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3-APPA

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Chemical compound

Pharmaceutical compound

3-APPA
Identifiers

IUPAC name 3-aminopropylphosphinic acid
CAS Number	103680-47-3^Y
PubChemCID	121956
IUPHAR/BPS	1081
ChemSpider	10462431
UNII	QMT5SS3QRE
ChEMBL	ChEMBL112203
CompTox Dashboard(EPA)	DTXSID201336775
Chemical and physical data
Formula	C₃H₁₀NO₂P
Molar mass	123.092 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES C(CN)CP(=O)O
InChI InChI=1S/C3H10NO2P/c4-2-1-3-7(5)6/h7H,1-4H2,(H,5,6) Key:ZTHNRNOOZGJLRR-UHFFFAOYSA-N

3-Aminopropylphosphinic acid, also known in the literature as3-APPA orCGP 27492,^[1] is a compound used in scientific research which acts as an agonist at theGABA_B receptor. It is part of a class ofphosphinic acid GABA_B agonists,^[2] which also includesSKF-97,541. It has abinding affinity (pK_i) to the GABA_B receptor of 8.30 (i.e., ~3 nM).^[3]

References

[edit]

^"3-APPA".IUPHAR/BPS Guide to Pharmacology. RetrievedMarch 23, 2021.
^Lacey G, Curtis DR (1994). "Phosphinic acid derivatives as baclofen agonists and antagonists in the mammalian spinal cord: an in vivo study".Experimental Brain Research.101 (1):59–72.doi:10.1007/BF00243217.PMID 7843303.S2CID 19055950.
^Froestl W, Mickel SJ, von Sprecher G, Diel PJ, Hall RG, Maier L, et al. (August 1995). "Phosphinic acid analogues of GABA. 2. Selective, orally active GABA_B antagonists".Journal of Medicinal Chemistry.38 (17):3313–31.doi:10.1021/jm00017a016.PMID 7650685.

Hypnotics/sedatives (N05C)

GABA_A

Alcohols	2M2B Chloralodol Ethanol (alcohol) Diethylpropanediol Ethchlorvynol Methylpentynol Trichloroethanol
Barbiturates	Allobarbital Amobarbital Aprobarbital Barbital Butabarbital Butobarbital Cyclobarbital Ethallobarbital Heptabarb Hexobarbital Mephobarbital Methohexital Narcobarbital Pentobarbital Phenallymal Phenobarbital Propylbarbital Proxibarbal Reposal Secobarbital Talbutal Thiamylal Thiopental Thiotetrabarbital Vinbarbital Vinylbital
Benzodiazepines	Brotizolam Cinolazepam Climazolam Clonazolam Doxefazepam Estazolam Flubromazolam Flunitrazolam Flunitrazepam Flurazepam Flutemazepam Flutoprazepam Loprazolam Lormetazepam Midazolam Nimetazepam Nitemazepam Nitrazepam Nitrazolam Quazepam Temazepam Triazolam
Carbamates	Carisoprodol Emylcamate Ethinamate Hexapropymate Meprobamate Methocarbamol Phenprobamate Procymate Tybamate
Imidazoles	Etomidate Metomidate Propoxate
Monoureides	Acecarbromal Apronal (apronalide) Bromisoval Capuride Carbromal Ectylurea
Neuroactive steroids	Acebrochol Allopregnanolone Alphadolone Alphaxolone Eltanolone Hydroxydione Minaxolone Progesterone
Nonbenzodiazepines	Eszopiclone Indiplon Lirequinil Necopidem Pagoclone Pazinaclone Saripidem Suproclone Suriclone Zaleplon Zolpidem Zopiclone
Phenols	Propofol
Piperidinediones	Glutethimide Methyprylon Pyrithyldione Piperidione
Quinazolinones	Afloqualone Cloroqualone Diproqualone Etaqualone Mebroqualone Mecloqualone Methaqualone Methylmethaqualone Nitromethaqualone SL-164
Others	Acetophenone Acetylglycinamide chloral hydrate Bromide compounds Lithium bromide Potassium bromide Sodium bromide Centalun Chloral betaine Chloral hydrate Chloralose Clomethiazole Dichloralphenazone Gaboxadol Kavalactones Loreclezole Paraldehyde Petrichloral Sulfonylalkanes Sulfonmethane (sulfonal) Tetronal Trional Triclofos Sesquiterpene Isovaleramide Isovaleric acid Valerenic acid

GABA_B

H₁

Antihistamines	Captodiame Cyproheptadine Diphenhydramine Doxylamine Hydroxyzine Methapyrilene Perlapine Pheniramine Promethazine Propiomazine
Antidepressants	Serotonin antagonists and reuptake inhibitors Etoperidone Nefazodone Trazodone Tricyclic antidepressants Amitriptyline Doxepin Trimipramine, etc. Tetracyclic antidepressants Mianserin Mirtazapine, etc.
Antipsychotics	Typical antipsychotics Chlorpromazine Thioridazine, etc. Atypical antipsychotics Olanzapine Quetiapine Risperidone, etc.

α₂-Adrenergic

5-HT_2A

Antidepressants	Trazodone Tricyclic antidepressants Amitriptyline Doxepin Trimipramine, etc. Tetracyclic antidepressants Mianserin Mirtazapine, etc.
Antipsychotics	Typical antipsychotics Chlorpromazine Thioridazine, etc. Atypical antipsychotics Olanzapine Quetiapine Risperidone, etc.
Others	Niaprazine