| 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 15:16:51 UTC |
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| Update Date | 2022-03-07 02:51:52 UTC |
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| HMDB ID | HMDB0015113 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Lomefloxacin |
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| Description | Lomefloxacin is only found in individuals that have used or taken this drug. It is a fluoroquinolone antibiotic, used to treat bacterial infections including bronchitis and urinary tract infections. It is also used to prevent urinary tract infections prior to surgery.Lomefloxacin is a bactericidal fluoroquinolone agent with activity against a wide range of gram-negative and gram-positive organisms. The bactericidal action of lomefloxacin results from interference with the activity of the bacterial enzymes DNA gyrase and topoisomerase IV, which are needed for the transcription and replication of bacterial DNA. DNA gyrase appears to be the primary quinolone target for gram-negative bacteria. Topoisomerase IV appears to be the preferential target in gram-positive organisms. Interference with these two topoisomerases results in strand breakage of the bacterial chromosome, supercoiling, and resealing. As a result DNA replication and transcription is inhibited. |
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| Structure | CCN1C=C(C(O)=O)C(=O)C2=CC(F)=C(N3CCNC(C)C3)C(F)=C12 InChI=1S/C17H19F2N3O3/c1-3-21-8-11(17(24)25)16(23)10-6-12(18)15(13(19)14(10)21)22-5-4-20-9(2)7-22/h6,8-9,20H,3-5,7H2,1-2H3,(H,24,25) |
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| Synonyms | | Value | Source |
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| (+-)-1-Ethyl-6,8-difluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid | ChEBI | | 1,4-Dihydro-6,8-difluoro-1-ethyl-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid | ChEBI | | LFLX | ChEBI | | Lomefloxacine | ChEBI | | Lomefloxacino | ChEBI | | Lomefloxacinum | ChEBI | | (+-)-1-Ethyl-6,8-difluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylate | Generator | | 1,4-Dihydro-6,8-difluoro-1-ethyl-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylate | Generator | | Lomefloxacin hydrochloride | HMDB | | 1-Ethyl-6,8-difluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid | HMDB | | Ocacin | HMDB | | Décalogiflox | HMDB | | Logiflox | HMDB | | Okacin | HMDB | | Lomenfloxacin | HMDB | | Okacyn | HMDB | | Pharmacia brand 1 OF lomefloxacin hydrochloride | HMDB | | Maxaquin | HMDB | | Pharmacia brand 2 OF lomefloxacin hydrochloride | HMDB |
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| Chemical Formula | C17H19F2N3O3 |
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| Average Molecular Weight | 351.3479 |
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| Monoisotopic Molecular Weight | 351.139447899 |
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| IUPAC Name | 1-ethyl-6,8-difluoro-7-(3-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid |
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| Traditional Name | lomefloxacin |
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| CAS Registry Number | 98079-51-7 |
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| SMILES | CCN1C=C(C(O)=O)C(=O)C2=CC(F)=C(N3CCNC(C)C3)C(F)=C12 |
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| InChI Identifier | InChI=1S/C17H19F2N3O3/c1-3-21-8-11(17(24)25)16(23)10-6-12(18)15(13(19)14(10)21)22-5-4-20-9(2)7-22/h6,8-9,20H,3-5,7H2,1-2H3,(H,24,25) |
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| InChI Key | ZEKZLJVOYLTDKK-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as monobactams. Monobactams are compounds comprising beta-lactam ring is alone and not fused to another ring. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Lactams |
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| Sub Class | Beta lactams |
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| Direct Parent | Monobactams |
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| Alternative Parents | |
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| Substituents | - Monobactam
- 1-phenylazetidine
- 2-phenylazetidine
- 1-hydroxy-2-unsubstituted benzenoid
- Fluorobenzene
- Halobenzene
- Phenol
- Aryl fluoride
- Aryl halide
- Monocyclic benzene moiety
- Benzenoid
- Tertiary carboxylic acid amide
- Azetidine
- Carboxamide group
- Secondary alcohol
- Azacycle
- Carboxylic acid derivative
- Organonitrogen compound
- Organofluoride
- Organohalogen compound
- Hydrocarbon derivative
- Organic oxide
- Carbonyl group
- Organopnictogen compound
- Alcohol
- Organic oxygen compound
- Organooxygen compound
- Aromatic alcohol
- Organic nitrogen compound
- Aromatic heteromonocyclic compound
