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2D Structure
Also known as: Cpi-444, 1202402-40-1, V81444, Ciforadenant [inn], Cpi444, V-81444
Molecular Formula
C20H21N7O3
Molecular Weight
407.4  g/mol
InChI Key
KURQKNMKCGYWRJ-HNNXBMFYSA-N
FDA UNII
8KFO2187CP

Ciforadenant is a small molecule immune checkpoint inhibitor of the adenosine A2A receptor (ADORA2A) with potential antineoplastic activity. Upon oral administration, ciforadenant binds to adenosine A2A receptors expressed on the surface of immune cells, including T-lymphocytes, natural killer (NK) cells, macrophages and dendritic cells (DCs). This prevents tumor-released adenosine from interacting with the A2A receptors on these key immune surveillance cells, thereby abrogating adenosine-induced immunosuppression in the tumor microenvironment. This may stimulate anti-tumor immune responses, resulting in tumor regression.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
7-(5-methylfuran-2-yl)-3-[[6-[[(3S)-oxolan-3-yl]oxymethyl]pyridin-2-yl]methyl]triazolo[4,5-d]pyrimidin-5-amine
2.1.2 InChI
InChI=1S/C20H21N7O3/c1-12-5-6-16(30-12)17-18-19(24-20(21)23-17)27(26-25-18)9-13-3-2-4-14(22-13)10-29-15-7-8-28-11-15/h2-6,15H,7-11H2,1H3,(H2,21,23,24)/t15-/m0/s1
2.1.3 InChI Key
KURQKNMKCGYWRJ-HNNXBMFYSA-N
2.1.4 Canonical SMILES
CC1=CC=C(O1)C2=C3C(=NC(=N2)N)N(N=N3)CC4=NC(=CC=C4)COC5CCOC5
2.1.5 Isomeric SMILES
CC1=CC=C(O1)C2=C3C(=NC(=N2)N)N(N=N3)CC4=NC(=CC=C4)CO[C@H]5CCOC5
2.2 Other Identifiers
2.2.1 UNII
8KFO2187CP
2.3 Synonyms
2.3.1 MeSH Synonyms

1. (s)-7-(5-methylfuran-2-yl)-3-((6-(((tetrahydrofuran-3-yl)oxy)methyl)pyridin-2-yl)methyl)-3h-(1,2,3)triazolo(4,5-d)pyrimidin-5-amine

2. Cpi-444

2.3.2 Depositor-Supplied Synonyms

1. Cpi-444

2. 1202402-40-1

3. V81444

4. Ciforadenant [inn]

5. Cpi444

6. V-81444

7. Ciforadenant [usan]

8. 8kfo2187cp

9. (s)-7-(5-methylfuran-2-yl)-3-((6-(((tetrahydrofuran-3-yl)oxy)methyl)pyridin-2-yl)methyl)-3h-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine

10. 7-(5-methyl-2-furanyl)-3-[[6-[[[(3s)-tetrahydro-3-furanyl]oxy]methyl]-2-pyridinyl]methyl]-3h-1,2,3-triazolo[4,5-d]pyrimidin-5-amine

11. Ciforadenant (usan)

12. 3h-1,2,3-triazolo(4,5-d)pyrimidin-5-amine, 7-(5-methyl-2-furanyl)-3-((6-((((3s)-tetrahydro-3-furanyl)oxy)methyl)-2-pyridinyl)methyl)-

13. 7-(5-methylfuran-2-yl)-3-[[6-[[(3s)-oxolan-3-yl]oxymethyl]pyridin-2-yl]methyl]triazolo[4,5-d]pyrimidin-5-amine

14. Cpi 444

15. (s)-7-(5-methylfuran-2-yl)-3-((6-(((tetrahydrofuran-3-yl)oxy)methyl)pyridin-2-yl)methyl)-3h-(1,2,3)triazolo(4,5-d)pyrimidin-5-amine

16. Ciforadenant [usan:inn]

17. Unii-8kfo2187cp

18. V 81444

19. Ciforadenant [who-dd]

20. Schembl536782

21. Chembl4297184

22. Gtpl10190

23. Amy16758

24. Bcp20881

25. Ex-a1716

26. Bdbm50553404

27. Nsc801812

28. S6646

29. Who 10767

30. Akos037647889

31. Cs-7627

32. Nsc-801812

33. V81444;triazolo-pyramidine Derivative

34. As-75173

35. Hy-101978

36. D11547

37. A901713

38. (s)-7-(5-methylfuran-2-yl)-3-((6-((tetrahydrofuran-3-yloxy)methyl)pyridin-2-yl)methyl)-3h-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine

39. 3-((6-(((s)-tetrahydrofuran-3-yloxy)methyl)pyridin-2-yl)methyl)-7-(5-methylfuran-2-yl)-3h-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine

40. 7-(5-methylfuran-2-yl)-3-[(6-{[(3s)-oxolan-3-yloxy]methyl}pyridin-2-yl)methyl]-3h-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine

2.4 Create Date
2010-01-11
3 Chemical and Physical Properties
Molecular Weight 407.4 g/mol
Molecular Formula C20H21N7O3
XLogP30.8
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count9
Rotatable Bond Count6
Exact Mass407.17058756 g/mol
Monoisotopic Mass407.17058756 g/mol
Topological Polar Surface Area127 Ų
Heavy Atom Count30
Formal Charge0
Complexity573
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1