Description
A PDE4 inhibitor (IC50 = 0.22 µM for the guinea pig eosinophil enzyme); enhances isoprenaline-induced cAMP accumulation in isolated guinea pig eosinophils (EC50 = 0.19 µM); inhibits TNF and INF-γ production in L1402 CD4+ encephalitogenic rat T cells from 1-1,000 µM; inhibits ovalbumin-induced contraction of tracheal rings isolated from ovalbumin-sensitized guinea pigs at 1 µM; inhibits ovalbumin-induced bronchoconstriction in guinea pigs (ED50 = 0.25 mg/kg)
Formal name: (4R)-4-[3-(cyclopentyloxy)-4-methoxyphenyl]-2-pyrrolidinone
Synonyms: (R)-(–)-Rolipram|(R)-Rolipram
Molecular weight: 275.3
CAS: 85416-75-7
Purity: ≥98%
Formulation: A solid