1,2,5-Thiadiazolidin-3-one, 5-[(7R)-1-fluoro-5,6,7,8-tetrahydro-3-hydroxy-7-[(3-methylbutyl)amino]-2-naphthalenyl]-, 1,1-dioxide Chemical Properties

Density 

1.41±0.1 g/cm3(Predicted)

pka

3.39±0.20(Predicted)

form 

Solid

color 

White to light yellow

InChI

InChI=1S/C17H24FN3O4S/c1-10(2)5-6-19-12-4-3-11-7-14(22)17(16(18)13(11)8-12)21-9-15(23)20-26(21,24)25/h7,10,12,19,22H,3-6,8-9H2,1-2H3,(H,20,23)/t12-/m1/s1

InChIKey

DVFCRTGTEXUFIN-GFCCVEGCSA-N

SMILES

S1(=O)(=O)N(C2=C(O)C=C3C(=C2F)C[C@H](NCCC(C)C)CC3)CC(=O)N1

1,2,5-Thiadiazolidin-3-one, 5-[(7R)-1-fluoro-5,6,7,8-tetrahydro-3-hydroxy-7-[(3-methylbutyl)amino]-2-naphthalenyl]-, 1,1-dioxide Usage And Synthesis

Uses

Osunprotafib (ABBV-CLS-484) is a potent PTPN1 and PTPN2 inhibitor with subnanomolar activity. Osunprotafib has antitumor activity, enhances the immune response and increases the sensitivity of tumors to immune-mediated killing[1].

in vivo

References

[1] Philip R. Kym, et al. Protein tyrosine phosphatase inhibitors and methods of use thereof. WO2022056281A1.
[2] Arvin Iracheta-Vellve, et al. Targeting the immune checkpoint PTPN2 with ABBV-CLS-484 inflames the tumor microenvironment and unleashes potent CD8+ T cell immunity. Cancer Res (2022) 82 (12_Supplement): 606.
[3] Christina K, et al. ABBV-CLS-484: An active site PTPN2/N1 inhibitor that augments the immune response and sensitizes tumors to immune-mediated killing. Cancer Res (2022) 82 (12_Supplement): ND06.