| Member | Definition | Role |
|---|
| 1-(2-(4-aminophenyl)ethyl)-4-(3-trifluoromethylphenyl)piperazine | A N-arylpiperazine that is piperazine substituted by 2-(4-aminophenyl)ethyl and 3-(trifluoromethyl)phenyl groups at positions 1 and 4, respectively. It is a selective 5-HT1A serotonin receptor agonist and 5-HT1D serotonin receptor antagonist. | LY-165163 |
| 1-(3-chloro-5-benzo[b][1]benzoxepinyl)-4-methylpiperazine | | 1-(3-chloro-5-benzo[b][1]benzoxepinyl)-4-methylpiperazine |
| 1-benzylpiperazine | A tertiary amino compound that is piperazine substituted by a benzyl group at position 1. It is a serotonergic agonist used as a recreational drug. | 1-benzylpiperazine |
| 2-[4-(1,4-dithiepan-6-yl)-1-propan-2-yl-2-piperazinyl]ethanol | | 2-[4-(1,4-dithiepan-6-yl)-1-propan-2-yl-2-piperazinyl]ethanol |
| 3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-(6-(4-(4-ethylpiperazin-1-yl)-phenylamino)pyrimidin-4-yl)-1-methylurea | A member of the class of phenylureas that is urea in which a hydrogen attached to one of the nitrogens is replaced by a 2,6-dichloro-3,5-dimethoxyphenyl group, while the hydrogens attached to the other nitrogen are replaced by a methyl group and a 6-{[4-(4-ethylpiperazin-1-yl)phenyl]amino}pyrimidin-4-yl group. It is a potent and selective fibroblast growth factor receptor inhibitor. | BGJ-398 |
| abt-199 | A member of the class of pyrrolopyridines that is a potent inhibitor of the antiapoptotic protein B-cell lymphoma 2. It is used for treamtment of chronic lymphocytic leukemia with 17p deletion. | venetoclax |
| acetophenazine | A member of the class of phenothiazines that is 10H-phenothiazine substituted by a 3-[4-(2-hydroxyethyl)piperazin-1-yl]propyl group at the nitogen atom and an acetyl group at position 2. | acetophenazine |
| amperozide | A member of the class of ureas that is urea in which three of the four hydrogens are replaced by ethyl and 4-[4,4-bis(4-fluorophenyl)butyl]piperazin-1-yl groups. An atypical antipsychotic which was in clinical development for the treatment of schizophrenia and substance-related disorders. It is a potent 5-HT2A antagonist and used in veterinary medicine because of its sedative effect on pigs. | amperozide |
| aripiprazole | An N-arylpiperazine that is piperazine substituted by a 4-[(2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy]butyl group at position 1 and by a 2,3-dichlorophenyl group at position 4. It is an antipsychotic drug used for the treatment of Schizophrenia, and other mood disorders. | aripiprazole |
| aripiprazole lauroxil | A dodecanoate ester obtained by formal condensation of the carboxy group of dodecanoic acid with the hydroxy group of 7-{4-[4-(2,3-dichlorophenyl)piperazin-1-yl]butoxy}-2-oxo-3,4-dihydroquinolin-1(2H)-yl]methanol. A prodrug for aripiprazole, it is used for treatment of schizophrenia. | aripiprazole lauroxil |
| at 13387 | A member of the class of isoindoles that is isoindole in which the amino group has been acylated by a 2,4-dihydroxy-5-isopropylbenzoyl group and in which position 5 of the isoidole moiety has been substituted by a (4-methylpiperazin-1-yl)methyl group. A second-generation Hsp90 inhibitor. | onalespib |
| azaperone | An N-arylpiperazine that is 2-(piperazin-1-yl)pyridine in which the amino hydrogen is replaced by a 3-(4-fluobenzoyl)propyl group. Used mainly as a tranquiliser for pigs and elephants. | azaperone |
