Thioperamide

Chemical compound

none

Identifiers

IUPAC name

N-Cyclohexyl-4-(1H-imidazol-4-yl)piperidine-1-carbothioamide

CAS Number

106243-16-7^N

PubChem CID

3035905

IUPHAR/BPS

1267

ChemSpider

2300031^Y

UNII

II4319BWUI

ChEMBL

ChEMBL260374^Y

CompTox Dashboard (EPA)

DTXSID50147555

Chemical and physical dataFormulaC₁₅H₂₄N₄SMolar mass292.45 g·mol⁻¹3D model (JSmol)

Interactive image

SMILES

S=C(NC1CCCCC1)N3CCC(c2cnc[nH]2)CC3

InChI

InChI=1S/C15H24N4S/c20-15(18-13-4-2-1-3-5-13)19-8-6-12(7-9-19)14-10-16-11-17-14/h10-13H,1-9H2,(H,16,17)(H,18,20)^Y
Key:QKDDJDBFONZGBW-UHFFFAOYSA-N^Y

^NY (what is this?) (verify)

Thioperamide is a potent HRH₄ antagonist and selective HRH₃ antagonist capable of crossing the blood–brain barrier.^[1] It was used by Jean-Charles Schwartz in his early experiments regarding the H₃ receptor.^[2] Thioperamide was found to be an antagonist of histamine autoreceptors, which negatively regulate the release of histamine. The drug enhances the activity of histaminergic neurons by blocking autoreceptors, leading to greater release of histamine.

Its action on H₃ receptors is thought to promote wakefulness and improve memory consolidation.

References

^ "Thioperamide". IUPHAR/BPS Guide to Pharmacology.
^ Schwartz JC (June 2011). "The histamine H3 receptor: from discovery to clinical trials with pitolisant". British Journal of Pharmacology. 163 (4): 713–21. doi:10.1111/j.1476-5381.2011.01286.x. PMC 3111674. PMID 21615387.

Histamine receptor modulators

H₁

Agonists	2-Pyridylethylamine Betahistine Histamine HTMT L-Histidine UR-AK49
Antagonists	First-generation: 4-Methyldiphenhydramine Alimemazine Antazoline Azatadine Bamipine Benzatropine (benztropine) Bepotastine Bromazine Brompheniramine Buclizine Captodiame Carbinoxamine Chlorcyclizine Chloropyramine Chlorothen Chlorphenamine Chlorphenoxamine Cinnarizine Clemastine Clobenzepam Clocinizine Cloperastine Cyclizine Cyproheptadine Dacemazine Decloxizine Deptropine Dexbrompheniramine Dexchlorpheniramine Dimenhydrinate Dimetindene Diphenhydramine Diphenylpyraline Doxylamine Embramine Etodroxizine Etybenzatropine (ethylbenztropine) Etymemazine Fenethazine Flunarizine Histapyrrodine Homochlorcyclizine Hydroxyethylpromethazine Hydroxyzine Isopromethazine Isothipendyl Meclozine Medrylamine Mepyramine (pyrilamine) Mequitazine Methafurylene Methapyrilene Methdilazine Moxastine Orphenadrine Oxatomide Oxomemazine Perlapine Phenindamine Pheniramine Phenyltoloxamine Pimethixene Piperoxan Pipoxizine Promethazine Propiomazine Pyrrobutamine Talastine Thenalidine Thenyldiamine Thiazinamium Thonzylamine Tolpropamine Tripelennamine Triprolidine Second/third-generation: Acrivastine Alinastine Astemizole Azelastine Bamirastine Barmastine Bepiastine Bepotastine Bilastine Cabastinen Carebastine Cetirizine Clemastine Clemizole Clobenztropine Desloratadine Dorastine Ebastine Efletirizine Emedastine Epinastine Fexofenadine Flezelastine Ketotifen Latrepirdine Levocabastine Levocetirizine Linetastine Loratadine Mapinastine Mebhydrolin Mizolastine Moxastine Noberastine Octastine Olopatadine Perastine Pibaxizine Piclopastine Quifenadine (phencarol) Rocastine Rupatadine Setastine Sequifenadine (bicarphen) Talastine Temelastine Terfenadine Vapitadine Zepastine Others: Atypical antipsychotics (e.g., aripiprazole, asenapine, brexpiprazole, brilaroxazine, clozapine, iloperidone, olanzapine, paliperidone, quetiapine, risperidone, ziprasidone, zotepine) Phenylpiperazine antidepressants (e.g., hydroxynefazodone, nefazodone, trazodone, triazoledione) Tetracyclic antidepressants (e.g., amoxapine, loxapine, maprotiline, mianserin, mirtazapine, oxaprotiline) Tricyclic antidepressants (e.g., amitriptyline, butriptyline, clomipramine, desipramine, dosulepin (dothiepin), doxepin, imipramine, iprindole, lofepramine, nortriptyline, protriptyline, trimipramine) Typical antipsychotics (e.g., chlorpromazine, flupenthixol, fluphenazine, loxapine, perphenazine, prochlorperazine, thioridazine, thiothixene) Unknown/unsorted: Azanator Belarizine Elbanizine Flotrenizine GSK1004723 Napactadine Tagorizine Trelnarizine Trenizine

