Thiamylal

Thiamylal
Clinical data
Other names	Thiamylal, Thioseconal, Surital
AHFS/Drugs.com	International Drug Names
ATCvet code	QN01AF90 (WHO) ;
Legal status
Legal status	CA: Schedule IV ; US: Schedule III ;
Pharmacokinetic data
Metabolism	Hepatic
Elimination half-life	14.3 h (cats)
Identifiers
	IUPAC name 5-(Pentan-2-yl)-5-(prop-2-en-1-yl)-2-sulfanylidenedihydropyrimidine-4,6(1H,5H)-dione;
CAS Number	77-27-0 ;
PubChem CID	3032285;
IUPHAR/BPS	7305;
DrugBank	DB01154 ;
ChemSpider	2297298 ;
UNII	01T23W89FR;
KEGG	D06106 ;
ChEBI	CHEBI:9536 ;
ChEMBL	ChEMBL440 ;
CompTox Dashboard (EPA)	DTXSID3048441 ;
ECHA InfoCard	100.000.927
Chemical and physical data
Formula	C12H18N2O2S
Molar mass	254.35 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C1NC(=S)NC(=O)C1(C(C)CCC)C\C=C;
	InChI 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) ; Key:XLOMZPUITCYLMJ-UHFFFAOYSA-N ;

Thiamylal (Surital) is a barbiturate derivative invented in the 1950s. It has sedative, anticonvulsant, and hypnotic effects, and is used as a strong but short acting sedative. Thiamylal is still in current use, primarily for induction in surgical anaesthesia^[1] or as an anticonvulsant to counteract side effects from other anaesthetics.^[2] It is the thiobarbiturate analogue of secobarbital.

References[]

^ Hsieh MY, Hung GY, Hsieh YL, Chang CY, Hwang B (2005). "Deep sedation with methohexital or thiamylal with midazolam for invasive procedures in children with acute lymphoblastic leukemia". Acta Paediatrica Taiwanica = Taiwan Er Ke Yi Xue Hui Za Zhi. 46 (5): 294–300. PMID 16640004.
^ Tsai CJ, Wang HM, Lu IC, Tai CF, Wang LF, Soo LY, Lu DV (February 2007). "Seizure after local anesthesia for nasopharyngeal angiofibroma". The Kaohsiung Journal of Medical Sciences. 23 (2): 97–100. doi:10.1016/S1607-551X(09)70383-3. PMID 17339174.

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[pmid16640004-1] Hsieh MY, Hung GY, Hsieh YL, Chang CY, Hwang B (2005). "Deep sedation with methohexital or thiamylal with midazolam for invasive procedures in children with acute lymphoblastic leukemia". Acta Paediatrica Taiwanica = Taiwan Er Ke Yi Xue Hui Za Zhi. 46 (5): 294–300. PMID 16640004.

[pmid17339174-2] Tsai CJ, Wang HM, Lu IC, Tai CF, Wang LF, Soo LY, Lu DV (February 2007). "Seizure after local anesthesia for nasopharyngeal angiofibroma". The Kaohsiung Journal of Medical Sciences. 23 (2): 97–100. doi:10.1016/S1607-551X(09)70383-3. PMID 17339174.

[1]

[2]