| brl 15572 | An N-alkylpiperazine that is 1-(3-chlorophenyl)piperazine carrying a 3,3-diphenyl-2-hydroxyprop-1-yl group at position 4. A selective h5-HT1D antagonist, displaying 60-fold selectivity over h5-HT1B, and exhibiting little or no affinity for a range of other receptor types. | 3-[4-(3-chlorophenyl)piperazin-1-yl]-1,1-diphenylpropan-2-ol |
| buclizine | An N-alkylpiperazine carrying (4-chlorophenyl)(phenyl)methyl and 4-tert-butylbenzyl groups. | buclizine |
| buspirone | An azaspiro compound that is 8-azaspiro[4.5]decane-7,9-dione substituted at the nitrogen atom by a 4-(piperazin-1-yl)butyl group which in turn is substituted by a pyrimidin-2-yl group at the N(4) position. | buspirone |
| cinnarizine | | cinnarizine |
| clopenthixol | A thioxanthene derivative having a chloro substituent at the 2-position and an alkylidene group at the 10-position with undefined double bond stereochemistry. | clopenthixol |
| cyclizine | An N-alkylpiperazine in which one nitrogen of the piperazine ring is substituted by a methyl group, while the other is substituted by a diphenylmethyl group. | cyclizine |
| dapiprazole | | dapiprazole |
| DDR1-IN-1 | A secondary carboxamide resulting from the formal condensation of the carboxy group of 4-[(4-ethylpiperazin-1-yl)methyl]-3-(trifluoromethyl)benzoic acid with the amino group of 5-(5-amino-2-methylphenoxy)-1,3-dihydro-2H-indol-2-one. It is a potent inhibitor of discoidin domain receptor tyrosine kinase 1 and 2 (DDR1/2) with IC50 = 105 nM and 413 nM, respectively. | DDR1-IN-1 |
| difloxacin | A quinolone that is pefloxacin in which the ethyl group at position 1 of the quinolone has been replaced by a p-fluorophenyl group. A broad-spectrum antibiotic effective against both Gram-positive and Gram-negative bacteria, it is used (usually as the monohydrochloride salt) for the treatment of bacterial infections in dogs. | difloxacin |
| dotarizine | An N-alkylpiperazine in which the two amino hydrogens of piperazine have been replaced by diphenylmethyl and 3-(2-phenyl-1,3-dioxolan-2-yl)propyl groups. A calcium channel blocker and serotonin (5-HT2) receptor antagonist used in the treatment of migraine. | dotarizine |
| enrofloxacin | A quinolinemonocarboxylic acid that is 1,4-dihydroquinoline-3-carboxylic acid substituted by an oxo group at position 4, a fluoro group at position 6, a cyclopropyl group at position 1 and a 4-ethylpiperazin-1-yl group at position 7. It is a veterinary antibacterial agent used for the treatment of pets. | enrofloxacin |
| eprazinone | A member of the class of piperazines in which the two amino hydrogens of piperazine are replaced by 2-benzoylpropyl and 2-ethoxy-2-phenylethyl groups. | eprazinone |
| erastin | A member of the class of quinazolines that is quinazolin-4(3H)-one in which the hydrogens at positions 2 and 3 are replaced by 1-{4-[(4-chlorophenoxy)acetyl]piperazin-1-yl}ethyl and 2-ethoxyphenyl groups, respectively. It is an inhibitor of voltage-dependent anion-selective channels (VDAC2 and VDAC3) and a potent ferroptosis inducer. | erastin |
| fleroxacin | A fluoroquinolone antibiotic that is 4-oxo-1,4-dihydroquinoline which is substituted at positions 1, 3, 6, 7 and 8 by 2-fluoroethyl, carboxy, fluoro, 4-methylpiperazin-1-yl and fluoro groups, respectively. It is active against many Gram-positive and Gram-negative bacteria. | fleroxacin |
| flibanserin | An N-alkylpiperazine that is 1-[2-(1,3-dihydro-2-oxobenzimidazol-1-yl)ethyl]piperazine in which the remaining amino proton is replaced by a 3-(trifluoromethyl)phenyl group. A multifunctional serotonin agonist and antagonist which is used for the treatment of pre-menopausal women with hypoactive sexual desire disorder. | flibanserin |
