Biopolym. Cell. 2017; 33(5):367-378.
Bioorganic Chemistry
Synthesis and biological evaluation of novel amino-substituted derivatives of pyrido[2,3-d]pyrimidine as inhibitors of protein kinase CK2
1Zinchenko A. N., 1Muzychka L. V., 1Smolii O. B., 2Bdzhola V. G., 2Protopopov M. V., 2Yarmoluk S. M.
  1. Institute of Bioorganic Chemistry and Petrochemistry, NAS of Ukraine
    1, Murmans'ka Str., Kyiv, Ukraine, 02094
  2. Institute of Molecular Biology and Genetics, NAS of Ukraine
    150, Akademika Zabolotnoho Str., Kyiv, Ukraine, 03680

Abstract

Aim. A search for human protein kinase CK2 inhibitors in a series of new amino-substituted pyrido[2,3-d]pyrimidine derivatives. Methods. Organic synthesis, analytical and spectral methods, molecular docking, in vitro biochemical testing. Results. Synthesis of new pyrido[2,3-d]pyrimidine derivatives with various aminogroups in positions 4 and 6 of the heterocycle was developed. Two compounds inhibiting kinase CK2 in micromolar concentrations were found among these derivatives. Conclusion. New pyrido[2,3-d]pyrimidin-7-ones containing aminogroups in positions 4 and 6 of heterocyclic system and new 4-amino-substituted pyrido[2,3-d]pyrimidin-7-amine derivatives have been synthesized. The inhibition activity of new pyrido[2,3-d]pyrimidines has been examined and the optimization modes have been suggested. Methyl-2-[(7-aminopyrido[2,3-d]pyrimidine-6-yl)amino]benzoate and N-(4-anilino-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-yl)-3,4-dimethoxy- benzamide were found to inhibit protein kinase CK2 at IC50 of 6 and 19.5 μM, respectively.
Keywords: pyrido[2,3-d]pyrimidine derivatives, synthesis, protein kinase CK2, the inhibition activity

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