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Ro 3-0422

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Ro 3-0422
Names

Preferred IUPAC name 3-[(Diethoxyphosphoryl)oxy]-1-methylquinolin-1-ium methyl sulfate
Other names 3-(Diethoxyphosphinyloxy)-1-methylquinolinium methylsulfate
Identifiers
CAS Number	5823-09-6^Y
3D model (JSmol)	Interactive image
ChemSpider	174347
PubChem CID	201356
UNII	C7KH7R89YX
CompTox Dashboard(EPA)	DTXSID80206962
InChI InChI=1S/C14H19NO4P.CH4O4S/c1-4-17-20(16,18-5-2)19-13-10-12-8-6-7-9-14(12)15(3)11-13;1-5-6(2,3)4/h6-11H,4-5H2,1-3H3;1H3,(H,2,3,4)/q+1;/p-1 Key: YIGJQDOVGHXIJZ-UHFFFAOYSA-M
SMILES CCOP(=O)(OCC)Oc1cc2ccccc2[n+](c1)C.COS(=O)(=O)[O-]
Properties
Chemical formula	C₁₅H₂₂NO₈PS
Molar mass	407.37 g·mol⁻¹
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Extremely toxic
Lethal dose or concentration (LD, LC):
LD₅₀ (median dose)	20 μg/kg (mice, intravenous)
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chemical compound

Ro 3-0422 is an extremely potentorganophosphate acetylcholinesterase inhibitor. It is extremely toxic. The intravenousLD₅₀ is 20 μg/kg in mice.^[1] It is over 300 times more potent thanneostigmine.^[2]

References

[edit]

^HOBBIGER, F (June 1954)."The inhibition of cholinesterases by 3-(diethoxyphosphinyloxy)-N-methylquinolinium methylsulphate and its tertiary base".British Journal of Pharmacology and Chemotherapy.9 (2):159–65.doi:10.1111/j.1476-5381.1954.tb00835.x.PMC 1509437.PMID 13172424.
^Andrews, K. J. M.; Atherton, F. R.; Bergel, F.; Morrison, A. L. (1954). "Hydroxypyridine and hydroxyquinoline phosphates as anti-cholinesterases".Journal of the Chemical Society (Resumed): 1638.doi:10.1039/jr9540001638.

Acetylcholine metabolism andtransport modulators

Enzyme
(modulators)