| fluphenazine | A member of the class of phenothiazines that is 10H-phenothiazine having a trifluoromethyl subsitituent at the 2-position and a 3-[4-(2-hydroxyethyl)piperazin-1-yl]propyl group at the N-10 position. | fluphenazine |
| fluphenazine depot | The prodrug of fluphenazine, an antipsychotic drug used for the symptomatic management of psychosis in patients with schizophrenia. | fluphenazine decanoate |
| gbr 12935 | An N-alkylpiperazine that consists of piperazine bearing 2-(benzhydryloxy)ethyl and 3-phenylpropyl groups at positions 1 and 4 respectively. Potent and selective inhibitor of dopamine uptake (KD = 5.5 nM in rat striatal membranes). | 1-[2-(benzhydryloxy)ethyl]-4-(3-phenylpropyl)piperazine |
| gr 127935 | A member of the class of benzamides obtained by formal condensation of the carboxy group of 2'-methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)biphenyl-4-carboxylic acid and the anilino group of 4-methoxy-3-(4-methylpiperazin-1-yl)aniline. Potent and selective 5-HT1B/1D receptor antagonist (pKi values are 8.5 for both guinea pig 5-HT1D and rat 5-HT1B receptors). Displays > 100-fold selectivity over 5HT1A, 5-HT2A, 5-HT2C receptors and other receptor types. Centrally active following oral administration. | GR 127935 |
| gsk343 | A member of the class of indazoles that is 1-isopropyl-1H-indazole-4-carboxamide in which the nitrogen of the carboxamide group is substituted by a (6-methyl-2-oxo-4-propyl-1,2-dihydropyridin-3-yl)methyl group and in which the indazole ring is substituted at position 6 by a 2-(4-methylpiperazin-1-yl)pyridin-4-yl group. A highly potent and selective EZH2 inhibitor (IC50 = 4 nM). | GSK343 |
| hg-9-91-01 | A member of the class of phenylureas that is a potent inhibitor of salt-inducible kinase 2, a potential target protein for therapy in ovarian cancer. | HG-9-91-01 |
| hydroxyzine | A N-alkylpiperazine that is piperzine in which the nitrogens atoms are substituted by 2-(2-hydroxyethoxy)ethyl and (4-chlorophenyl)(phenyl)methyl groups respectively. | hydroxyzine |
| lrrk2-in1 | A member of the class of pyrimidobenzodiazepines that is 5,11-dimethylpyrimido[4,5-b][1,4]benzodiazepin-6-one carrying at C-2 on the pyrimidine ring a 4-[(4-methylpiperazin-1-yl)piperidine-1-carbonyl]-2-methoxyanilino substituent. It is an inhibitor of the Parkinson's disease kinase LRRK2. | LRRK2-IN-1 |
| masitinib | A member of the class of benzamides that is the carboxamide resulting from the formal condensation of the carboxy group of 4-[(4-methylpiperazin-1-yl)methyl]benzoic acid with the primary amino group of 4-methyl-N(3)-[4-(pyridin-3-yl)-1,3-thiazol-2-yl]benzene-1,3-diamine. It is a highly selective oral tyrosine kinase inhibitor. | masitinib |
| methiothepin | A dibenzothiepine that is 10,11-dihydrodibenzo[b,f]thiepine bearing additional methylthio and 4-methylpiperazin-1-yl substituents at positions 8 and 10 respectively. Potent 5-HT2 antagonist, also active as 5-HT1 antagonist. Differentiates 5-HT1D sub-types. Also displays affinity for rodent 5-HT5B, 5-HT5A, 5-HT7 and 5-HT6 receptors (pK1 values are 6.6, 7.0, 8.4 and 8.7 respectively). | methiothepin |
| metofenazate | A phenothiazine derivative having a chloro subsitituent at the 2-position and a 4-substituted 3-(piperazin-1-yl)propyl group at the N-10 position. | metofenazate |
