CHMFL-PI3KD-317

• CAT Number: I019612
• CAS Number: 2244992-76-3
• Molecular Formula: C21H24ClN5O3S2
• Molecular Weight: 494.03
• Purity: ≥95%
• Synonyms: (2S)-2-amino-N-[5-[6-chloro-5-[(3-methylphenyl)sulfonylamino]pyridin-3-yl]-4-methyl-1,3-thiazol-2-yl]-3-methylbutanamide
• InChI: InChI=1S/C21H24ClN5O3S2/c1-11(2)17(23)20(28)26-21-25-13(4)18(31-21)14-9-16(19(22)24-10-14)27-32(29,30)15-7-5-6-12(3)8-15/h5-11,17,27H,23H2,1-4H3,(H,25,26,28)/t17-/m0/s1
• InChIKey: PIBKKQFQADCDAW-KRWDZBQOSA-N
• SMILES: CC1=CC(=CC=C1)S(=O)(=O)NC2=C(N=CC(=C2)C3=C(N=C(S3)NC(=O)C(C(C)C)N)C)Cl

CHMFL-PI3KD-317 is a highly potent, selective and orally active PI3Kδ inhibitor, with an IC50 of 6 nM, and exhibits over 10-1500 fold selectivity over other class I, II and III PIKK family isoforms, such as PI3Kα (IC50, 62.6 nM), PI3Kβ (IC50, 284 nM), PI3Kγ (IC50, 202.7 nM), PIK3C2A (IC50, >10000 nM), PIK3C2B (IC50, 882.3 nM), VPS34 (IC50, 1801.7 nM), PI4KIIIA (IC50, 574.1 nM) and PI4KIIIB (IC50, 300.2 nM). CHMFL-PI3KD-317 inhibits PI3Kδ-mediated Akt T308 phosphorylation in Raji cells, with an EC50 of 4.3 nM. CHMFL-PI3KD-317 has antiproliferative effects on cancer cells[1].
CHMFL-PI3KD-317 has antiproliferative effects, with GI50s of 3.5 ± 0.8, 4.0 ± 0.9, 4.8 ± 0.2, 3.3 ± 0.2, 3.0 ± 0.4 μM against PF382, NALM-6, MV4-11, MOLM-14 and MOLM-13 cells, respectively[1].
CHMFL-PI3KD-317 (Compound 15i; 25, 50 and 100 mg/kg/day, p.o., for 14 days) inhibits the growth of the MOLM14 tumor in mice[1].
CHMFL-PI3KD-317 shows favorable oral bioavailability and acceptable half-life (T1/2 = 3.28 h) in Sprague-Dawley rats[1].

Reference

[1]. Liang X, et al. Discovery of (S)-2-amino-N-(5-(6-chloro-5-(3-methylphenylsulfonamido)pyridin-3-yl)-4-methylthiazol-2-yl)-3-methylbutanamide (CHMFL-PI3KD-317) as a potent and selective phosphoinositide 3-kinase delta (PI3Kδ) inhibitor. Eur J Med Chem. 2018
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