8-Cyclopentyl-1,3-dimethylxanthine

8-Cyclopentyl-1,3-dimethylxanthine
Clinical data
ATC code	None;
Legal status
Legal status	In general: uncontrolled;
Identifiers
	IUPAC name 8-Cyclopentyl-1,3-dimethyl-7H-purine-2,6-dione;
CAS Number	35873-49-5 ;
PubChem CID	1917;
IUPHAR/BPS	385;
ChemSpider	1843 ;
UNII	U7PWT4CPL5;
ChEBI	CHEBI:109538;
ChEMBL	ChEMBL106265 ;
E number	{{#property:P628}}
CompTox Dashboard (EPA)	{{#property:P3117}}Lua error in Module:EditAtWikidata at line 29: attempt to index field 'wikibase' (a nil value).;
ECHA InfoCard	{{#property:P2566}}Lua error in Module:EditAtWikidata at line 29: attempt to index field 'wikibase' (a nil value).
Chemical and physical data
Formula	C12H16N4O2
Molar mass	248.286 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES Cn3c(=O)c2nc(C1CCCC1)[nH]c2n(C)c3=O;
	InChI InChI=1S/C12H16N4O2/c1-15-10-8(11(17)16(2)12(15)18)13-9(14-10)7-5-3-4-6-7/h7H,3-6H2,1-2H3,(H,13,14) ; Key:SCVHFRLUNIOSGI-UHFFFAOYSA-N ;
	(verify)

8-Cyclopentyl-1,3-dimethylxanthine (8-Cyclopentyltheophylline, 8-CPT, CPX) is a drug which acts as a potent and selective antagonist for the adenosine receptors, with some selectivity for the A₁ receptor subtype, as well as a non-selective phosphodiesterase inhibitor. It has stimulant effects in animals with slightly higher potency than caffeine.^[1]^[2]

References

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[1]

[2]

v t e Phosphodiesterase inhibitors
PDE1	MMPX SCH-51866 Vinpocetine
PDE2	BAY 60-7550 Carbazeran EHNA Oxindole PDP
PDE3	Adibendan Amrinone (inamrinone) Anagrelide Benafentrine Bucladesine Carbazeran Cilostamide Cilostazol Enoximone Ensifentrine Imazodan KMUP-1 Meribendan Milrinone Olprinone Parogrelil Pimobendan Pumafentrine Quazinone RPL-554 Siguazodan Trequinsin Vesnarinone Zardaverine
PDE4	Apremilast Arofylline Atizoram Benafentrine Catramilast CC-1088 CDP-840 CGH-2466 Cilomilast Cipamfylline Crisaborole Denbutylline Difamilast Drotaverine Ensifentrine Etazolate Filaminast Glaucine HT-0712 ICI-63197 Indimilast Irsogladine Lavamilast Lirimilast Lotamilast Luteolin Mesembrenone Mesembrine Mesopram Oglemilast Piclamilast Pumafentrine Revamilast Ro 20-1724 Roflumilast Rolipram Ronomilast RPL-554 RS-25344 Tetomilast Tofimilast YM-976 Zardaverine
PDE5	Acetildenafil Aildenafil Avanafil Beminafil Benzamidenafil Dasantafil Icariin Gisadenafil Homosildenafil Lodenafil Mirodenafil MY-5445 Nitrosoprodenafil Norcarbodenafil SCH-51866 Sildenafil Sulfoaildenafil T-0156 Tadalafil Udenafil Vardenafil
PDE7	BRL-50481
PDE9	BAY 73-6691 PF-04447943 Paraxanthine
PDE10	Balipodect Mardepodect MK-8189 Papaverine TC-E 5005 Tofisopam
PDE11	BC11-38
Non-selective	Aminophylline Caffeine Choline theophyllinate CPX Dipyridamole Doxofylline Enprofylline Ibudilast IBMX Luteolin Pentoxifylline Propentofylline Theobromine Theophylline Zaprinast
Unsorted	Diazepam Diprophylline DPCPX Furafylline Lisofylline MDL-12330A Moxaverine Oxagrelate Pentifylline Proxyphylline Quercetin Satigrel Tolafentrine Trapidil
See also: Receptor/signaling modulators

