1374115-60-2

Upstream product

• 1033202-51-5 5-fluoro-3-nitropyridine-2-carbonitrile 
• 884495-03-8 3-amino-2-bromo-5-fluoropyridine 
• 557-21-1 zinc(II) cyanide 

Relevant academic research and scientific papers

NOVEL HETEROCYCLIC COMPOUNDS USEFUL AS AURORA A SELECTIVE INHIBITORS

Provided are compounds of formula (I), or pharmaceutically acceptable salts thereof, which can be used for inhibiting the activity of Aurora A and treating cancer mediated by Aurora A.

Discovery of GS-9688 (Selgantolimod) as a Potent and Selective Oral Toll-Like Receptor 8 Agonist for the Treatment of Chronic Hepatitis B

Toll-like receptor 8 (TLR8) recognizes pathogen-derived single-stranded RNA fragments to trigger innate and adaptive immune responses. Chronic hepatitis B (CHB) is associated with a dysfunctional immune response, and therefore a selective TLR8 agonist may be an effective treatment option. Structure-based optimization of a dual TLR7/8 agonist led to the identification of the selective TLR8 clinical candidate (R)-2-((2-amino-7-fluoropyrido[3,2-d]pyrimidin-4-yl)amino)-2-methylhexan-1-ol (GS-9688, (R)-7). Potent TLR8 agonism (IL-12p40 EC50 = 220 nM) and >100-fold TLR7 selectivity (IFN-α EC50 > 50 μM) was observed in human peripheral blood mononuclear cells (PBMCs). The TLR8-ectodomain:(R)-7 complex confirmed TLR8 binding and a direct ligand interaction with TLR8 residue Asp545. Oral (R)-7 had good absorption and high first pass clearance in preclinical species. A reduction in viral markers was observed in HBV-infected primary human hepatocytes treated with media from PBMCs stimulated with (R)-7, supporting the clinical development of (R)-7 for the treatment of CHB.

PROCESSES FOR PREPARING TOLL-LIKE RECEPTOR MODULATOR COMPOUNDS

The present disclosure provides methods for preparing (7?)-2-((2-amino-7- fluoropyrido[3,2-d]pyrimidin-4-yl)amino)-2-methylhexan-l-ol or a salt thereof and related key intermediates.

COMBINATION OF HEPATITIS B VIRUS (HBV) VACCINES AND PYRIDOPYRIMIDINE DERIVATIVES

Therapeutic combinations of hepatitis B virus (HBV) vaccines and a pyridopyrimidine derivative are described. Methods of inducing an immune response against HBV or treating an HBV-induced disease, particularly in individuals having chronic HBV infection, using the disclosed therapeutic combinations are also described. The invention provides therapeutic combinations or compositions and methods for inducing an immune response against hepatitis B viruses (HBV) infection.

TOLL LIKE RECEPTOR MODULATOR COMPOUNDS

The present disclosure relates generally to toll like receptor modulator compounds, such as diamino pyrido[3,2 D]pyrimidine compounds and pharmaceutical compositions which, among other things, modulate toll-like receptors (e.g. TLR-8), and methods of making and using them.