v t GABA_A receptor positive modulators
Alcohols	Butanol Chloralodol Chlorobutanol (cloretone) Ethanol (alcohol) (alcoholic drink) Ethchlorvynol Isobutanol Isopropanol Menthol Methanol Methylpentynol Pentanol Petrichloral Propanol tert-Butanol (2M2P) tert-Pentanol (2M2B) Tribromoethanol Trichloroethanol Triclofos Trifluoroethanol
Barbiturates	Allobarbital Alphenal Amobarbital Aprobarbital Barbexaclone Barbital Benzobarbital Benzylbutylbarbiturate Brallobarbital Brophebarbital Butabarbital/Secbutabarbital Butalbital Buthalital Butobarbital Butallylonal Carbubarb Crotylbarbital Cyclobarbital Cyclopentobarbital Difebarbamate Enallylpropymal Ethallobarbital Eterobarb Febarbamate Heptabarb Heptobarbital Hexethal Hexobarbital Metharbital Methitural Methohexital Methylphenobarbital Narcobarbital Nealbarbital Pentobarbital Phenallymal Phenobarbital Phetharbital Primidone Probarbital Propallylonal Propylbarbital Proxibarbital Reposal Secobarbital Sigmodal Spirobarbital Talbutal Tetrabamate Tetrabarbital Thialbarbital Thiamylal Thiobarbital Thiobutabarbital Thiopental Thiotetrabarbital Valofane Vinbarbital Vinylbital
Benzodiazepines	2-Oxoquazepam 3-Hydroxyphenazepam Adinazolam Alprazolam Arfendazam Avizafone Bentazepam Bretazenil Bromazepam Brotizolam Camazepam Carburazepam Chlordiazepoxide Ciclotizolam Cinazepam Cinolazepam Clazolam Climazolam Clobazam Clonazepam Clonazolam Cloniprazepam Clorazepate Clotiazepam Cloxazolam CP-1414S Cyprazepam Delorazepam Demoxepam Diazepam Diclazepam Doxefazepam Elfazepam Estazolam Ethyl carfluzepate Ethyl dirazepate Ethyl loflazepate Etizolam EVT-201 FG-8205 Fletazepam Flubromazepam Flubromazolam Fludiazepam Flunitrazepam Flunitrazolam Flurazepam Flutazolam Flutemazepam Flutoprazepam Fosazepam Gidazepam Halazepam Haloxazolam Iclazepam Imidazenil Irazepine Ketazolam Lofendazam Lopirazepam Loprazolam Lorazepam Lormetazepam Meclonazepam Medazepam Menitrazepam Metaclazepam Mexazolam Midazolam Motrazepam N-Desalkylflurazepam Nifoxipam Nimetazepam Nitrazepam Nitrazepate Nitrazolam Nordazepam Nortetrazepam Oxazepam Oxazolam Phenazepam Pinazepam Pivoxazepam Prazepam Premazepam Proflazepam Pyrazolam QH-II-66 Quazepam Reclazepam Remimazolam Rilmazafone Ripazepam Ro48-6791 Ro48-8684 SH-053-R-CH3-2′F Sulazepam Temazepam Tetrazepam Tolufazepam Triazolam Triflubazam Triflunordazepam (Ro5-2904) Tuclazepam Uldazepam Zapizolam Zolazepam Zomebazam
Carbamates	Carisbamate Carisoprodol Clocental Cyclarbamate Difebarbamate Emylcamate Ethinamate Febarbamate Felbamate Hexapropymate Hydroxyphenamate Lorbamate Mebutamate Meprobamate Nisobamate Pentabamate Phenprobamate Procymate Styramate Tetrabamate Tybamate
Flavonoids	Ampelopsin (dihydromyricetin) Apigenin Baicalein Baicalin Catechin EGC EGCG Hispidulin Luteolin Skullcap constituents (e.g., baicalin) Wogonin
Imidazoles	Etomidate Metomidate Propoxate
Kava constituents	Desmethoxyyangonin Kavain Methysticin Yangonin
Monoureides	Acecarbromal Apronal (apronalide) Bromisoval Carbromal
Neuroactive steroids	Acebrochol Allopregnanolone (brexanolone) Alfadolone Alfaxalone 3α-Androstanediol Androstenol Androsterone Certain anabolic-androgenic steroids Cholesterol DHDOC 3α-DHP 5α-DHP 5β-DHP DHT Etiocholanolone Ganaxolone Hydroxydione Minaxolone ORG-20599 ORG-21465 P1-185 Pregnanolone (eltanolone) Progesterone Renanolone Testosterone THDOC Zuranolone
Nonbenzodiazepines	Cyclopyrrolones: Eszopiclone Pagoclone Pazinaclone Suproclone Suriclone Zopiclone Imidazopyridines: Alpidem DS-1 Necopidem Saripidem Zolpidem Pyrazolopyrimidines: Divaplon Fasiplon Indiplon Lorediplon Ocinaplon Panadiplon Taniplon Zaleplon Others: Adipiplon CGS-8216 CGS-9896 CGS-13767 CGS-20625 CL-218,872 CP-615,003 ELB-139 GBLD-345 Imepitoin JM-1232 L-838,417 Lirequinil (Ro41-3696) NS-2664 NS-2710 NS-11394 Pipequaline ROD-188 RWJ-51204 SB-205,384 SX-3228 TP-003 TPA-023 TP-13 U-89843A U-90042 Viqualine Y-23684
Phenols	Fospropofol Propofol Thymol
Piperidinediones	Glutethimide Methyprylon Piperidione Pyrithyldione
Pyrazolopyridines	Cartazolate Etazolate ICI-190,622 Tracazolate
Quinazolinones	Afloqualone Cloroqualone Diproqualone Etaqualone Mebroqualone Mecloqualone Methaqualone Methylmethaqualone Nitromethaqualone SL-164
Volatiles/gases	Acetone Acetophenone Acetylglycinamide chloral hydrate Aliflurane Benzene Butane Butylene Centalun Chloral Chloral betaine Chloral hydrate Chloroform Cryofluorane Desflurane Dichloralphenazone Dichloromethane Diethyl ether Enflurane Ethyl chloride Ethylene Fluroxene Gasoline Halopropane Halothane Isoflurane Kerosine Methoxyflurane Methoxypropane Nitric oxide Nitrogen Nitrous oxide Norflurane Paraldehyde Propane Propylene Roflurane Sevoflurane Synthane Teflurane Toluene Trichloroethane (methyl chloroform) Trichloroethylene Vinyl ether
Others/unsorted	3-Hydroxybutanal Avermectins (e.g., ivermectin) Bromide compounds (e.g., lithium bromide, potassium bromide, sodium bromide) Carbamazepine Chloralose Chlormezanone Clomethiazole DEABL Dihydroergolines (e.g., dihydroergocryptine, , dihydroergotamine, ergoloid (dihydroergotoxine)) Efavirenz Etazepine Etifoxine Fenamates (e.g., flufenamic acid, mefenamic acid, niflumic acid, tolfenamic acid) Fluoxetine Flupirtine Hopantenic acid Lanthanum Lavender oil Lignans (e.g., 4-O-methylhonokiol, honokiol, magnolol, obovatol) Loreclezole Menthyl isovalerate (validolum) Monastrol Niacin Niacinamide Org 25,435 Phenytoin Propanidid Retigabine (ezogabine) Safranal Seproxetine Stiripentol (e.g., sulfonmethane (sulfonal), tetronal, trional) Terpenoids (e.g., borneol) Topiramate Valerian constituents (e.g., isovaleric acid, isovaleramide, valerenic acid, ) Unsorted benzodiazepine site positive modulators: α-Pinene
See also: Receptor/signaling modulators • GABA receptor modulators • GABA metabolism/transport modulators