v t e Stimulants
Adamantanes	Adapromine Amantadine Bromantane Memantine Rimantadine
Adenosine antagonists	8-Chlorotheophylline 8-Cyclopentyltheophylline 8-Phenyltheophylline Aminophylline Caffeine CGS-15943 Dimethazan Istradefylline Paraxanthine SCH-58261 Theobromine Theophylline
Alkylamines	Cyclopentamine Cypenamine Cyprodenate Heptaminol Isometheptene Methylhexaneamine Octodrine Propylhexedrine Tuaminoheptane
Ampakines	CX-516 CX-546 CX-614 CX-691 CX-717 IDRA-21 LY-404,187 LY-503,430 Nooglutyl Org 26576 PEPA S-18986 Sunifiram Unifiram
Arylcyclohexylamines	Benocyclidine Dieticyclidine Esketamine Eticyclidine Gacyclidine Ketamine Phencyclamine Phencyclidine Rolicyclidine Tenocyclidine Tiletamine
Benzazepines	6-Br-APB SKF-77434 SKF-81297 SKF-82958
Cathinones	3-FMC 3-MMC 3,4-DMMC 4-BMC 4-CMC 4-Methylbuphedrone 4-Methylcathinone 4-MEAP 4-Methylpentedrone Amfepramone Benzedrone Buphedrone Bupropion Butylone Cathinone Dimethylcathinone Ethcathinone Ethylone Flephedrone Hexedrone Isoethcathinone Mephedrone Methcathinone Methedrone Methylenedioxycathinone Methylone Mexedrone N-Ethylbuphedrone N-Ethylhexedrone Pentedrone Pentylone Phthalimidopropiophenone
Cholinergics	A-84,543 A-366,833 ABT-202 ABT-418 AR-R17779 Altinicline Anabasine Arecoline Bradanicline Cotinine Cytisine Dianicline Epibatidine Epiboxidine GTS-21 Ispronicline Nicotine PHA-543,613 PNU-120,596 PNU-282,987 Pozanicline Rivanicline Sazetidine A SIB-1553A SSR-180,711 TC-1698 TC-1827 TC-2216 Tebanicline UB-165 Varenicline WAY-317,538
Convulsants	Anatoxin-a Bicuculline DMCM Flurothyl Gabazine Pentetrazol Picrotoxin Strychnine Thujone
Eugeroics	Adrafinil Armodafinil CRL-40,940 CRL-40,941 Fluorenol Modafinil
Oxazolines	4-Methylaminorex Aminorex Clominorex Cyclazodone Fenozolone Fluminorex Pemoline Thozalinone
Phenethylamines	1-(4-Methylphenyl)-2-aminobutane 1-Methylamino-1-(3,4-methylenedioxyphenyl)propane 2-Fluoroamphetamine 2-Fluoromethamphetamine 2-OH-PEA 2-Phenyl-3-aminobutane 2,3-MDA 3-Fluoroamphetamine 3-Fluoroethamphetamine 3-Methoxyamphetamine 3-Methylamphetamine 4-Fluoroamphetamine 4-Fluoromethamphetamine 4-MA 4-MMA 4-MTA 6-FNE AL-1095 Alfetamine a-Ethylphenethylamine Amfecloral Amfepentorex Amidephrine 2-Amino-1,2-dihydronaphthalene 2-Aminoindane 5-(2-Aminopropyl)indole 2-Aminotetralin Acridorex Amphetamine (Dextroamphetamine, Levoamphetamine) Amphetaminil Arbutamine β-Methylphenethylamine β-Phenylmethamphetamine Benfluorex Benzphetamine BDB BOH 3-Benzhydrylmorpholine BPAP Camfetamine Cathine Chlorphentermine Cilobamine Cinnamedrine Clenbuterol Clobenzorex Cloforex Clortermine Cypenamine D-Deprenyl Denopamine Dimethoxyamphetamine Dimethylamphetamine Dobutamine DOPA (Dextrodopa, Levodopa) Dopamine Dopexamine Droxidopa EBDB Ephedrine Epinephrine Epinine Etafedrine Ethylnorepinephrine Etilamfetamine Etilefrine Famprofazone Fencamfamin Fencamine Fenethylline Fenfluramine (Dexfenfluramine, Levofenfluramine) Fenproporex Feprosidnine Fludorex Formetorex Furfenorex Gepefrine Hexapradol HMMA Hordenine 4-Hydroxyamphetamine 5-Iodo-2-aminoindane Ibopamine Indanylamphetamine Iofetamine Isoetarine Isoprenaline L-Deprenyl (Selegiline) Lefetamine Lisdexamfetamine Lophophine MBDB MDA (tenamfetamine) MDBU MDEA MDMA (midomafetamine) MDMPEA MDOH MDPR MDPEA Mefenorex Mephentermine Metanephrine Metaraminol Mesocarb