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 02:51:55 UTC |
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HMDB ID | HMDB0015285 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Thiamylal |
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Description | Thiamylal is only found in individuals that have used or taken this drug. It is a barbiturate that is administered intravenously for the production of complete anesthesia of short duration, for the induction of general anesthesia, or for inducing a hypnotic state. (From Martindale, The Extra Pharmacopoeia, 30th ed, p919)Thiamylal binds at a distinct binding site associated with a Cl- ionopore at the GABAA receptor, increasing the duration of time for which the Cl- ionopore is open. The post-synaptic inhibitory effect of GABA in the thalamus is, therefore, prolonged. |
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Structure | CCCC(C)C1(CC=C)C(=O)NC(=S)NC1=O InChI=1S/C12H18N2O2S/c1-4-6-8(3)12(7-5-2)9(15)13-11(17)14-10(12)16/h5,8H,2,4,6-7H2,1,3H3,(H2,13,14,15,16,17) |
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Synonyms | Value | Source |
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5-Allyl-5-(1-methylbutyl)-2-thiobarbituric acid | ChEBI | 5-Allyl-5-(1-methylbutyl)-2-thioxodihydro-4,6(1H,5H)-pyrimidinedione | ChEBI | 5-Allyl-5-(1-methylbutyl)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione | ChEBI | Dihydro-5-(1-methylbutyl)-5-(2-propenyl)-2-thioxo-4,6(1H,5H)-pyrimidinedione | ChEBI | Thioseconal | ChEBI | 5-Allyl-5-(1-methylbutyl)-2-thiobarbitate | Generator | 5-Allyl-5-(1-methylbutyl)-2-thiobarbitic acid | Generator | Parke davis brand OF thiamylal sodium | HMDB | Thioquinalbarbitone | HMDB | Sodium, thiamylal | HMDB | Surital | HMDB | Thiamylal sodium | HMDB |
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Chemical Formula | C12H18N2O2S |
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Average Molecular Weight | 254.349 |
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Monoisotopic Molecular Weight | 254.10889852 |
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IUPAC Name | 5-(pentan-2-yl)-5-(prop-2-en-1-yl)-2-sulfanylidene-1,3-diazinane-4,6-dione |
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Traditional Name | thiamylal |
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CAS Registry Number | 77-27-0 |
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SMILES | CCCC(C)C1(CC=C)C(=O)NC(=S)NC1=O |
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InChI Identifier | InChI=1S/C12H18N2O2S/c1-4-6-8(3)12(7-5-2)9(15)13-11(17)14-10(12)16/h5,8H,2,4,6-7H2,1,3H3,(H2,13,14,15,16,17) |
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InChI Key | XLOMZPUITCYLMJ-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as thiobarbituric acid derivatives. These are organic compounds containing a 2-thioxodihydropyrimidine-4,6(1H,5H)-dione skeleton. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Diazines |
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Sub Class | Pyrimidines and pyrimidine derivatives |
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Direct Parent | Thiobarbituric acid derivatives |
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Alternative Parents | |
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Substituents | - Thiobarbiturate
- 1,3-diazinane
- Thiourea
- Azacycle
- Carboxylic acid derivative
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organosulfur compound
- Organooxygen compound
- Organonitrogen compound
- Carbonyl group
- Aliphatic heteromonocyclic compound
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Molecular Framework | Aliphatic 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 | 132 - 133 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | 0.051 g/L | Not Available | LogP | 2.5 | 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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Thiamylal,1TMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)NC(=S)N([Si](C)(C)C)C1=O | 1925.5 | Semi standard non polar | 33892256 | Thiamylal,1TMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)NC(=S)N([Si](C)(C)C)C1=O | 2062.7 | Standard non polar | 33892256 | Thiamylal,1TMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)NC(=S)N([Si](C)(C)C)C1=O | 3131.0 | Standard polar | 33892256 | Thiamylal,2TMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)N([Si](C)(C)C)C(=S)N([Si](C)(C)C)C1=O | 1908.0 | Semi standard non polar | 33892256 | Thiamylal,2TMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)N([Si](C)(C)C)C(=S)N([Si](C)(C)C)C1=O | 2089.6 | Standard non polar | 33892256 | Thiamylal,2TMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)N([Si](C)(C)C)C(=S)N([Si](C)(C)C)C1=O | 2618.0 | Standard polar | 33892256 | Thiamylal,1TBDMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)NC(=S)N([Si](C)(C)C(C)(C)C)C1=O | 2109.4 | Semi standard non polar | 33892256 | Thiamylal,1TBDMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)NC(=S)N([Si](C)(C)C(C)(C)C)C1=O | 2286.6 | Standard non polar | 33892256 | Thiamylal,1TBDMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)NC(=S)N([Si](C)(C)C(C)(C)C)C1=O | 3151.4 | Standard polar | 33892256 | Thiamylal,2TBDMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)N([Si](C)(C)C(C)(C)C)C(=S)N([Si](C)(C)C(C)(C)C)C1=O | 2338.5 | Semi standard non polar | 33892256 | Thiamylal,2TBDMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)N([Si](C)(C)C(C)(C)C)C(=S)N([Si](C)(C)C(C)(C)C)C1=O | 2510.1 | Standard non polar | 33892256 | Thiamylal,2TBDMS,isomer #1 | C=CCC1(C(C)CCC)C(=O)N([Si](C)(C)C(C)(C)C)C(=S)N([Si](C)(C)C(C)(C)C)C1=O | 2723.6 | Standard polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental GC-MS | GC-MS Spectrum - Thiamylal CI-B (Non-derivatized) | splash10-0a4i-0090000000-8766fbc86b0e4f9df12c | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Thiamylal CI-B (Non-derivatized) | splash10-0a4i-0090000000-8766fbc86b0e4f9df12c | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Thiamylal GC-MS (Non-derivatized) - 70eV, Positive | splash10-01y6-9270000000-c654329959eddd973209 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Thiamylal 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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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 10V, Positive-QTOF | splash10-0a4i-1190000000-0e3bd0fbb412c080adfc | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 20V, Positive-QTOF | splash10-0909-1790000000-b4f2b35dea5c7d7b95f2 | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 40V, Positive-QTOF | splash10-008c-9200000000-b0f2760a6b889d0deb0d | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 10V, Negative-QTOF | splash10-0w29-2490000000-c2215a8fd83ef9a5da9c | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 20V, Negative-QTOF | splash10-0a4i-9010000000-a4d75b8b0d44951d26fb | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 40V, Negative-QTOF | splash10-0a4i-9200000000-7598e665b19cdbc1f0d3 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 10V, Positive-QTOF | splash10-052r-0960000000-7fcdb946d222ec5772f4 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 20V, Positive-QTOF | splash10-0a4r-1970000000-920b6209dda20032e20c | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 40V, Positive-QTOF | splash10-01c9-3900000000-1d0ac0f9a99fbc906469 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 10V, Negative-QTOF | splash10-0udi-0090000000-5f9d4ba9eb406a9469e2 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 20V, Negative-QTOF | splash10-052f-9120000000-7d2c2f1d657b97b34a50 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Thiamylal 40V, Negative-QTOF | splash10-0a4i-9500000000-32f064b826d15da527c1 | 2021-10-11 | Wishart Lab | View Spectrum |
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