2-OH-NPA

2-OH-NPA
Systematic (IUPAC) name

(R)-2,10,11-trihydroxy-N-propylnoraporphine
Identifiers
CAS Number	79640-85-0
PubChem	CID 6603798
ChemSpider	8244599^Y
Chemical data
Formula	C₁₉H₂₁NO₃
Molar mass	311.374 g/mol
SMILES c4c3c2c(cc4O)-c1c(ccc(O)c1O)CC2N(CC3)CCC
InChI InChI=1S/C19H21NO3.BrH/c1-2-6-20-7-5-12-8-13(21)10-14-17(12)15(20)9-11-3-4-16(22)19(23)18(11)14;/h3-4,8,10,15,21-23H,2,5-7,9H2,1H3;1H/t15-;/m1./s1^Y Key:KIAIFHTWTMKEDI-XFULWGLBSA-N^Y
(verify)

2-OH-NPA is a drug used in scientific research which acts as a potent and selective agonist for the dopamine D₂ receptor.^[1]

References

↑ Gao, YG; Baldessarini, RJ; Kula, NS; Neumeyer, JL (1990). "Synthesis and dopamine receptor affinities of enantiomers of 2-substituted apomorphines and their N-n-propyl analogues". Journal of Medicinal Chemistry 33 (6): 1800–5. doi:10.1021/jm00168a040. PMID 1971309.

Dopaminergics

Receptor ligands

Agonists

Adamantanes Amantadine Memantine Rimantadine

Aminotetralins 7-OH-DPAT 8-OH-PBZI Rotigotine UH-232

Benzazepines 6-Br-APB Fenoldopam SKF-38,393 SKF-77,434 SKF-81,297 SKF-82,958 SKF-83,959

Ergolines Bromocriptine Cabergoline Dihydroergocryptine Epicriptine Lisuride LSD Pergolide

Dihydrexidine derivatives 2-OH-NPA A-86929 Adrogolide (ABT-431, DAS-431) Ciladopa Dihydrexidine Dinapsoline Dinoxyline Doxanthrine

Others A-68930 A-77636 A-412,997 ABT-670 ABT-724 Aplindore Apomorphine Aripiprazole Arketamine Bifeprunox BP-897 Captodiame CY-208,243 Dizocilpine Esketamine Etilevodopa Flibanserin Ketamine Melevodopa Modafinil Pardoprunox Phencyclidine PD-128,907 PD-168,077 PF-219,061 Piribedil Pramipexole Propylnorapomorphine Pukateine Quinagolide Quinelorane Quinpirole RDS-127 Ro10-5824 Ropinirole Rotigotine Roxindole Salvinorin A SKF-89,145 Sumanirole Terguride Umespirone WAY-100,635

Antagonists

Typical antipsychotics Acepromazine Azaperone Benperidol Bromperidol Clopenthixol Chlorpromazine Chlorprothixene Droperidol Flupentixol Fluphenazine Fluspirilene Haloperidol Levomepromazine Levosulpiride Loxapine Mesoridazine Nemonapride Penfluridol Perazine Periciazine Perphenazine Pimozide Prochlorperazine Promazine Sulforidazine Sulpiride Sultopride Thioridazine Thiothixene Trifluoperazine Triflupromazine Trifluperidol Zuclopenthixol

Atypical antipsychotics Amisulpride Asenapine Blonanserin Cariprazine Carpipramine Clocapramine Clorotepine Clozapine Gevotroline Iloperidone Lurasidone Melperone Molindone Mosapramine Olanzapine Paliperidone Perospirone Piquindone Quetiapine Remoxipride Risperidone Sertindole Tiospirone Zicronapine Ziprasidone Zotepine

Antiemetics AS-8112 Alizapride Bromopride Clebopride Domperidone Metoclopramide Thiethylperazine

Others Amoxapine Buspirone Butaclamol Ecopipam EEDQ Eticlopride Fananserin Hydroxyzine L-745,870 Nafadotride Nuciferine PNU-99,194 Raclopride Sarizotan SB-277,011-A SCH 23390 SKF-83,959 Sonepiprazole Spiperone Spiroxatrine Stepholidine Tetrahydropalmatine Tiapride UH-232 Yohimbine

Reuptake modulators

DAT

Inhibitors

Piperazines DBL-583 GBR-12783 GBR-12935 GBR-13069 GBR-13098 Nefazodone Vanoxerine

Piperidines 4-Fluoropethidine Benocyclidine (BTCP) Desoxypipradrol Dexmethylphenidate Difemetorex Ethylphenidate HDMP-28 Methylphenidate Pethidine (meperidine) Phencyclidine Pipradrol

Pyrrolidines Diphenylprolinol MDPV Naphyrone Prolintane Pyrovalerone

Tropanes Altropane Benzatropine (benztropine) Brasofensine CFT Cocaine Dichloropane Difluoropine Etybenzatropine (ethybenztropine) FE-β-CPPIT FP-β-CPPIT Ioflupane (¹²³I) RTI-55 RTI-112 RTI-113 RTI-121 RTI-126 RTI-150 RTI-177 RTI-229 RTI-336 Tenocyclidine Tesofensine Troparil Tropoxane WF-11 WF-23 WF-31 WF-33

