2-benzyl-5-ethyl-(6aR,9aS)-1,4,5,8-tetrahydrocyclopenta[4,5]imidazo[2,1-b]purin-4-one

ID: ALA446663

Chembl Id: CHEMBL446663

PubChem CID: 10520799

Max Phase: Preclinical

Molecular Formula: C19H21N5O

Molecular Weight: 335.41

Molecule Type: Small molecule

Associated Items:

Names and Identifiers

Canonical SMILES:  CCN1C(=O)c2[nH]c(Cc3ccccc3)nc2N2C1=N[C@@H]1CCC[C@@H]12

Standard InChI:  InChI=1S/C19H21N5O/c1-2-23-18(25)16-17(24-14-10-6-9-13(14)20-19(23)24)22-15(21-16)11-12-7-4-3-5-8-12/h3-5,7-8,13-14H,2,6,9-11H2,1H3,(H,21,22)/t13-,14+/m1/s1

Standard InChI Key:  PRCYQPWWULRKLG-KGLIPLIRSA-N

Associated Targets(Human)

PDE5A Tclin Phosphodiesterase 5A (5113 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE5A Tclin Phosphodiesterase, PDE1/PDE5 (107 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE5A Tclin Phosphodiesterases; PDE5 & PDE6 (103 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID

Associated Targets(non-human)

PDE1B Phosphodiesterase 1 (205 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE3B Phosphodiesterase 3B (112 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE5A Phosphodiesterase 5A (420 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID

Molecule Features

Natural Product: NoOral: NoChemical Probe: NoParenteral: No
Molecule Type: Small moleculeTopical: NoFirst In Class: NoBlack Box: No
Chirality: NoAvailability: NoProdrug: No

Drug Indications

MESH IDMESH Heading EFO IDsEFO TermsMax Phase for IndicationReferences

Mechanisms of Action

Mechanism of ActionAction Typetarget IDTarget NameTarget TypeTarget OrganismBinding Site NameReferences

Calculated Properties

Molecular Weight: 335.41Molecular Weight (Monoisotopic): 335.1746AlogP: 2.57#Rotatable Bonds: 3
Polar Surface Area: 64.59Molecular Species: NEUTRALHBA: 4HBD: 1
#RO5 Violations: HBA (Lipinski): 6HBD (Lipinski): 1#RO5 Violations (Lipinski):
CX Acidic pKa: 12.92CX Basic pKa: 3.26CX LogP: 2.89CX LogD: 2.89
Aromatic Rings: 2Heavy Atoms: 25QED Weighted: 0.94Np Likeness Score: -0.55

References

1. Pissarnitski DA, Asberom T, Boyle CD, Chackalamannil S, Chintala M, Clader JW, Greenlee WJ, Hu Y, Kurowski S, Myers J, Palamanda J, Stamford AW, Vemulapalli S, Wang Y, Wang P, Wu P, Xu R..  (2004)  SAR development of polycyclic guanine derivatives targeted to the discovery of a selective PDE5 inhibitor for treatment of erectile dysfunction.,  14  (5): [PMID:14980684] [10.1016/j.bmcl.2003.12.027]
2. Ahn HS, Bercovici A, Boykow G, Bronnenkant A, Chackalamannil S, Chow J, Cleven R, Cook J, Czarniecki M, Domalski C, Fawzi A, Green M, Gündes A, Ho G, Laudicina M, Lindo N, Ma K, Manna M, McKittrick B, Mirzai B, Nechuta T, Neustadt B, Puchalski C, Pula K, Zhang H..  (1997)  Potent tetracyclic guanine inhibitors of PDE1 and PDE5 cyclic guanosine monophosphate phosphodiesterases with oral antihypertensive activity.,  40  (14): [PMID:9216839] [10.1021/jm9608467]
3. Boyle CD, Xu R, Asberom T, Chackalamannil S, Clader JW, Greenlee WJ, Guzik H, Hu Y, Hu Z, Lankin CM, Pissarnitski DA, Stamford AW, Wang Y, Skell J, Kurowski S, Vemulapalli S, Palamanda J, Chintala M, Wu P, Myers J, Wang P..  (2005)  Optimization of purine based PDE1/PDE5 inhibitors to a potent and selective PDE5 inhibitor for the treatment of male ED.,  15  (9): [PMID:15837326] [10.1016/j.bmcl.2005.02.083]
4. Mittal A, Paliwal S, Sharma M, Singh A, Sharma S, Yadav D..  (2014)  Pharmacophore based virtual screening, molecular docking and biological evaluation to identify novel PDE5 inhibitors with vasodilatory activity.,  24  (14): [PMID:24856068] [10.1016/j.bmcl.2014.05.004]

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