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| Molecular Framework | Aromatic heteromonocyclic 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 | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 239 - 240.5 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 0.11 g/L | Not Available | | LogP | 2.8 | 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. | 3.67 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.0003 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.36 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 157.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 831.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 199.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 115.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 161.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 62.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 300.5 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 | 335.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 326.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 654.7 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 213.0 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 | 909.0 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 180.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 238.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 400.6 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 414.6 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 | 37.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Lomefloxacin,1TMS,isomer #1 | CCN1C=C(C(=O)O[Si](C)(C)C)C(=O)C2=CC(F)=C(N3CCNC(C)C3)C(F)=C21 | 2805.8 | Semi standard non polar | 33892256 | | Lomefloxacin,1TMS,isomer #2 | CCN1C=C(C(=O)O)C(=O)C2=CC(F)=C(N3CCN([Si](C)(C)C)C(C)C3)C(F)=C21 | 2904.7 | Semi standard non polar | 33892256 | | Lomefloxacin,2TMS,isomer #1 | CCN1C=C(C(=O)O[Si](C)(C)C)C(=O)C2=CC(F)=C(N3CCN([Si](C)(C)C)C(C)C3)C(F)=C21 | 2828.4 | Semi standard non polar | 33892256 | | Lomefloxacin,2TMS,isomer #1 | CCN1C=C(C(=O)O[Si](C)(C)C)C(=O)C2=CC(F)=C(N3CCN([Si](C)(C)C)C(C)C3)C(F)=C21 | 2762.6 | Standard non polar | 33892256 | | Lomefloxacin,2TMS,isomer #1 | CCN1C=C(C(=O)O[Si](C)(C)C)C(=O)C2=CC(F)=C(N3CCN([Si](C)(C)C)C(C)C3)C(F)=C21 | 3275.9 | Standard polar | 33892256 | | Lomefloxacin,1TBDMS,isomer #1 | CCN1C=C(C(=O)O[Si](C)(C)C(C)(C)C)C(=O)C2=CC(F)=C(N3CCNC(C)C3)C(F)=C21 | 3001.6 | Semi standard non polar | 33892256 | | Lomefloxacin,1TBDMS,isomer #2 | CCN1C=C(C(=O)O)C(=O)C2=CC(F)=C(N3CCN([Si](C)(C)C(C)(C)C)C(C)C3)C(F)=C21 | 3114.8 | Semi standard non polar | 33892256 | | Lomefloxacin,2TBDMS,isomer #1 | CCN1C=C(C(=O)O[Si](C)(C)C(C)(C)C)C(=O)C2=CC(F)=C(N3CCN([Si](C)(C)C(C)(C)C)C(C)C3)C(F)=C21 | 3252.5 | Semi standard non polar | 33892256 | | Lomefloxacin,2TBDMS,isomer #1 | CCN1C=C(C(=O)O[Si](C)(C)C(C)(C)C)C(=O)C2=CC(F)=C(N3CCN([Si](C)(C)C(C)(C)C)C(C)C3)C(F)=C21 | 3143.6 | Standard non polar | 33892256 | | Lomefloxacin,2TBDMS,isomer #1 | CCN1C=C(C(=O)O[Si](C)(C)C(C)(C)C)C(=O)C2=CC(F)=C(N3CCN([Si](C)(C)C(C)(C)C)C(C)C3)C(F)=C21 | 3455.3 | 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 - Lomefloxacin GC-MS (Non-derivatized) - 70eV, Positive | splash10-0076-0059000000-9a020873d71afda0852e | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Lomefloxacin GC-MS (1 TMS) - 70eV, Positive | splash10-0a4i-2146900000-42b37b0f4d359398913c | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Lomefloxacin 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 - Lomefloxacin 10V, Positive-QTOF | splash10-0udi-0009000000-a43b3d54ac0a38633f6b | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 20V, Positive-QTOF | splash10-0pir-3029000000-16497a4c27f71f504961 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 40V, Positive-QTOF | splash10-0zml-5090000000-69ee2ed1785a83a7efaf | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 10V, Negative-QTOF | splash10-0pb9-0009000000-f451e33ca1450f3c318c | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 20V, Negative-QTOF | splash10-0a4r-2089000000-c691d19f5e309e23e2d1 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 40V, Negative-QTOF | splash10-0a4i-9040000000-8eea8088e8777a3cdacb | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 10V, Positive-QTOF | splash10-0udi-0009000000-7258981d354fc72fb9dd | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 20V, Positive-QTOF | splash10-001i-0009000000-ee8d89a838e68a0a2cb1 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 40V, Positive-QTOF | splash10-0a4i-5059000000-f0e2d4b268337790a2af | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 10V, Negative-QTOF | splash10-0zg0-0049000000-dfb7af6faa9a0d289aa7 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 20V, Negative-QTOF | splash10-0550-0094000000-c2059c294fb1be76130f | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lomefloxacin 40V, Negative-QTOF | splash10-004r-0090000000-b404fb16e16898bd86b5 | 2021-10-11 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum |
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