| mirodenafil | A member of the class of pyrrolopyrimidines that is 3,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one having a 5-{[4-(2-hydroxyethyl)piperazin-1-yl]sulfonyl}-2-propoxyphenyl group at positon 2, ethyl group at position 5, and a propyl group at position 7. It is a phosphodiesterase type 5 inhibitor which is used for the treatment of erectile dysfunction. | mirodenafil |
| ML-210 | An N-acylpiperazine that is piperazine substituted by 5-methyl-4-nitro-1,2-oxazole-3-carbonyl and bis(4-chlorophenyl)methyl groups at positions 1 and 4, respectively. It is a glutathione peroxidase 4 (GPX4) inhibitor which induces ferroptosis in cancer cells expressing the RAS oncogene. | ML-210 |
| n-methylquipazine | An aminoquinoline that consists of quinoline in which the hydrogen at position 2 is substituted by a 4-methylpiperazin-1-yl group. A 5-HT3 agonist. Has almost the same affinity for 5-HT3 sites as quipazine but unlike the latter, does not bind to 5-HT1B sites. | N-methylquipazine |
| nan 190 | An N-alkylpiperazine that consists of (2-methoxyphenyl)piperazine in which the amine hydrogen is substituted by a 4-(2-phthalimido)butyl group. | NAN 190 |
| nefazodone | | nefazodone |
| netupitant | A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 2-[3,5-bis(trifluoromethyl)phenyl]-2-methylpropanoic acid with the secondary amino group of N-methyl-4-(2-methylphenyl)-6-(4-methylpiperazin-1-yl)pyridin-3-amine; an antiemetic used in combination with palonosetron hydrochloride (under the trade name Akynzeo) to treat nausea and vomiting in patients undergoing cancer chemotherapy. | netupitant |
| oxatomide | A member of the class of benzimidazoles that is 1,3-dihydro-2H-benzimidazol-2-one substituted by a 3-[4-(diphenylmethyl)piperazin-1-yl]propyl group at position 1. It is an anti-allergic drug. | oxatomide |
| pefloxacin | A quinolone that is 4-oxo-1,4-dihydroquinoline which is substituted at positions 1, 3, 6 and 7 by ethyl, carboxy, fluorine, and 4-methylpiperazin-1-yl groups, respectively. | pefloxacin |
| perazine | A phenothiazine derivative in which 10H-phenothiazinecarries a 3-(4-methylpiperazin-1-yl)propyl substituent at the N-10 position. | perazine |
| perphenazine | A phenothiazine derivative in which the phenothiazine tricycle carries a chloro substituent at the 2-position and a 3-[4-(2-hydroxyethyl)piperazin-1-yl]propyl group at N-10. | perphenazine |
| prochlorperazine | A member of the class of phenothiazines that is 10H-phenothiazine having a chloro substituent at the 2-position and a 3-(4-methylpiperazin-1-yl)propyl group at the N-10 position. | prochlorperazine |
| proglumetacin | A carboxylic ester obtained by formal condensation of the carboxy group of indometacin with the hydroxy group of 3-[4-(2-hydroxyethyl)piperazin-1-yl]propyl N(2)-benzoyl-N,N-dipropyl-alpha-glutaminate. Used (as its dimaleate salt) to control pain and inflammation associated with musculoskeletal and joint disorders. Following oral administration, it is metabolised to indometacin and proglumide, a drug with antisecretory effects that helps prevent injury to the stomach lining. | proglumetacin |
| quetiapine | | quetiapine |
| ranolazine | An aromatic amide obtained by formal condensation of the carboxy group of 2-{4-[2-hydroxy-3-(2-methoxyphenoxy)propyl]piperazin-1-yl}acetic acid with the amino group of 2,6-dimethylaniline. | N-(2,6-dimethylphenyl)-2-{4-[2-hydroxy-3-(2-methoxyphenoxy)propyl]piperazin-1-yl}acetamide |
