Adatanserin

Adatanserin
Clinical data
ATC code	none;
Identifiers
	IUPAC name N-[2-(4-pyrimidin-2-ylpiperazin-1-yl)ethyl]adamantane-1-carboxamide;
CAS Number	127266-56-2 ;
PubChem CID	130918;
ChemSpider	115774 ;
UNII	W5U6WQM26H;
ChEMBL	ChEMBL2107510 ;
CompTox Dashboard (EPA)	DTXSID90869749 ;
Chemical and physical data
Formula	C21H31N5O
Molar mass	369.513 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C(NCCN2CCN(c1ncccn1)CC2)C35CC4CC(CC(C3)C4)C5;
	InChI InChI=1S/C21H31N5O/c27-19(21-13-16-10-17(14-21)12-18(11-16)15-21)22-4-5-25-6-8-26(9-7-25)20-23-2-1-3-24-20/h1-3,16-18H,4-15H2,(H,22,27) ; Key:HPFLVTSWRFCPCV-UHFFFAOYSA-N ;

Adatanserin (WY-50,324, SEB-324) is a mixed 5-HT_1A receptor partial agonist and 5-HT_2A and 5-HT_2C receptor antagonist.^[1]^[2]^[3] It was under development by Wyeth as an antidepressant but was ultimately not pursued.^[3]^[4]

Adantaserin has been shown to be neuroprotective against ischemia-induced glutamatergic excitotoxicity, an effect which appears to be mediated by blockade of the 5-HT_2A receptor.^[5]

Synthesis

2-Chloropyrimidine (1) reacts with piperazine (2), forming 2-(1-piperazinyl)pyrimidine (3). Treatment with the phthalimide derivative N-(2-bromoethyl)phthalimide (4) in an alkylation reaction produces (5), which is deprotected using hydrazine to give the primary amine (6). Amide formation with the acid chloride of 1-adamantanecarboxylic acid yields adatanserin.^[6]^[3]

References

^ Singh A, Lucki I (April 1993). "Antidepressant-like activity of compounds with varying efficacy at 5-HT1A receptors". Neuropharmacology. 32 (4): 331–40. doi:10.1016/0028-3908(93)90153-T. PMID 8497336. S2CID 38611829.
^ Kleven MS, Koek W (February 1996). "Pharmacological characterization of in vivo properties of putative mixed 5-HT1A agonist/5-HT2A/2C antagonist anxiolytics. I. Antipunishment effects in the pigeon". The Journal of Pharmacology and Experimental Therapeutics. 276 (2): 388–97. PMID 8632301.
^ ^a ^b ^c Abou-Gharbia MA, Childers WE, Fletcher H, et al. (December 1999). "Synthesis and SAR of adatanserin: novel adamantyl aryl- and heteroarylpiperazines with dual serotonin 5-HT(1A) and 5-HT(2) activity as potential anxiolytic and antidepressant agents". Journal of Medicinal Chemistry. 42 (25): 5077–94. doi:10.1021/jm9806704. PMID 10602693.
^ Stahl, S. M. (2000). Essential psychopharmacology: neuroscientific basis and practical application. Cambridge, UK: Cambridge University Press. p. 262. ISBN 0-521-64615-4. adatanserin.
^ Dawson LA, Galandak J, Djali S (March 2002). "Attenuation of ischemic efflux of endogenous amino acids by the novel 5-HT(1A)/5-HT(2) receptor ligand adatanserin". Neurochemistry International. 40 (3): 203–9. doi:10.1016/S0197-0186(01)00082-1. PMID 11741003. S2CID 24104458.
^ US patent 5482940, Magid A.-M., et al., "Use of aryl- and heteroaryl piperazinyl carboxamides in the treatment of various central nervous system disorders", issued 1996-01-09, assigned to American Home Products Corp

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[pmid8497336-1] Singh A, Lucki I (April 1993). "Antidepressant-like activity of compounds with varying efficacy at 5-HT1A receptors". Neuropharmacology. 32 (4): 331–40. doi:10.1016/0028-3908(93)90153-T. PMID 8497336. S2CID 38611829.

[pmid8632301-2] Kleven MS, Koek W (February 1996). "Pharmacological characterization of in vivo properties of putative mixed 5-HT1A agonist/5-HT2A/2C antagonist anxiolytics. I. Antipunishment effects in the pigeon". The Journal of Pharmacology and Experimental Therapeutics. 276 (2): 388–97. PMID 8632301.

[pmid10602693-3] Abou-Gharbia MA, Childers WE, Fletcher H, et al. (December 1999). "Synthesis and SAR of adatanserin: novel adamantyl aryl- and heteroarylpiperazines with dual serotonin 5-HT(1A) and 5-HT(2) activity as potential anxiolytic and antidepressant agents". Journal of Medicinal Chemistry. 42 (25): 5077–94. doi:10.1021/jm9806704. PMID 10602693.

[isbn0-521-64615-4-4] Stahl, S. M. (2000). Essential psychopharmacology: neuroscientific basis and practical application. Cambridge, UK: Cambridge University Press. p. 262. ISBN 0-521-64615-4. adatanserin.

