Sovleplenib

• CAT Number: I045094
• CAS Number: 1415792-84-5
• Molecular Formula: C24H30N6O3S
• Molecular Weight: 482.60
• Purity: ≥95%
• Synonyms: 7-[4-(1-methylsulfonylpiperidin-4-yl)phenyl]-N-[[(2S)-morpholin-2-yl]methyl]pyrido[3,4-b]pyrazin-5-amine
• InChI: InChI=1S/C24H30N6O3S/c1-34(31,32)30-11-6-18(7-12-30)17-2-4-19(5-3-17)21-14-22-23(27-9-8-26-22)24(29-21)28-16-20-15-25-10-13-33-20/h2-5,8-9,14,18,20,25H,6-7,10-13,15-16H2,1H3,(H,28,29)/t20-/m0/s1
• InChIKey: NJIAKNWTIVDSDA-FQEVSTJZSA-N
• SMILES: CS(=O)(=O)N1CCC(CC1)C2=CC=C(C=C2)C3=CC4=NC=CN=C4C(=N3)NCC5CNCCO5

Sovleplenib (HMPL-523) is a highly potent, orally available and selective SYK inhibitor with an IC50 of 25 nM. Anti-tumor activity. Sovleplenib can be used for the research of immune thrombocytopenia (ITP)[1].
Sovleplenib (HMPL-523) inhibits SYK, FLT3, KDR, LYN, FGFR2, and AUR A with IC50s of 0.025, 0.063, 0.390, 0.921, 3.214, 3.969 μM, respectively[1].
Sovleplenib (HMPL-523) blocks phosphorylation of BLNK, downstream protein of Syk, in human mantle cell line REC-1 and human plasma cell line ARH-7777 with IC50s of 0.105 µM and 0.173 μM, respectively[2].
Sovleplenib also inhibits cell viability of Ba/F3 Tel-Syk with the IC50 of 0.033 μM[2].
Sovleplenib also increases the apoptotic rate of REC-1 cells[2].
Sovleplenib shows the synergistic activities on killing human diffused large B cell lymphoma (DLBCL) in combination with other drugs such as BTK inhibitor, PI3Kδ inhibitors and Bcl2 family inhibitor[2].
Sovleplenib (HMPL-523) shows anti-tumor activity in vivo. Sovleplenib (100 mg/kg) inhibits tumor growth in REC-1 subcutaneous xenograft model[1].
Sovleplenib (HMPL-523; 100 mg/kg; daily oral administration) shows potent anti-tumor activity in B cell lymphoma REC-1 (TGI: 59%) in Syk dependent xenograft models [2].

Reference

[1]. Su WG, et al. Preparation of pyridopyrazine derivatives for use as Syk inhibitors. WO2012167733 A1.

[2]. Na Yang, et al. HMPL-523, a Novel SYK Inhibitor Showed Anti-Tumor Activities In Vitro and In Vivo. Blood (2016) 128 (22): 3970.