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Reposal: Wikis


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Systematic (IUPAC) name
5-bicyclo[3.2.1]oct-2-en-3-yl-5-ethylpyrimidine-2,4,6(1 H,3H,5H)-trione
CAS number 3625-25-0
ATC code N05CA12
PubChem 19254
Chemical data
Formula C 14H18N2O3  
Mol. mass 262.304 g/mol
Synonyms Reposal, 5-Ethyl-5-(bicyclo(3.2.1)octenyl)barbituric acid
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.  ?
Legal status
Routes  ?

Reposal is a barbiturate derivative invented in the 1960s in Denmark. It has sedative, hypnotic and anticonvulsant properties, and was used primarily for the treatment of insomnia.[1][2]


  1. ^ Kessing SV, Tarding F, Thomsen AC. Reposal, A New Hypnotic. (Danish) Ugeskrift for Læger. 1963 Dec 6;125:1735-1741.
  2. ^ Nielsen P, Tarding F. The metabolic fate of 5-(bicyclo-3,2,1,-oct-2-en-2-yl)-5-ethyl barbituric acid, (Reposal). Acta Pharmacologica et Toxicologica (Copenhagen). 1968;26(6):521-30.


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