Others Adrafinil Amifitadine Armodafinil Amfonelic acid Amineptine Ansofaxine BTQ BTS 74,398 Bupropion Chaenomeles speciosa Ciclazindol Dasotraline Desmethylsertraline Diclofensine Dimethocaine Diphenylpyraline Dizocilpine (MK-801) DOV-102,677 DOV-216,303 Efavirenz Esketamine EXP-561 Fencamfamine Fezolamine Fluorenol GYKI-52895 Indatraline Ketamine Lefetamine Levophacetoperane Liafensine LR-5182 Manifaxine Mazindol Medifoxamine Mesocarb Metaphit MIN-117 (WF-516) Modafinil Nefopam Nomifensine NS-2359 O-2172 Oroxylin A Perafensine Pridefine Radafaxine Rimcazole Sertraline Sibutramine Tametraline Tedatioxetine Tripelennamine Venlafaxine

Enhancers

Luteolin

Modulators

Agonist-like SoRI-9804

Antagonist-like SoRI-20041

VMATs

Inhibitors: Amiodarone; Amphetamines (e.g., amphetamine, methamphetamine, MDMA); Bietaserpine; Deserpidine; Efavirenz; GBR-12935; Ibogaine; Ketanserin; Lobeline; Reserpine; Rose bengal; Tetrabenazine; Vanoxerine (GBR-12909)

Releasing agents

Morpholines Fenbutrazate Fenmetramide Morazone Morforex Phendimetrazine Phenmetrazine Pseudophenmetrazine

Oxazolines 4-MAR Aminorex Clominorex Cyclazodone Fenozolone Fluminorex Pemoline Thozalinone

Phenethylamines (also amphetamines, cathinones, etc) 2-OH-PEA 4-CAB 4-FA 4-FMA 4-MA 4-MMA Alfetamine Amfecloral Amfepentorex Amfepramone Amphetamine (Dextroamphetamine Levoamphetamine) Amphetaminil β-Me-PEA BDB BOH Benzphetamine Buphedrone Bupropion Butylone Cathine Cathinone Clobenzorex Clortermine D-Deprenyl DMA DMMA Dimethylamphetamine Ephedrine Ethcathinone EBDB Ethylone Etilamfetamine Famprofazone Fenethylline Fenproporex Flephedrone Fludorex Furfenorex Hordenine 4-Hydroxyamphetamine Iofetamine (123I) Lophophine Mefenorex Mephedrone Metamfepramone Methamphetamine Dextromethamphetamine Levomethamphetamine Methcathinone Methedrone MMDA MMDMA MBDB MDA MDEA MDMA MDMPEA MDOH MDPEA Methylone Morforex Ortetamine pBA pCA pIA Pholedrine Phenethylamine Pholedrine Phenpromethamine Prenylamine Propylamphetamine Pseudoephedrine Tiflorex Tyramine Xylopropamine Zylofuramine

Piperazines 2C-B-BZP BZP MBZP MDBZP MeOPP

Others 2-ADN 2-AI 2-AT 4-BP 5-APDI 5-IAI Clofenciclan Cyclopentamine Cypenamine Cyprodenate Feprosidnine Gilutensin Heptaminol Hexacyclonate Indanorex Isometheptene Methylhexanamine Naphthylaminopropane Octodrine Phthalimidopropiophenone Phenylbiguanide Propylhexedrine Levopropylhexedrine Tuaminoheptane

Enzyme inhibitors

PAH

3,4-Dihydroxystyrene

AAAD

MAO

Nonselective Benmoxin Caroxazone Echinopsidine Furazolidone Hydralazine Indantadol Iproclozide Iproniazid Isocarboxazid Isoniazid Linezolid Mebanazine Metfendrazine Nialamide Octamoxin Paraxazone Phenelzine Pheniprazine Phenoxypropazine Pivhydrazine Procarbazine Safrazine Tranylcypromine

MAO-A selective Amiflamine Bazinaprine Befloxatone Brofaromine Cimoxatone Clorgiline CX157 (Tyrima) Eprobemide Esuprone Harmala alkaloids Methylene Blue Metralindole Minaprine Moclobemide Pirlindole Sercloremine Tetrindole Toloxatone

MAO-B selective Almoxatone D-Deprenyl Ethanol Ladostigil Lazabemide Milacemide Nicotine Pargyline^‡ Rasagiline Safinamide Selegiline (L-Deprenyl)

COMT

DBH

Others

Precursors

L-Phenylalanine → L-Tyrosine → L-DOPA (levodopa)

Cofactors

Ferrous iron (Fe²⁺)
Tetrahydrobiopterin
Vitamin B₃ (Niacin
Nicotinamide → NADPH)
Vitamin B₆ (Pyridoxine
Pyridoxamine
Pyridoxal → Pyridoxal phosphate)
Vitamin B₉ (Folic acid → Tetrahydrofolic acid)
Vitamin C (Ascorbic acid)
Zinc (Zn²⁺)

Neurotoxins

Others

Activity enhancers BPAP PPAP

Levodopa prodrugs XP21279

Others Bromantane (dopamine synthesis enhancer)

See also:: Adrenergics; Melatonergics; Serotonergics; List of dopaminergic drugs

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