Open Access Articles- Top Results for 8-Cyclopentyl-1,3-dimethylxanthine


Skeletal formula of 8-CPT
Ball-and-stick model of the 8-CPT molecule
Systematic (IUPAC) name
Clinical data
  • Uncontrolled
35873-49-5 7pxY
PubChem CID 1917
ChemSpider 1843 7pxY
ChEMBL CHEMBL106265 7pxY
Chemical data
Formula C12H16N4O2
248.280 g/mol
 14pxY (what is this?)  (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]

See also


  1. ^ Spealman RD (1988). "Psychomotor stimulant effects of methylxanthines in squirrel monkeys: relation to adenosine antagonism". Psychopharmacology 95 (1): 19–24. PMID 3133696. doi:10.1007/bf00212759. 
  2. ^ Karcz-Kubicha M, Antoniou K, Terasmaa A, Quarta D, Solinas M, Justinova Z, Pezzola A, Reggio R, Müller CE, Fuxe K, Goldberg SR, Popoli P, Ferré S (July 2003). "Involvement of adenosine A1 and A2A receptors in the motor effects of caffeine after its acute and chronic administration". Neuropsychopharmacology 28 (7): 1281–91. PMID 12700682. doi:10.1038/sj.npp.1300167. 

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