Agonists

Antagonists

First-generation: 4-Methyldiphenhydramine
Alimemazine
Antazoline
Azatadine
Bamipine
Benzatropine (benztropine)
Bepotastine
Bromazine
Brompheniramine
Buclizine
Captodiame
Carbinoxamine
Chlorcyclizine
Chloropyramine
Chlorothen
Chlorphenamine
Chlorphenoxamine
Cinnarizine
Clemastine
Clobenzepam
Clocinizine
Cloperastine
Cyclizine
Cyproheptadine
Dacemazine
Decloxizine
Deptropine
Dexbrompheniramine
Dexchlorpheniramine
Dimenhydrinate
Dimetindene
Diphenhydramine
Diphenylpyraline
Doxylamine
Embramine
Etodroxizine
Etybenzatropine (ethylbenztropine)
Etymemazine
Fenethazine
Flunarizine
Histapyrrodine
Homochlorcyclizine
Hydroxyethylpromethazine
Hydroxyzine
Isopromethazine
Isothipendyl
Meclozine
Medrylamine
Mepyramine (pyrilamine)
Mequitazine
Methafurylene
Methapyrilene
Methdilazine
Moxastine
Orphenadrine
Oxatomide
Oxomemazine
Perlapine
Phenindamine
Pheniramine
Phenyltoloxamine
Pimethixene
Piperoxan
Pipoxizine
Promethazine
Propiomazine
Pyrrobutamine
Talastine
Thenalidine
Thenyldiamine
Thiazinamium
Thonzylamine
Tolpropamine
Tripelennamine
Triprolidine

Second/third-generation: Acrivastine
Alinastine
Astemizole
Azelastine
Bamirastine
Barmastine
Bepiastine
Bepotastine
Bilastine
Cabastinen
Carebastine
Cetirizine
Clemastine
Clemizole
Clobenztropine
Desloratadine
Dorastine
Ebastine
Efletirizine
Emedastine
Epinastine
Fexofenadine
Flezelastine
Ketotifen
Latrepirdine
Levocabastine
Levocetirizine
Linetastine
Loratadine
Mapinastine
Mebhydrolin
Mizolastine
Moxastine
Noberastine
Octastine
Olopatadine
Perastine
Pibaxizine
Piclopastine
Quifenadine (phencarol)
Rocastine
Rupatadine
Setastine
Sequifenadine (bicarphen)
Talastine
Temelastine
Terfenadine
Vapitadine
Zepastine

Others: Atypical antipsychotics (e.g., aripiprazole, asenapine, brexpiprazole, brilaroxazine, clozapine, iloperidone, olanzapine, paliperidone, quetiapine, risperidone, ziprasidone, zotepine)
Phenylpiperazine antidepressants (e.g., hydroxynefazodone, nefazodone, trazodone, triazoledione)
Tetracyclic antidepressants (e.g., amoxapine, loxapine, maprotiline, mianserin, mirtazapine, oxaprotiline)
Tricyclic antidepressants (e.g., amitriptyline, butriptyline, clomipramine, desipramine, dosulepin (dothiepin), doxepin, imipramine, iprindole, lofepramine, nortriptyline, protriptyline, trimipramine)
Typical antipsychotics (e.g., chlorpromazine, flupenthixol, fluphenazine, loxapine, perphenazine, prochlorperazine, thioridazine, thiothixene)

Unknown/unsorted: Azanator
Belarizine
Elbanizine
Flotrenizine
GSK1004723
Napactadine
Tagorizine
Trelnarizine
Trenizine

H₂

Agonists	Amthamine Betazole Dimaprit Histamine HTMT Impromidine L-Histidine UR-AK49
Antagonists	Bisfentidine Burimamide Cimetidine Dalcotidine Donetidine Ebrotidine Etintidine Famotidine Isolamtidine Lafutidine Lamtidine Lavoltidine (loxtidine) Lupitidine Metiamide Mifentidine Niperotidine Nizatidine Osutidine Oxmetidine Pibutidine Quisultazine (quisultidine) Ramixotidine Ranitidine Roxatidine Sufotidine Tiotidine Tuvatidine Venritidine Xaltidine Zolantidine

H₃

Agonists	α-Methylhistamine Cipralisant Histamine Imetit Immepip Immethridine L-Histidine Methimepip Proxyfan
Antagonists	A-349821 A-423579 ABT-239 ABT-652 AZD5213 Bavisant Betahistine Burimamide Ciproxifan Clobenpropit Conessine Enerisant GSK-189254 Impentamine Iodophenpropit Irdabisant JNJ-5207852 NNC 38-1049 PF-03654746 Pitolisant SCH-79687 Thioperamide VUF-5681

H₄

Agonists	4-Methylhistamine α-Methylhistamine Histamine L-Histidine OUP-16 VUF-8430
Antagonists	JNJ-7777120 Mianserin Seliforant Thioperamide Toreforant VUF-6002