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 15:16:50 UTC |
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Update Date | 2022-03-07 02:51:46 UTC |
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HMDB ID | HMDB0014882 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Zileuton |
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Description | Leukotrienes are substances that induce numerous biological effects including augmentation of neutrophil and eosinophil migration, neutrophil and monocyte aggregation, leukocyte adhesion, increased capillary permeability, and smooth muscle contraction. These effects contribute to inflammation, edema, mucus secretion, and bronchoconstriction in the airways of asthmatic patients. Zileuton relieves such symptoms through its selective inhibition of 5-lipoxygenase, the enzyme that catalyzes the formation of leukotrienes from arachidonic acid. Specifically, it inhibits leukotriene LTB4, LTC4, LTD4, and LTE4 formation. Both the R(+) and S(-) enantiomers are pharmacologically active as 5-lipoxygenase inhibitors in in vitro systems. |
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Structure | CC(N(O)C(N)=O)C1=CC2=CC=CC=C2S1 InChI=1S/C11H12N2O2S/c1-7(13(15)11(12)14)10-6-8-4-2-3-5-9(8)16-10/h2-7,15H,1H3,(H2,12,14) |
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Synonyms | Value | Source |
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(+-)-1-(1-Benzo[b]thien-2-ylethyl)-1-hydroxyurea | ChEBI | Leutrol | ChEBI | N-(1-Benzo(b)thien-2-ylethyl)-N-hydroxyurea | ChEBI | N-[1-(Benzo[b]thiophen-2-yl)ethyl]-N-hydroxyurea | ChEBI | Zileutonum | ChEBI | Zyflo | ChEBI | Abbot 64077 | HMDB |
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Chemical Formula | C11H12N2O2S |
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Average Molecular Weight | 236.29 |
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Monoisotopic Molecular Weight | 236.061948328 |
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IUPAC Name | 1-[1-(1-benzothiophen-2-yl)ethyl]-1-hydroxyurea |
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Traditional Name | zileuton |
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CAS Registry Number | 111406-87-2 |
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SMILES | CC(N(O)C(N)=O)C1=CC2=CC=CC=C2S1 |
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InChI Identifier | InChI=1S/C11H12N2O2S/c1-7(13(15)11(12)14)10-6-8-4-2-3-5-9(8)16-10/h2-7,15H,1H3,(H2,12,14) |
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InChI Key | MWLSOWXNZPKENC-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as 1-benzothiophenes. These are aromatic heterocyclic compound containing the Benzo[b]thiophene ring system. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Benzothiophenes |
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Sub Class | 1-benzothiophenes |
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Direct Parent | 1-benzothiophenes |
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Alternative Parents | |
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Substituents | - 1-benzothiophene
- 2,3,5-trisubstituted thiophene
- Benzenoid
- Heteroaromatic compound
- Thiophene
- Carbonic acid derivative
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Carbonyl group
- 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 | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | 144.2 - 145.2 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | 0.054 g/L | Not Available | LogP | 0.9 | 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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Zileuton,1TMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N[Si](C)(C)C | 2191.4 | Semi standard non polar | 33892256 | Zileuton,1TMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N[Si](C)(C)C | 2219.7 | Standard non polar | 33892256 | Zileuton,1TMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N[Si](C)(C)C | 3186.9 | Standard polar | 33892256 | Zileuton,2TMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N([Si](C)(C)C)[Si](C)(C)C | 2246.4 | Semi standard non polar | 33892256 | Zileuton,2TMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N([Si](C)(C)C)[Si](C)(C)C | 2343.4 | Standard non polar | 33892256 | Zileuton,2TMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N([Si](C)(C)C)[Si](C)(C)C | 2890.0 | Standard polar | 33892256 | Zileuton,1TBDMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N[Si](C)(C)C(C)(C)C | 2443.6 | Semi standard non polar | 33892256 | Zileuton,1TBDMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N[Si](C)(C)C(C)(C)C | 2405.0 | Standard non polar | 33892256 | Zileuton,1TBDMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N[Si](C)(C)C(C)(C)C | 3224.1 | Standard polar | 33892256 | Zileuton,2TBDMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2698.2 | Semi standard non polar | 33892256 | Zileuton,2TBDMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2683.4 | Standard non polar | 33892256 | Zileuton,2TBDMS,isomer #1 | CC(C1=CC2=CC=CC=C2S1)N(O)C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2983.5 | 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 - Zileuton GC-MS (Non-derivatized) - 70eV, Positive | splash10-01ox-5900000000-908922c27d630436d92c | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Zileuton GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental LC-MS/MS | LC-MS/MS Spectrum - Zileuton 35V, Positive-QTOF | splash10-03di-0900000000-e9bb299df09f1a4bd261 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Zileuton 35V, Negative-QTOF | splash10-0006-9420000000-25fe799bd1579e6c70e7 | 2021-09-20 | HMDB team, MONA | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 10V, Positive-QTOF | splash10-000l-0890000000-11bd11a737d7518926f3 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 20V, Positive-QTOF | splash10-01p6-3950000000-6c73d72fe4a0c46d1d46 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 40V, Positive-QTOF | splash10-03dr-3900000000-bbd6a4285b05c7584d16 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 10V, Negative-QTOF | splash10-0006-8950000000-009b3f6f4b890a437b14 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 20V, Negative-QTOF | splash10-0006-7920000000-b16eff6e7f5c11222359 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 40V, Negative-QTOF | splash10-0006-9500000000-ddee52c368588e30fb4a | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 10V, Positive-QTOF | splash10-03di-0900000000-9a8f24b5e7475646d26f | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 20V, Positive-QTOF | splash10-03di-0900000000-1edc93b959a49e8d51e4 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 40V, Positive-QTOF | splash10-06r6-2900000000-5118f97aeab8b353956f | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 10V, Negative-QTOF | splash10-0006-9100000000-057eaef1fb4e4e66fe8b | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 20V, Negative-QTOF | splash10-001l-3900000000-5ba80581ea5127376812 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Zileuton 40V, Negative-QTOF | splash10-000x-9600000000-17761becea77a94b9db1 | 2021-10-11 | Wishart Lab | View Spectrum |
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General References | - Berger W, De Chandt MT, Cairns CB: Zileuton: clinical implications of 5-Lipoxygenase inhibition in severe airway disease. Int J Clin Pract. 2007 Apr;61(4):663-76. [PubMed:17394438 ]
- Wenzel SE, Kamada AK: Zileuton: the first 5-lipoxygenase inhibitor for the treatment of asthma. Ann Pharmacother. 1996 Jul-Aug;30(7-8):858-64. [PubMed:8826571 ]
- Malo PE, Bell RL, Shaughnessy TK, Summers JB, Brooks DW, Carter GW: The 5-lipoxygenase inhibitory activity of zileuton in in vitro and in vivo models of antigen-induced airway anaphylaxis. Pulm Pharmacol. 1994 Apr;7(2):73-9. [PubMed:8081074 ]
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