[pmid11741003-5] Dawson LA, Galandak J, Djali S (March 2002). "Attenuation of ischemic efflux of endogenous amino acids by the novel 5-HT(1A)/5-HT(2) receptor ligand adatanserin". Neurochemistry International. 40 (3): 203–9. doi:10.1016/S0197-0186(01)00082-1. PMID 11741003. S2CID 24104458.

[6] US patent 5482940, Magid A.-M., et al., "Use of aryl- and heteroaryl piperazinyl carboxamides in the treatment of various central nervous system disorders", issued 1996-01-09, assigned to American Home Products Corp

[1]

[2]

[3]

[4]

[5]

[6]

v t e Piperazines
Simple piperazines (no additional rings)	Aminoethylpiperazine Diethylcarbamazine HEPPS Midafotel Piperazine PIPES
Phenylpiperazines	2C-B-PP 3,4-CFP Acaprazine Antrafenine Aripiprazole Batoprazine Bifeprunox BRL-15,572 Ciprofloxacin CSP-2503 Dapiprazole DCPP DMPP Diphenylpiperazine Dropropizine EGIS-12,233 Elopiprazole Eltoprazine Enpiprazole Ensaculin Etoperidone Flesinoxan Fluanisone Flibanserin Fluprazine Itraconazole Ketoconazole Levodropropizine Lorpiprazole mCPP Mefway MeOPP Mepiprazole Naftopidil Naluzotan Naphthylpiperazine Nefazodone Niaprazine Oxypertine Pardoprunox pCPP pFPP Posaconazole S-14,506 S-14,671 S-15,535 SB-258,585 SB-271,046 SB-357,134 SB-399,885 Sonepiprazole TFMPP Tolpiprazole Trazodone Urapidil Vesnarinone Vilazodone Vortioxetine WAY-100,135 WAY-100,635
Benzylpiperazines	2C-B-BZP 3-Methylbenzylpiperazine Befuraline Bifeprunox Buclizine BZP Chlorbenzoxamine DBZP Fipexide Imatinib MBZP MDBZP Meclozine Methoxypiperamide NSI-189 Piberaline Piribedil RN-1747 Sunifiram Trimetazidine Vesnarinone
Diphenylalkylpiperazines (benzhydrylalkylpiperazines)	AD-1211 Almitrine Amperozide BRL-15,572 Buclizine BW373U86 Cetirizine Chlorbenzoxamine Chlorcyclizine Cinnarizine Clocinizine Cyclizine DBL-583 Diphenpipenol Diphenylmethylpiperazine Dotarizine DPI-221 DPI-287 DPI-3290 GBR-12,783 GBR-12,935 GBR-13,069 GBR-13,098 GBR-13,119 Hydroxyzine JJC8-088 Lidoflazine Manidipine Meclozine MT-45 Oxatomide SNC-80 Vanoxerine
Pyrimidinylpiperazines	Buspirone Dasatinib Eptapirone Gepirone Ipsapirone Piribedil Pyrimidinylpiperazine Revospirone Tandospirone Tirilazad Trimazosin Umespirone Zalospirone
Pyridinylpiperazines	Atevirdine Azaperone Delavirdine Mirtazapine ORG-12962 Pyridinylpiperazine
Benzo(iso)thiazolyl piperazines	Lurasidone Perospirone Revospirone Tiospirone Ziprasidone
Tricyclics (piperazine attached via side chain)	Amoxapine Clopenthixol Clorotepine Clozapine Cyanothepin Doclothepin Docloxythepin Flupentixol Fluphenazine Isofloxythepin Loxapine Meperathiepin Metitepine Octomethothepin Olanzapine Opipramol Oxyclothepin Oxyprothepin Peradithiepin Perathiepin Perazine Perphenazine Pirenzepine Prochlorperazine Thiethylperazine Thiothixene Trifluoperazine Trifluthepin Zuclopenthixol
Others/Uncategorized	6-Nitroquipazine AP-238 Azimilide Bucinnazine Cinepazet Cinepazic acid Cinepazide CPD-1 Cyclohexylpiperazine EGIS-7625 Hexocyclium Indinavir JNJ-7777120 Lodenafil MK-212 Mirodenafil PB-28 Quipazine Ranolazine SA-4503 Sildenafil Tadalafil Vardenafil VUF-6002 WY-46824 Zipeprol

Clinical data

ATC code	none
Identifiers
IUPAC name N-[2-(4-pyrimidin-2-ylpiperazin-1-yl)ethyl]adamantane-1-carboxamide
CAS Number	127266-56-2^Y
PubChem CID	130918
ChemSpider	115774^Y
UNII	W5U6WQM26H
ChEMBL	ChEMBL2107510^Y
CompTox Dashboard (EPA)	DTXSID90869749
Chemical and physical data
Formula	C₂₁H₃₁N₅O
Molar mass	369.513 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES O=C(NCCN2CCN(c1ncccn1)CC2)C35CC4CC(CC(C3)C4)C5
InChI InChI=1S/C21H31N5O/c27-19(21-13-16-10-17(14-21)12-18(11-16)15-21)22-4-5-25-6-8-26(9-7-25)20-23-2-1-3-24-20/h1-3,16-18H,4-15H2,(H,22,27)^Y Key:HPFLVTSWRFCPCV-UHFFFAOYSA-N^Y

Adatanserin

Synthesis

See also

References