Methamphetamine (Dextromethamphetamine, Levomethamphetamine) Methoxamine Methoxyphenamine MMA Methoxyphenamine MMDA MMDMA MMMA Morforex N,alpha-Diethylphenylethylamine N,N-Dimethylphenethylamine Naphthylamphetamine Nisoxetine Norepinephrine Norfenefrine Norfenfluramine Normetanephrine L-Norpseudoephedrine Octopamine Orciprenaline Ortetamine Oxifentorex Oxilofrine PBA PCA PCMA PHA Pentorex Phenatine Phenpromethamine Phentermine Phenylalanine Phenylephrine Phenylpropanolamine Pholedrine PIA PMA PMEA PMMA PPAP Prenylamine Propylamphetamine Pseudoephedrine Pyr-AI Ropinirole Salbutamol (Levosalbutamol) Sibutramine Solriamfetol Synephrine Theodrenaline Tiflorex Tranylcypromine Tyramine Tyrosine Xylopropamine Zylofuramine
Phenylmorpholines	3-Fluorophenmetrazine Fenbutrazate Fenmetramide G-130 Manifaxine Morazone Morforex Oxaflozane PD-128,907 Phendimetrazine Phenmetrazine 2-Phenyl-3,6-dimethylmorpholine Pseudophenmetrazine Radafaxine
Piperazines	2C-B-BZP 3C-PEP BZP CM156 DBL-583 GBR-12783 GBR-12935 GBR-13069 GBR-13098 GBR-13119 JJC8-088 MeOPP MBZP oMPP Vanoxerine
Piperidines	1-Benzyl-4-(2-(diphenylmethoxy)ethyl)piperidine 2-Benzylpiperidine 2-Methyl-3-phenylpiperidine 3,4-Dichloromethylphenidate 4-Benzylpiperidine 4-Fluoromethylphenidate 4-Methylmethylphenidate Desoxypipradrol Difemetorex Diphenylpyraline Ethylnaphthidate Ethylphenidate Methylnaphthidate Isopropylphenidate JZ-IV-10 Methylphenidate (Dexmethylphenidate) Nocaine Phacetoperane Pipradrol Propylphenidate Serdexmethylphenidate SCH-5472
Phenethylpyrrolidines	2-Diphenylmethylpyrrolidine 4-Cl-PVP 5-DBFPV α-PPP α-PBP α-PCYP α-PHiP α-PHP α-PHPP α-PVP α-PVT Diphenylprolinol DMPVP FPOP FPVP MDPPP MDPBP MPBP MPEP MPHP MPPP MOPVP MOPPP Indapyrophenidone MDPV Naphyrone PEP Picilorex Prolintane Pyrovalerone
Racetams	Oxiracetam Phenylpiracetam Phenylpiracetam hydrazide
Psychedelics	2,5-DMA (DOH) 2C-B 2C-D 2C-G-N 5-MeO-DiPT 5-MeO-MiPT Ariadne (4C-DOM; BL-3912; Dimoxamine) ASR-2001 (2CB-5PrO) DOET DOM DON DOPR LSD MTFEM
Tropanes	4-fluorotropacocaine 4'-Fluorococaine Altropane (IACFT) Brasofensine CFT (WIN 35,428) β-CIT (RTI-55) Cocaethylene Cocaine Dichloropane (RTI-111) Difluoropine FE-β-CPPIT FP-β-CPPIT Ioflupane (¹²³I) Norcocaine PIT PTT RTI-31 RTI-32 RTI-51 RTI-112 RTI-113 RTI-120 RTI-121 (IPCIT) RTI-126 RTI-150 RTI-177 RTI-229 RTI-336 RTI-354 RTI-371 RTI-386 Salicylmethylecgonine Tesofensine Troparil (β-CPT, WIN 35,065-2) Tropoxane WF-23 WF-33
Tryptamines	4-HO-αMT 4-Methyl-αET 4-Methyl-αMT 5-Chloro-αMT 5-Fluoro-αMT 5-MeO-αET 5-MeO-αMT 5-MeO-DIPT 6-Fluoro-αMT 7-Methyl-αET αET αMT
Others	2-MDP 3,3-Diphenylcyclobutanamine Amfonelic acid Amineptine Amiphenazole Atipamezole Atomoxetine Bemegride Benzydamine BTQ BTS 74,398 Centanafadine Ciclazindol Clofenciclan Cropropamide Crotetamide D-161 Desipramine Diclofensine Dimethocaine Efaroxan Etamivan Fenisorex Fenpentadiol Gamfexine Gilutensin GSK1360707F GYKI-52895 Hexacyclonate Idazoxan Indanorex Indatraline JNJ-7925476 Lazabemide Leptacline Lomevactone LR-5182 Mazindol Meclofenoxate Medifoxamine Mefexamide Methamnetamine Methastyridone Methiopropamine Naphthylaminopropane Nefopam Nikethamide Nomifensine O-2172 Oxaprotiline PNU-99,194 PRC200-SS Rasagiline Rauwolscine Rubidium chloride Setazindol Tametraline Tandamine Thiopropamine Thiothinone Trazium UH-232 Yohimbine
ATC code: N06B