v t Xenobiotic-sensing receptor modulators
CAR	Agonists: Amiodarone Artemisinin Carbamazepine Carvedilol Chlorpromazine Chrysin Clotrimazole Cyclophosphamide Cypermethrin DHEA (prasterone) Efavirenz Ellagic acid Griseofulvin Methoxychlor Mifepristone Nefazodone Nevirapine Nicardipine Permethrin Phenobarbital Phenytoin Pregnanedione (5β-dihydroprogesterone) Reserpine Telmisartan Tolnaftate Troglitazone Valproic acid Antagonists: 3α-Androstenol AITC Ethinylestradiol Meclizine Okadaic acid PK-11195
PXR	Agonists: 17α-Hydroxypregnenolone 17α-Hydroxyprogesterone Δ⁴-Androstenedione Δ⁵-Androstenediol Δ⁵-Androstenedione Allopregnanediol Allopregnanedione (5α-dihydroprogesterone) Allopregnanolone (brexanolone) Alpha-Lipoic acid Ambrisentan AMI-193 Amlodipine besylate Antimycotics Artemisinin Aurothioglucose Bile acids Bithionol Bosentan Cafestol Cephaloridine Cephradine Chlorpromazine Ciglitazone Clindamycin Clofenvinfos Chloroxine Clotrimazole Colforsin Corticosterone Cyclophosphamide Cyproterone acetate Demecolcine Dexamethasone DHEA (prasterone) DHEA-S (prasterone sulfate) Dibunate sodium Diclazuril Dicloxacillin Dimercaprol Docetaxel Docusate calcium Dodecylbenzenesulfonic acid Dronabinol Droxidopa Eburnamonine Ecopipam Enzacamene Epothilone B Erythromycin Famprofazone Felodipine Fenbendazole Fentanyl Flucloxacillin Fluorometholone Griseofulvin Guggulsterone Haloprogin Hetacillin potassium Hyperforin Hypericum perforatum (St John's wort) Indinavir sulfate Lasalocid sodium Levothyroxine Linolenic acid Loratadine Lovastatin Meclizine Metacycline Methylprednisolone Metyrapone Mevastatin Mifepristone Nafcillin Nicardipine Nicotine Nifedipine Nilvadipine Nisoldipine Norelgestromin Omeprazole Orlistat Oxatomide Paclitaxel Phenobarbital Piperine Plicamycin Prednisolone Pregnanediol Pregnanedione (5β-dihydroprogesterone) Pregnanolone Pregnenolone Pregnenolone 16α-carbonitrile Proadifen Progesterone Quingestrone Reserpine Reverse triiodothyronine Rifampicin Rifaximin Rimexolone Riodipine Ritonavir Simvastatin Sirolimus Spironolactone Spiroxatrine Sulfisoxazole Suramin Tacrolimus Terconazole Testosterone isocaproate Tetracycline Thiamylal sodium Thiothixene Thonzonium bromide Tianeptine Troglitazone Troleandomycin Zafirlukast Zeranol Antagonists: Ketoconazole Sesamin
See also Receptor/signaling modulators