Chemical Component Summary

Identifiers4-cyano-4-(3-cyclopentyloxy-4-methoxy-phenyl)cyclohexane-1-carboxylic acid
FormulaC20 H25 N O4
Molecular Weight343.42
Isomeric SMILESCOc1ccc(cc1OC2CCCC2)[C@]3(CC[C@@H](CC3)C(O)=O)C#N

Chemical Details

Formal Charge0
Atom Count50
Chiral Atom Count0
Bond Count52
Aromatic Bond Count6

Drug Info: DrugBank

DrugBank IDDB03849 
DescriptionCilomilast (Ariflo, SB-207,499) is a drug which was developed for the treatment of respiratory disorders such as asthma and Chronic Obstructive Pulmonary Disease (COPD). It is orally active and acts as a selective Phosphodiesterase-4 inhibitor. Following four clinical trials, the drug proved to be effective in treating COPD, however it has never been marketed due to a poor side effect profile.
  • cis-4-cyano-4-(3-(cyclopentyloxy)-4-methoxyphenyl)cyclohexanecarboxylic acid
  • Ariflo
  • Cilomilast
IndicationInvestigated for use/treatment in chronic obstructive pulmonary disease (COPD).
  • Acids, Carbocyclic
  • Cyclohexanes
  • Cycloparaffins
  • Enzyme Inhibitors
  • Phosphodiesterase 4 Inhibitors
CAS number153259-65-5

Drug Targets

NameTarget SequencePharmacological ActionActions
cAMP-specific 3',5'-cyclic phosphodiesterase 4DMEAEGSSAPARAGSGEGSDSAGGATLKAPKHLWRHEQHHQYPLRQPQFRL...unknowninhibitor
cAMP-specific 3',5'-cyclic phosphodiesterase 4BMKKSRSVMTVMADDNVKDYFECSLSKSYSSSSNTLGIDLWRGRRCCSGNL...unknowninhibitor
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682