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TBPS[ 1]
Names
Preferred IUPAC name
4-tert -Butyl-2,6,7-trioxa-1λ5 -phosphabicyclo[2.2.2]octane-1-thione
Identifiers
ChEMBL
ChemSpider
KEGG
InChI=1S/C8H15O3PS/c1-7(2,3)8-4-9-12(13,10-5-8)11-6-8/h4-6H2,1-3H3
Key: VTBHBNXGFPTBJL-UHFFFAOYSA-N
CC(C)(C)C12COP(=S)(OC1)OC2
Properties
C 8 H 15 O 3 P S
Molar mass
222.24 g·mol−1
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Extremely toxic
Lethal dose or concentration (LD, LC):
53 μg/kg (mice)[ 2]
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
TBPS (tert -butylbicyclophosphorothionate ) is a bicyclic phosphate convulsant .[ 3] It is an extremely potent GABA receptor antagonist .[ 4] [ 5]
See also
References
^ "tert-Butyl bicyclo[2.2.2]phosphorothionate" .
^ Milbrath, Dean S.; Engel, Judith L.; Verkade, John G.; Casida, John E. (February 1979). "Structure-toxicity relationships of 1-substituted-4-alkyl-2,6,7-trioxabicyclo[2.2.2.]octanes". Toxicology and Applied Pharmacology . 47 (2): 287–293. doi :10.1016/0041-008x(79)90323-5 . PMID 452023 .
^ Trifiletti, Rosario R; Snowman, Adele M; Snyder, Solomon H (1984). "Solubilization and anionic regulation of cerebral sedative and convulsant receptors labeled with [35 S] tert -butylbicyclophosphorothionate (TBPS)". Biochemical and Biophysical Research Communications . 120 (2): 692–9. doi :10.1016/0006-291x(84)91311-1 . PMID 6329179 .
^ Atack, J R; Ohashi, Y; McKernan, R M (2009). "Characterization of [35S]t-butylbicyclophosphorothionate ([35S]TBPS) binding to GABAA receptors in postmortem human brain" . British Journal of Pharmacology . 150 (8): 1066–74. doi :10.1038/sj.bjp.0707186 . PMC 2013908 . PMID 17339834 .
^ Im, Wha Bin; Pregenzer, Jeffrey F; Thomsen, Darrel R (1994). "Effects of GABA and various allosteric ligands on TBPS binding to cloned rat GABAA receptor subtypes" . British Journal of Pharmacology . 112 (4): 1025–30. doi :10.1111/j.1476-5381.1994.tb13185.x . PMC 1910256 . PMID 7952860 .
Ionotropic
GABAA Tooltip γ-Aminobutyric acid A receptor
Positive modulators (abridged; see here for a full list): α-EMTBL
Alcohols (e.g., drinking alcohol , 2M2B )
Anabolic steroids
Avermectins (e.g., ivermectin )
Barbiturates (e.g., phenobarbital )
Benzodiazepines (e.g., diazepam )
Bromide compounds (e.g., potassium bromide )
Carbamates (e.g., meprobamate )
Carbamazepine
Chloralose
Chlormezanone
Clomethiazole
Dihydroergolines (e.g., ergoloid (dihydroergotoxine) )
Etazepine
Etifoxine
Fenamates (e.g., mefenamic acid )
Flavonoids (e.g., apigenin , hispidulin )
Fluoxetine
Flupirtine
Imidazoles (e.g., etomidate )
Kava constituents (e.g., kavain )
Lanthanum
Loreclezole
Monastrol
Neuroactive steroids (e.g., allopregnanolone , cholesterol , THDOC )
Niacin
Niacinamide
Nonbenzodiazepines (e.g., β-carbolines (e.g., abecarnil ), cyclopyrrolones (e.g., zopiclone ), imidazopyridines (e.g., zolpidem ), pyrazolopyrimidines (e.g., zaleplon ))
Norfluoxetine
Petrichloral
Phenols (e.g., propofol )
Phenytoin
Piperidinediones (e.g., glutethimide )
Propanidid
Pyrazolopyridines (e.g., etazolate )
Quinazolinones (e.g., methaqualone )
Retigabine (ezogabine)
ROD-188
Skullcap constituents (e.g., baicalin )
Stiripentol
Sulfonylalkanes (e.g., sulfonmethane (sulfonal) )
Topiramate
Valerian constituents (e.g., valerenic acid )
Volatiles /gases (e.g., chloral hydrate , chloroform , diethyl ether , paraldehyde , sevoflurane )
Negative modulators: 1,3M1B
3M2B
11-Ketoprogesterone
17-Phenylandrostenol
α3IA
α5IA (LS-193,268)
β-CCB
β-CCE
β-CCM
β-CCP
β-EMGBL
Anabolic steroids
Amiloride
Anisatin
β-Lactams (e.g., penicillins , cephalosporins , carbapenems )
Basmisanil
Bemegride
Bicyclic phosphates (TBPS , TBPO , IPTBO )
BIDN
Bilobalide
Bupropion
CHEB
Chlorophenylsilatrane
Cicutoxin
Cloflubicyne
Cyclothiazide
DHEA
DHEA-S
Dieldrin
(+)-DMBB
DMCM
DMPC
EBOB
Etbicyphat
FG-7142 (ZK-31906)
Fiproles (e.g., fipronil )
Flavonoids (e.g., amentoflavone , oroxylin A )
Flumazenil
Fluoroquinolones (e.g., ciprofloxacin )
Flurothyl
Furosemide
Golexanolone
Iomazenil (123 I)
IPTBO
Isopregnanolone (sepranolone)
L-655,708
Laudanosine
Lindane
MaxiPost
Morphine
Morphine-3-glucuronide
MRK-016
Naloxone
Naltrexone
Nicardipine
Nonsteroidal antiandrogens (e.g., apalutamide , bicalutamide , enzalutamide , flutamide , nilutamide )
Oenanthotoxin
Pentylenetetrazol (pentetrazol)
Phenylsilatrane
Picrotoxin (i.e., picrotin , picrotoxinin and dihydropicrotoxinin )
Pregnenolone sulfate
Propybicyphat
PWZ-029
Radequinil
Ro 15-4513
Ro 19-4603
RO4882224
RO4938581
Sarmazenil
SCS
Suritozole
TB-21007
TBOB
TBPS
TCS-1105
Terbequinil
TETS
Thujone
U-93631
Zinc
ZK-93426
GABAA -ρ Tooltip γ-Aminobutyric acid A-rho receptor
Metabotropic
GABAB Tooltip γ-Aminobutyric acid B receptor