| razoxane | | razoxane |
| rifapentine | | rifapentine |
| scio-469 | An indolecarboxamide obtained by formal condensation of the carboxy group of 6-chloro-3-[(dimethylamino)(oxo)acetyl]-1-methylindole-5-carboxylic acid with the secondary amino group of (2S,5R)-1-[(4-fluorophenyl)methyl]-2,5-dimethylpiperazine. It is a potent inhibitor of MAPK and exhibits anti-cancer properties. | talmapimod |
| sotrastaurin | A member of the class of maleimides that is maleimide which is substituted at position 3 by an indol-3-yl group and at position 4 by a quinazolin-4-yl group, which in turn is substituted at position 2 by a 4-methylpiperazin-1-yl group. It is a potent and selective inhibitor of protein kinase C and has been investigated as an immunosuppresant in renal transplant patients. | sotrastaurin |
| tandospirone | A dicarboximide that is (3aR,4S,7R,7aS)-hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione which is substituted by a 4-[4-(pyrimidin-2-yl)piperazin-1-yl]butyl group at position 2. It is a potent and selective 5-HT1A receptor partial agonist (Ki = 27 nM). | tandospirone |
| tg101209 | A member of the class of pyrimidines that is 5-methylpyrimidine-2,4-diamine in which the amino group at position 2 is substituted by a p-(4-methylpiperazin-1-yl)phenyl group, while that at position 4 is substituted by a m-(tert-butylsulfamoyl)phenyl group. A Janus kinase 2 (JAK2) inhibitor. | TG101209 |
| thiopropazate | A phenothiazine derivative in which 10H-phenothiazine has a chloro subsitituent at the 2-position and a 3-[4-(2-acetoxyethyl)piperazin-1-yl]propyl group at N-10. | thiopropazate |
| thioproperazine | A phenothiazine derivative in which the phenothiazine tricycle has a dimethylaminosulfonyl substituent at the 2-position and a 3-(4-methylpiperazin-1-yl)propyl group at N-10. | thioproperazine |
| trazodone | An N-arylpiperazine in which one nitrogen is substituted by a 3-chlorophenyl group, while the other is substituted by a 3-(3-oxo[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)propyl group. | trazodone |
| trifluoperazine | A member of the class of phenothiazines that is phenothiazine having a trifluoromethyl subsitituent at the 2-position and a 3-(4-methylpiperazin-1-yl)propyl group at the N-10 position. | trifluoperazine |
| triforine | A member of the class of N-alkylpiperazines in which the two amino groups of piperazine are replaced by 1-formamido-2,2,2-trichloroethyl groups. A fungicide active against a range of diseases including powdery mildew, scab and rust. | triforine |
| vanoxerine | An N-alkylpiperazine that consists of piperazine bearing 2-bis(4-fluorophenyl)methoxy]ethyl and 3-phenylpropyl groups at positions 1 and 4 respectively. Potent, competitive inhibitor of dopamine uptake (Ki = 1 nM for inhibition of striatal dopamine uptake). Has > 100-fold lower affinity for the noradrenalin and 5-HT uptake carriers. Also a potent sigma ligand (IC50 = 48 nM). Centrally active following systemic administration. | vanoxerine |
| vardenafil | The sulfonamide resulting from formal condensation of the sulfo group of 4-ethoxy-3-(5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one-2-yl)benzenesulfonic acid and the secondary amino group of 4-ethylpiperazine. | vardenafil |
| vilazodone | A 1-benzofuran that is 5-(piperazin-1-yl}-1-benzofuran-2-carboxamide having a (5-cyanoindol-3-yl)butyl group attached at position N-4 on the piperazine ring. Used for the treatment of major depressive disorder. | vilazodone |