Clinical data


ATC code	None
Legal status
Legal status	In general: uncontrolled
Identifiers
IUPAC name 8-Cyclopentyl-1,3-dimethyl-7H-purine-2,6-dione
CAS Number	35873-49-5^Y
PubChem CID	1917
IUPHAR/BPS	385
ChemSpider	1843^Y
UNII	U7PWT4CPL5
ChEBI	CHEBI:109538
ChEMBL	ChEMBL106265^Y
E number	{{#property:P628}}
CompTox Dashboard (EPA)	{{#property:P3117}}Lua error in Module:EditAtWikidata at line 29: attempt to index field 'wikibase' (a nil value).
ECHA InfoCard	{{#property:P2566}}Lua error in Module:EditAtWikidata at line 29: attempt to index field 'wikibase' (a nil value).
Chemical and physical data
Formula	C₁₂H₁₆N₄O₂
Molar mass	248.286 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES Cn3c(=O)c2nc(C1CCCC1)[nH]c2n(C)c3=O
InChI InChI=1S/C12H16N4O2/c1-15-10-8(11(17)16(2)12(15)18)13-9(14-10)7-5-3-4-6-7/h7H,3-6H2,1-2H3,(H,13,14)^Y Key:SCVHFRLUNIOSGI-UHFFFAOYSA-N^Y
(verify)

8-Cyclopentyl-1,3-dimethylxanthine

See also

References

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