ChATTooltip Choline acetyltransferase	Inhibitors:1-(-Benzoylethyl)pyridinium 2-(α-Naphthoyl)ethyltrimethylammonium 3-Chloro-4-stillbazole 4-(1-Naphthylvinyl)pyridine Acetylseco hemicholinium-3 Acryloylcholine AF64A B115 BETA CM-54,903 N,N-Dimethylaminoethylacrylate N,N-Dimethylaminoethylchloroacetate
AChETooltip Acetylcholinesterase	Inhibitors:Reversible: Carbamates:Aldicarb Aminocarb Bendiocarb Bufencarb Carbaryl Carbendazim Carbetamide Carbofuran Carbosulfan Chlorbufam Chloropropham Dimetilan Ethienocarb Ethiofencarb Fenobucarb Formetanate Formparanate Methiocarb Methomyl Metolcarb Miotine Oxamyl Phenmedipham Pinmicarb Pirimicarb Promecarb Propamocarb Propham Propoxur Thiodicarb Thiofanox; Stigmines:Distigmine Eptastigmine Ganstigmine Neostigmine +glycopyrronium bromide Phenserine Physostigmine Pyridostigmine Quilostigmine Rivastigmine Terestigmine; Others:Acotiamide Ambenonium Caffeine Donepezil EA-3990 EA-4056 Edrophonium Galantamine Huperzine A Huperzine B Huprine W Huprine X Huprine Y Huprine Z Ipidacrine Itopride Ladostigil Minaprine Octamethylene-bis(5-dimethylcarbamoxyisoquinolinium bromide) T-1123 T-1152 T-1194 TL-599 TL-1238 Tacrine Velnacrine Zanapezil Irreversible: Organophosphates:2-Ethoxycarbonyl-1-methylvinyl cyclohexyl methylphosphonate Acephate Armine Azinphos-ethyl Azinphos-methyl BAY-29952 Bensulide Cadusafos Carbophenothion Chlorethoxyfos Chlorfenvinphos Chlorpyrifos Chlorpyrifos-methyl Coumaphos Crotylsarin Cyanophos Cyclosarin (GF) Demephion Demeton Demeton-S-methyl Dialifor Diazinon Dichlorvos Dicrotophos Dicyclohexyl phosphorofluoridate Diisopropylphosphate Diisopropyl fluorophosphate Dimefox Dimethoate Dimethyl 4-(methylthio)phenyl phosphate Dioxathion Disulfoton EA-2012 EA-2054 EA-2098 EA-2192 EA-2613 EA-3148 EA-4352 Echothiophate Ethylsarin (GE) Endothion EPN Ethion Ethoprop Fenamiphos Fenitrothion Fenthion Fluorotabun Fonofos Formothion Fosthiazate GD-42 GH GT-45 GV Guanitoxin Hexaethyl tetraphosphate (HETP) Isofluorophate Isoxathion Leptophos Malaoxon Malathion Mazidox Methamidophos Methidathion Methyl phenkapton Methylfluorophosphonylcholine (MFPCh) Metrifonate Mevinphos Mipafox Monocrotophos MSPI Naled Novichok agent Omethoate Oxydemeton-methyl Paraoxon Parathion Parathion-methyl Phorate Phosalone Phosfolan Phosmet Phosphamidon Phoxim Pirimiphos-methyl Profenofos Prothoate R-16661 Ro 3-0340 Ro 3-0346 Ro 3-0347 Ro 3-0351 Ro 3-0352 Ro 3-0397 Ro 3-0411 Ro 3-0412 Ro 3-0417 Ro 3-0419 Ro 3-0422 Ro 3-0433 Ronnel Sarin (GB) Schradan Soman (GD) Sulfotep (TEDP) Tabun (GA) Tebupirimfos Temefos Terbufos Tetrachlorvinphos Tetraethyl pyrophosphate (TEPP) Triazofos Tribufos Trichlorfon Trichloronate Tricresyl phosphate VE VG VM VP VS VR VX; Others:Demecarium Fasciculins (green mamba toxins) (1,2,3,4) Onchidal (Onchidella binneyi) Methanesulfonyl fluoride Unsorted:α-Pinene α-Viniferin Affinine Affinisine Arisugacin A Bulbocapnine Conodurine Coronaridine Corydaline Corynoline Crimidine Cyclanoline Cymserine Harmaline Kobophenol A Lactucopicrin Lycorine Phosacetim Rosmarinic acid Stercuronium iodide Taspine Tetrahydrocannabinol Ungeremine Ungiminorine Dimethylcarbamoyl fluoride BW284C51 TMTFA 3152 CT Reactivators:Asoxime chloride Methoxime Obidoxime Pralidoxime Trimedoxime bromide
BChETooltip Butyrylcholinesterase	Inhibitors:Affinine Affinisine Conodurine Cymserine Ladostigil Profenamine (ethopropazine) Rivastigmine Tacrine ZINC-12613047 Many of the other AChE inhibitors listed above

Transporter
(modulators)

CHTTooltip Choline transporter	Inhibitors:Hemicholinium-3 (hemicholine) Triethylcholine Enhancers:Coluracetam
VAChTTooltip Vesicular acetylcholine transporter	Inhibitors:Vesamicol

Release
(modulators)

Inhibitors	SNAP-25Tooltip Synaptosomal-associated protein 25 inactivators:Botulinum toxin (A,C,E) VAMPTooltip Vesicle-associated membrane protein inactivators:Botulinum toxin (B,D,F,G) Others:Bungarotoxins (β-bungarotoxin,γ-bungarotoxin)
Enhancers	LPHNTooltip Latrophilin agonists:α-Latrotoxin Others: Atracotoxins (e.g.,robustoxin,versutoxin) Crotoxin

See also: Receptor/signaling modulators; Muscarinic acetylcholine receptor modulators; Nicotinic acetylcholine receptor modulators

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