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Lopirazepam

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Chemical compound

Pharmaceutical compound

Lopirazepam
Clinical data

Pregnancy category	D
Routes of administration	Oral
ATC code	none
Legal status
Legal status	US: Schedule IV
Identifiers
IUPAC name (RS)-7-Chloro-5-(2-chlorophenyl)-3-hydroxy-1,3-dihydro-2H-pyrido[3,2-e][1,4]diazepin-2-one
CAS Number	42863-81-0
PubChemCID	68672
ChemSpider	61926
UNII	8PDI6DY6GV
CompTox Dashboard(EPA)	DTXSID20866105
ECHA InfoCard	100.050.868
Chemical and physical data
Formula	C₁₄H₉Cl₂N₃O₂
Molar mass	322.15 g·mol⁻¹
3D model (JSmol)	Interactive image
Chirality	Racemic mixture
SMILES ClC1=CC=CC=C1C2=NC(C(NC3=C2N=C(Cl)C=C3)=O)O

Lopirazepam (INN)^[1] is a short-actingbenzodiazepine analog of the pyridodiazepine type (specifically, the pyridodiazepine analog oflorazepam) withanxiolytic andhypnotic properties.^[2]^[3] It has never been marketed.^[4]

References

[edit]

^US 4008223, von Bebenburg W, Offermanns H, "6-Aza-3H-1,4-benzodiazepines", issued 15 February 1977, assigned to Deutsche Gold und Silber Scheideanstalt and Evonik Operations GmbH.
^Saletu M, Saletu B, Grünberger J, Mader R, Karobath M (1983). "Clinical symptomatology and computer analyzed EEG before, during and after anxiolytic therapy of alcohol withdrawal patients".Neuropsychobiology.9 (2–3):119–134.doi:10.1159/000117949.PMID 6353268.
^Fabian A, Röhmel R, Kubicki S (September 1984). "[Changes in the length of sleep cycles during administration of flurazepam and lopirazepam]".EEG-EMG Zeitschrift für Elektroenzephalographie, Elektromyographie und Verwandte Gebiete (in German).15 (3):151–158.PMID 6435999.
^Triggle DJ, Ganellin CR, MacDonald F (1996).Dictionary of Pharmacological Agents. Vol. 2. Boca Raton: Chapman & Hall/CRC. p. 1232.ISBN 0-412-46630-9. Retrieved on December 31, 2008 throughGoogle Book Search.

v t e Benzodiazepines
1,4-Benzodiazepines	2-Oxoquazepam 3-Hydroxyphenazepam Bromazepam BMS-906024* Camazepam Carburazepam Chlordiazepoxide Cinazepam Cinolazepam Clonazepam Cloniprazepam Clorazepate Cyprazepam Delorazepam Demoxepam Desmethylflunitrazepam Devazepide* Diazepam Diclazepam Difludiazepam Doxefazepam Elfazepam Ethyl carfluzepate Ethyl dirazepate Ethyl loflazepate Flubromazepam Fletazepam Fludiazepam Flunitrazepam Flurazepam Flutemazepam Flutoprazepam Fosazepam Gidazepam Halazepam Iclazepam Irazepine* Kenazepine Ketazolam Lorazepam Lormetazepam Lufuradom* Meclonazepam Medazepam Menitrazepam Metaclazepam Motrazepam N-Desalkylflurazepam Nifoxipam Nimetazepam Nitemazepam Nitrazepam Nitrazepate Nordazepam Nortetrazepam Oxazepam Phenazepam Pinazepam Pivoxazepam Prazepam Proflazepam Quazepam QH-II-66 Reclazepam RO4491533* Ro05-4082 Ro5-4864* Ro07-5220 Ro07-9749 Ro20-8065 Ro20-8552 SH-I-048A Sulazepam Temazepam Tetrazepam Tifluadom* Timelotem* Tolufazepam Triflunordazepam Tuclazepam Uldazepam
1,5-Benzodiazepines	Arfendazam Clobazam CP-1414S Lofendazam Triflubazam
2,3-Benzodiazepines*	Girisopam GYKI-52466 GYKI-52895 Nerisopam Talampanel Tofisopam
Triazolobenzodiazepines	Adinazolam Alprazolam Balovaptan* Bromazolam Clonazolam Estazolam Fluadinazolam Flualprazolam Flubromazolam Flunitrazolam Nitrazolam Phenazolam Pyrazolam Rilmazolam (active metabolite ofRilmazafone) Triazolam
Imidazobenzodiazepines	Bretazenil Climazolam EVT-201 FG-8205 Flumazenil GL-II-73 Imidazenil ¹²³I-Iomazenil L-655,708 Loprazolam Midazolam PWZ-029 Remimazolam Ro15-4513 Ro48-6791 Ro48-8684 Ro4938581 Sarmazenil SH-053-R-CH3-2′F
Oxazolobenzodiazepines	Cloxazolam Flutazolam Haloxazolam Mexazolam Oxazolam
Thienodiazepines	Bentazepam Clotiazepam Ro09-9212
Thienotriazolodiazepines	α-Hydroxyetizolam Apafant* Brotizolam Ciclotizolam Clotizolam Deschloroclotizolam Deschloroetizolam Etizolam Flubrotizolam Fluclotizolam Fluetizolam Israpafant* JQ1* Metizolam
Thienobenzodiazepines*	Olanzapine Telenzepine
Pyridodiazepines	Lopirazepam
Pyridotriazolodiazepines	Zapizolam
Pyrazolodiazepines	Razobazam* Ripazepam Zolazepam Zomebazam Zometapine*
Pyrrolodiazepines	Premazepam
Tetrahydroisoquinobenzodiazepines	Clazolam
Pyrrolobenzodiazepines*	Anthramycin
Benzodiazepine prodrugs	Alprazolam triazolobenzophenone Avizafone Rilmazafone
* atypical activity profile (notGABA_A receptor ligands)

