.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1827.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 258.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 160.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 176.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 83.8 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 501.3 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 | 649.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 197.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1077.7 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 421.5 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 | 1345.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 287.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 310.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 301.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 151.3 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 | 20.1 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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| Predicted GC-MS | Predicted GC-MS Spectrum - 2-Oxoclopidogrel GC-MS (Non-derivatized) - 70eV, Positive | splash10-004i-0190000000-489b988baa99d3ba5ff1 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Oxoclopidogrel 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 - 2-Oxoclopidogrel 10V, Positive-QTOF | splash10-000i-0119000000-8a5e7008cac66b267421 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 20V, Positive-QTOF | splash10-059i-0196000000-26909a713c5535a89bf5 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 40V, Positive-QTOF | splash10-004j-4590000000-bc0e44783d88160ecf93 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 10V, Negative-QTOF | splash10-000i-0009000000-9bddc2d228e1e448d914 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 20V, Negative-QTOF | splash10-0f7c-0159000000-6c8164efb2cd0531f5ed | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 40V, Negative-QTOF | splash10-03dl-6791000000-0473925e521b6029585b | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 10V, Negative-QTOF | splash10-000i-0049000000-adb4e0342f064419581d | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 20V, Negative-QTOF | splash10-0059-5192000000-e19d0ffa95f84bc89156 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 40V, Negative-QTOF | splash10-001i-9682000000-aef34ebc8a3f6b9a9ce6 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 10V, Positive-QTOF | splash10-000i-0009000000-584cee3804a36ce3f821 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 20V, Positive-QTOF | splash10-000i-0229000000-10f9eb47c9a85cda3886 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxoclopidogrel 40V, Positive-QTOF | splash10-03fr-0944000000-9d423bbf8f92a15c9fd8 | 2021-09-22 | Wishart Lab | View Spectrum |
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| General References | - Zhu Y, Zhou J: In vitro biotransformation studies of 2-oxo-clopidogrel: multiple thiolactone ring-opening pathways further attenuate prodrug activation. Chem Res Toxicol. 2013 Jan 18;26(1):179-90. doi: 10.1021/tx300460k. Epub 2012 Dec 28. [PubMed:23249383 ]
- Dansette PM, Levent D, Hessani A, Mansuy D: Bioactivation of clopidogrel and prasugrel: factors determining the stereochemistry of the thiol metabolite double bond. Chem Res Toxicol. 2015 Jun 15;28(6):1338-45. doi: 10.1021/acs.chemrestox.5b00133. Epub 2015 May 21. [PubMed:25970225 ]
- Lyngby JG, Court MH, Lee PM: Validation of a method for quantitation of the clopidogrel active metabolite, clopidogrel, clopidogrel carboxylic acid, and 2-oxo-clopidogrel in feline plasma. J Vet Cardiol. 2017 Aug;19(4):384-395. doi: 10.1016/j.jvc.2017.03.004. Epub 2017 Jun 9. [PubMed:28602635 ]
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