Structure-activity relationships of 6-(2,6-dichlorophenyl)-8-methyl-2-(phenylamino)pyrido[2,3-d]pyrimidin-7-ones: toward selective Abl inhibitors.
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Antczak C, Veach DR, Ramirez CN, Minchenko MA, Shum D, Calder PA, Frattini MG, Clarkson B, Djaballah H
Structure-activity relationships of 6-(2,6-dichlorophenyl)-8-methyl-2-(phenylamino)pyrido[2,3-d]pyrimidin-7-ones: toward selective Abl inhibitors.
Bioorg Med Chem Lett. 2009 Dec 15;19(24):6872-6. doi: 10.1016/j.bmcl.2009.10.085. Epub 2009 Oct 23.
- PubMed ID
- 19889540 [ View in PubMed]
- Abstract
We report the design, synthesis, and structure-activity relationship (SAR) of a series of novel pyrido[2,3-d]pyrimidin-7-one compounds as potent Abl kinase inhibitors. We evaluate their specificity profile against a panel of human recombinant kinases, as well as their biological profile toward a panel of well-characterized cancer cell lines. Our study reveals that substitutions in the 3- and 4-positions of the phenylamino moiety lead to improved potency and improved selectivity both in target-based and cell-based assays. Altogether, our results provide an insight into the SAR of pyrido[2,3-d]pyrimidin-7-ones for the development of drug candidates with improved potency and selectivity for the targeted treatment of CML.
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- Binding Properties
Drug Target Property Measurement pH Temperature (°C) PD-166326 Tyrosine-protein kinase ABL1 IC 50 (nM) 2.8 N/A N/A Details