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Synthesis of new pyridothienopyrimidinone and pyridothienotriazolopyrimidine derivatives as pim-1 inhibitors

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journal contribution
posted on 2017-11-22, 07:14 authored by Hala B. El-Nassan, Bassem H. Naguib, Engy A. Beshay

Three series of 2-arylpyridothieno[3,2-d]pyrimidin-4-ones 3a–j, pyridothienotriazolopyrimidines 6–8 and 4-imino-pyridothieno[3,2-d]pyrimidines 9a,b were prepared to improve the pim-1 inhibitory activity of the previously reported 2-arylpyridothieno[3,2-d]pyrimidin-4-ones. All the test compounds showed highly potent pim-1 inhibition with IC50 in the range of 0.06–1.76 µM. No significant difference was detected between the pim-1 inhibitory activity of the 4-pyrimidinone and the 4-imino (=NH) or the cyclised triazolopyrimidine derivatives. The most active compounds were tested for their cytotoxic activity on MCF7 and HCT116 and showed potent activity on both the cell lines.

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