v t e GABA_A receptor positive modulators
Alcohols	Brometone 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	(-)-DMBB 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 Bromazolam Brotizolam Camazepam Carburazepam Chlordiazepoxide Ciclotizolam Cinazepam Cinolazepam Clazolam Climazolam Clobazam Clonazepam Clonazolam Cloniprazepam Clorazepate Clotiazepam Cloxazolam CP-1414S Cyprazepam Delorazepam Demoxepam Diazepam Diclazepam Dimdazenil Doxefazepam Elfazepam Estazolam Ethyl carfluzepate Ethyl dirazepate Ethyl loflazepate Etizolam 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	6-Methylapigenin Ampelopsin (dihydromyricetin) Apigenin Baicalein Baicalin Catechin EGC EGCG Hispidulin Linarin Luteolin Rc-OMe Skullcap constituents (e.g.,baicalin) Wogonin
Imidazoles	Etomidate Metomidate Methoxyetomidate Propoxate Isopropoxate Butomidate Iso-butomidate Sec-butomidate CF2-Etomidate CF3-Etomidate CF3-Propoxate Flutomidate 2,6-Dichloro-3-fluoroetomidate
Kava constituents	10-Methoxyyangonin 11-Methoxyyangonin 11-Hydroxyyangonin Desmethoxyyangonin 11-Methoxy-12-hydroxydehydrokavain 7,8-Dihydroyangonin Kavain 5-Hydroxykavain 5,6-Dihydroyangonin 7,8-Dihydrokavain 5,6,7,8-Tetrahydroyangonin 5,6-Dehydromethysticin Methysticin 7,8-Dihydromethysticin Yangonin
Monoureides	Acecarbromal Apronal (apronalide) Bromisoval Carbromal Capuride Ectylurea
Neuroactive steroids	Acebrochol Allopregnanolone (brexanolone) Alfadolone Alfaxalone 3α-Androstanediol Androstenol Androsterone Certainanabolic-androgenic steroids Cholesterol DHDOC 3α-DHP 5α-DHP 5β-DHP DHT Etiocholanolone Ganaxolone Hydroxydione Minaxolone ORG-20599 ORG-21465 P1-185 Posovolone Pregnanolone (eltanolone) Progesterone Renanolone SAGE-105 SAGE-324 SAGE-516 SAGE-689 SAGE-872 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 CTP-354 ELB-139 GBLD-345 Imepitoin JM-1232 L-838,417 Lirequinil (Ro41-3696) Miltirone (rosmariquinone) NS-2664 NS-2710 NS-11394 Pipequaline ROD-188 RWJ-51204 SB-205,384 SX-3228 TGSC01AA TP-003 TPA-023 TP-13 U-89843A U-90042 Viqualine Y-23684
Phenols	Cipepofol Fospropofol Propofol Propofol hemisuccinate 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 α-EMTBL AA-29504 Alogabat Avermectins (e.g.,ivermectin) Bromide compounds (e.g.,lithium bromide,potassium bromide,sodium bromide) Carbamazepine Chloralose Chlormezanone Clomethiazole Darigabat DEABL Deuterated etifoxine Dihydroergolines (e.g.,dihydroergocryptine,dihydroergosine,dihydroergotamine,ergoloid (dihydroergotoxine)) DS2 Efavirenz Etazepine Etifoxine Fenamates (e.g.,flufenamic acid,mefenamic acid,niflumic acid,tolfenamic acid) Fluoxetine Flupirtine Hopantenic acid KRM-II-81 Lanthanum Lavender oil Lignans (e.g.,4-O-methylhonokiol,honokiol,magnolol,obovatol) Loreclezole Menthyl isovalerate (validolum) Monastrol Nicotinic acid Nicotinamide Org 25,435 Phenytoin Propanidid Retigabine (ezogabine) Safranal Seproxetine Stiripentol Sulfonylalkanes (e.g.,sulfonmethane (sulfonal),tetronal,trional) Terpenoids (e.g.,borneol) Topiramate Valerian constituents (e.g.,isovaleric acid,isovaleramide,valerenic acid,valerenol) Unsorted benzodiazepine site positive modulators:α-Pinene MRK-409 (MK-0343) TCS-1105 TCS-1205
See also:Receptor/signaling modulators •GABA receptor modulators •GABA metabolism/transport modulators

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