Mecloqualone

Mecloqualone
Clinical data
ATC code	none;
Legal status
Legal status	CA: Schedule III ; DE: Anlage I (Authorized scientific use only) ; US: Schedule I ;
Identifiers
	IUPAC name 3-(2-chlorophenyl)-2-methylquinazolin-4(3H)-one;
CAS Number	340-57-8 ;
PubChem CID	9567;
ChemSpider	9192 ;
UNII	09XU4VDV7E;
KEGG	D04877 ;
ChEMBL	ChEMBL279960 ;
CompTox Dashboard (EPA)	DTXSID7048875 ;
ECHA InfoCard	100.005.848
Chemical and physical data
Formula	C15H11ClN2O
Molar mass	270.714 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES Clc3ccccc3N/1C(=O)c2c(\N=C\1C)cccc2;
	InChI InChI=1S/C15H11ClN2O/c1-10-17-13-8-4-2-6-11(13)15(19)18(10)14-9-5-3-7-12(14)16/h2-9H,1H3 ; Key:SFITWQDBYUMAPS-UHFFFAOYSA-N ;
	(what is this?)

Mecloqualone (Nubarene, Casfen) is a Quinazolinone-class GABAergic and is an analogue of methaqualone that was first made in 1960^[1] and marketed mainly in France and some other European countries. It has sedative, hypnotic, and anxiolytic properties caused by its agonist activity at the β subtype of the GABA_a receptor, and was used for the treatment of insomnia.^[2] Mecloqualone is faster-acting but shorter-lasting than methaqualone and so was used only as a sleeping pill,^[3] in contrast to methaqualone, which was used as a general-purpose anxiolytic as well. Mecloqualone was never as widely used as methaqualone and is no longer prescribed because of concerns about its potential for abuse and overdose. In the United States it is a Schedule I non-narcotic (depressant) controlled substance with an ACSCN of 2572 and zero annual aggregate manufacturing quota.

References[]

^ Jackman GB, Petrow V, Stephenson O (September 1960). "Some 2, 3-disubstituted 3H-4-quinazolones and 3H-4-thioquinazolones". The Journal of Pharmacy and Pharmacology. 12: 529–38. doi:10.1111/j.2042-7158.1960.tb12705.x. PMID 14406263. S2CID 31254238.
^ Mouren P, Giraud F, Pinsard N (1963). "[Clinical use of a new psycholeptic: Mecloqualone]". Marseille Medical. 100: 599–602. PMID 13936358.
^ Dubnk B, Towne CA, Bush MT (November 1969). "Detection, assay and rate of excretion of mecloqualone in animals and man". Toxicology and Applied Pharmacology. 15 (3): 632–41. doi:10.1016/0041-008X(69)90065-9. PMID 5353825.

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[1] Jackman GB, Petrow V, Stephenson O (September 1960). "Some 2, 3-disubstituted 3H-4-quinazolones and 3H-4-thioquinazolones". The Journal of Pharmacy and Pharmacology. 12: 529–38. doi:10.1111/j.2042-7158.1960.tb12705.x. PMID 14406263. S2CID 31254238.

[2] Mouren P, Giraud F, Pinsard N (1963). "[Clinical use of a new psycholeptic: Mecloqualone]". Marseille Medical. 100: 599–602. PMID 13936358.

[3] Dubnk B, Towne CA, Bush MT (November 1969). "Detection, assay and rate of excretion of mecloqualone in animals and man". Toxicology and Applied Pharmacology. 15 (3): 632–41. doi:10.1016/0041-008X(69)90065-9. PMID 5353825.

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[2]

[3]

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

Clinical data

ATC code	none
Legal status
Legal status	CA: Schedule III DE: Anlage I (Authorized scientific use only) US: Schedule I
Identifiers
IUPAC name 3-(2-chlorophenyl)-2-methylquinazolin-4(3H)-one
CAS Number	340-57-8^N
PubChem CID	9567
ChemSpider	9192^Y
UNII	09XU4VDV7E
KEGG	D04877^Y
ChEMBL	ChEMBL279960^Y
CompTox Dashboard (EPA)	DTXSID7048875
ECHA InfoCard	100.005.848
Chemical and physical data
Formula	C₁₅H₁₁ClN₂O
Molar mass	270.714 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES Clc3ccccc3N/1C(=O)c2c(\N=C\1C)cccc2
InChI InChI=1S/C15H11ClN2O/c1-10-17-13-8-4-2-6-11(13)15(19)18(10)14-9-5-3-7-12(14)16/h2-9H,1H3^Y Key:SFITWQDBYUMAPS-UHFFFAOYSA-N^Y
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Mecloqualone

See also[]

References[]